MONITORS · YOUR NEXT FACE-OFF

ViewSonic VP3881a vs ViewSonic VA3820C

Real specs. Clear sources.Exact models · UK & US buying links

Compared products

YOUR FIRST CHOICE

ViewSonic VP3881a

VP3881a · exact VP3881a UK manufacturer catalogue configuration

Full product profile Official image

Exact model & source notes

ViewSonic VP3881a in its exact UK manufacturer catalogue configuration. Compare its native screen grid and stated refresh modes with the actual input restrictions and supplied-stand dimensions.

Specifications checked 17 Oct 2026.

Amazon links open search results. Check the exact variant, current price and availability with the retailer.

Manufacturer specifications

WHAT DIFFERS

60 HzRefresh rate at native resolution75 Hz

Published refresh and input modes6075

90 WUSB-C upstream power delivery96 W

3 of 52 verified differences, in the order listed below. Not a rating.

See the 52 verified differences

THE CONTENDER

ViewSonic VA3820C

VA3820C · exact VA3820C UK manufacturer catalogue configuration

Full product profile Official image

Exact model & source notes

ViewSonic VA3820C in its exact UK manufacturer catalogue configuration. Compare its native screen grid and stated refresh modes with the actual input restrictions and supplied-stand dimensions.

Specifications checked 17 Oct 2026.

Amazon links open search results. Check the exact variant, current price and availability with the retailer.

Manufacturer specifications

VP3881a UK & US retailers

UK & US price history: no verified listing yet

VA3820C UK & US retailers

UK & US price history: no verified listing yet

Search links open retailer results, not a matched listing; eBay listings are checked daily. As an Amazon Associate I earn from qualifying purchases. As an eBay Partner, we may be compensated if you make a purchase.

THE DIFFERENCES, MADE VISIBLE

Visual facts

Differences first. Select a topic for its graphic, sources and conditions.

How to read this comparison

Manufacturer facts for the exact models shown. Not a quality rating or a test result.
“Different” means the known values differ, not that one is better.
Missing or conflicting evidence is marked and never counts as a difference. Source chips hold each fact’s sources and conditions.

SPECIFICATIONS SIDE BY SIDE8 topics

SELECTED TOPIC

01 / 08

Max refresh

Maximum manufacturer-listed refresh rate, not measured motion clarity. The port-specific limits below matter; HDMI and DisplayPort can support different modes.

ViewSonic VP3881a60 Hz

Manufacturer specification · Manufacturer Display · Refresh Rate (Hz): 60. Display refresh row for the separately listed native resolution; source device and connection must support the mode. Input vertical-frequency ranges are not substituted.

Source 1

ViewSonic VA3820C75 Hz

Manufacturer specification · Manufacturer Display · Refresh Rate (Hz): 75. Display refresh row for the separately listed native resolution; source device and connection must support the mode. Input vertical-frequency ranges are not substituted.

Source 1

Explore the full specifications

Match the monitor to the connection. Refresh limits depend on the input, cable and source device. Confirm the exact regional ports, stand adjustment and mount. Manufacturer response-time methods such as MPRT and GtG are different; neither the image nor these figures establish an independent motion or colour-quality test.

WHAT CHANGES BETWEEN THEM?

Key differences

Full specifications ↓

52 verified differences, most decision-relevant first. 7 are also drawn in Visual facts above. Missing information stays separate.

Refresh rate at native resolution

In Visual facts

ViewSonic VP3881a60 Hz

ViewSonic VA3820C75 Hz

Sources

ViewSonic VP3881a

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

ViewSonic VA3820C — official UK technical specifications

Check the exact configuration and source conditions for your use.

Published refresh and input modes

In Visual facts

ViewSonic VP3881a60

ViewSonic VA3820C75

Sources

ViewSonic VP3881a

Manufacturer specification · Manufacturer Display · Refresh Rate (Hz): 60. Exact connection/mode wording. No refresh at a different resolution, overclock mode or input-frequency range is silently combined with the native grid.

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

Manufacturer specification · Manufacturer Display · Refresh Rate (Hz): 75. Exact connection/mode wording. No refresh at a different resolution, overclock mode or input-frequency range is silently combined with the native grid.

ViewSonic VA3820C — official UK technical specifications

Check the exact input, signal mode, source and cable. A connector version or supported timing does not guarantee every console mode, VRR setting or game frame rate.

Inputs, connections and versions

In Visual facts

ViewSonic VP3881a2 × USB 3.2 Type A Down Stream; 1 × USB 3.2 Type B Up Stream; USB 3.2 Type C Up Stream; DisplayPort Alt mode (1 (90W power charger)); 1 × 3.5mm Audio Out; 2 × HDMI 2.0 (with HDCP 2.2); 1 × DisplayPort; Power in (DC Socket (4 Pin)); 1 × Ethernet LAN (RJ45)

ViewSonic VA3820C2 × USB 3.2 Type A Down Stream (USB 2.0 Bandwidth); 1 × USB 3.2 Type B Up Stream; USB 3.2 Type C Up Stream; DisplayPort Alt mode (1 (96W power charger)); 1 × 3.5mm Audio Out; 2 × HDMI 2.1; 1 × DisplayPort; Power in (DC Socket (Center Positive))

Sources

ViewSonic VP3881a

Manufacturer specification · Exact manufacturer connector counts, versions, direction, data-only limitations and stated charging scope. USB-C presence does not establish video, upstream host charging, full bandwidth or compatibility. Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. Source field: USB 3.2 Type A Down Stream. Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. Source field: USB 3.2 Type B Up Stream. Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. Source field: USB 3.2 Type C Up Stream; DisplayPort Alt mode. Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. Source field: 3.5mm Audio Out. Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. Source field: HDMI 2.0 (with HDCP 2.2). Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. Source field: DisplayPort. Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. Source field: Power in. Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. Source field: Ethernet LAN (RJ45).

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

Manufacturer specification · Exact manufacturer connector counts, versions, direction, data-only limitations and stated charging scope. USB-C presence does not establish video, upstream host charging, full bandwidth or compatibility. Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. Source field: USB 3.2 Type A Down Stream (USB 2.0 Bandwidth). Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. Source field: USB 3.2 Type B Up Stream. Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. Source field: USB 3.2 Type C Up Stream; DisplayPort Alt mode. Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. Source field: 3.5mm Audio Out. Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. Source field: HDMI 2.1. Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. Source field: DisplayPort. Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. Source field: Power in.

ViewSonic VA3820C — official UK technical specifications

Check the exact configuration and source conditions for your use.

USB-C upstream power delivery

In Visual facts

ViewSonic VP3881a90 W

ViewSonic VA3820C96 W

Sources

ViewSonic VP3881a

Manufacturer specification · Manufacturer Connector · USB 3.2 Type C Up Stream; DisplayPort Alt mode : 1 (90W power charger). Explicit upstream host-charging claim; downstream15W/data-only charging is not a host power-delivery rating.

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

Manufacturer specification · Manufacturer Connector · USB 3.2 Type C Up Stream; DisplayPort Alt mode : 1 (96W power charger). Explicit upstream host-charging claim; downstream15W/data-only charging is not a host power-delivery rating.

ViewSonic VA3820C — official UK technical specifications

This is charging power available to a compatible connected device, not the monitor’s electricity consumption. Check the device, cable and any shared-power restrictions.

Published speaker rating

In Visual facts

ViewSonic VP3881a5Watts x2

ViewSonic VA3820C2.5Watts x2

Sources

ViewSonic VP3881a

Manufacturer specification · Manufacturer Audio · Internal Speakers: 5Watts x2. Original measurement and configuration scope retained.

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

Manufacturer specification · Manufacturer Audio · Internal Speakers: 2.5Watts x2. Original measurement and configuration scope retained.

ViewSonic VA3820C — official UK technical specifications

Check the actual speakers and audio connectors. Speaker wattage is not measured loudness or sound quality, and a line input is not a headphone output.

Published colour gamut

In Visual facts

ViewSonic VP3881aAdobe RGB: 97% size / 86% coverage (Typ) DCI-P3: 96% size / 94% coverage (Typ) EBU: 129% size / 100% coverage (Typ) REC709: 131% size / 100% coverage (Typ) SMPTE-C: 141% size / 100% coverage (Typ) NTSC: 92% size (Typ) sRGB: 131% size / 100% coverage (Typ)

ViewSonic VA3820CDCI-P3: 98% size (Typ) NTSC: 95% size (Typ) sRGB: 134% size / 100% coverage (Typ)

Sources

ViewSonic VP3881a

Manufacturer specification · Manufacturer Display · Color Gamut: Adobe RGB: 97% size / 86% coverage (Typ) DCI-P3: 96% size / 94% coverage (Typ) EBU: 129% size / 100% coverage (Typ) REC709: 131% size / 100% coverage (Typ) SMPTE-C: 141% size / 100% coverage (Typ) NTSC: 92% size (Typ) sRGB: 131% size / 100% coverage (Typ). Original measurement and configuration scope retained.

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

Manufacturer specification · Manufacturer Display · Color Gamut: DCI-P3: 98% size (Typ) NTSC: 95% size (Typ) sRGB: 134% size / 100% coverage (Typ). Original measurement and configuration scope retained.

ViewSonic VA3820C — official UK technical specifications

Check the exact configuration and source conditions for your use.

Show 46 more verified differences

Static contrast ratio

ViewSonic VP3881a1,000:1 (typ)

ViewSonic VA3820C2,000:1 (typ)

Sources

ViewSonic VP3881a

Manufacturer specification · Manufacturer Display · Static Contrast Ratio: 1,000:1 (typ). Original measurement and configuration scope retained.

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

Manufacturer specification · Manufacturer Display · Static Contrast Ratio: 2,000:1 (typ). Original measurement and configuration scope retained.

ViewSonic VA3820C — official UK technical specifications

Check the exact configuration and source conditions for your use.

Dynamic contrast claim

ViewSonic VP3881a20M:1

ViewSonic VA3820C50M:1

Sources

ViewSonic VP3881a

Manufacturer specification · Manufacturer Display · Dynamic Contrast Ratio: 20M:1. Original measurement and configuration scope retained.

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

Manufacturer specification · Manufacturer Display · Dynamic Contrast Ratio: 50M:1. Original measurement and configuration scope retained.

ViewSonic VA3820C — official UK technical specifications

Check the exact configuration and source conditions for your use.

Included accessories and regional scope

ViewSonic VP3881aVP3881A x1, 3-pin Plug (IEC C13 / CEE22) x1, DisplayPort Cable (v1.2; Male-Male) x1, HDMI Cable (v2.0; Male-Male) x1, USB Type-C Cable (Male-Male) x1, USB A/B Cable (v3.2; Male-Male) x1, AC/DC Adapter x1, Quick Start Guide x1

ViewSonic VA3820CVA3820C x1, 3-pin Plug (IEC C13 / CEE22) x1, HDMI Cable (v2.0; Male-Male) x1, DisplayPort Cable (v1.4; Male-Male) x1, USB Type-C Cable (Male-Male) x1, USB A/B Cable (v3.2; Male-Male) x1, AC/DC Adapter x1, Quick Start Guide x1

Sources

ViewSonic VP3881a

Manufacturer specification · Manufacturer General · PACKAGE CONTENTS: VP3881A x1, 3-pin Plug (IEC C13 / CEE22) x1, DisplayPort Cable (v1.2; Male-Male) x1, HDMI Cable (v2.0; Male-Male) x1, USB Type-C Cable (Male-Male) x1, USB A/B Cable (v3.2; Male-Male) x1, AC/DC Adapter x1, Quick Start Guide x1. Original measurement and configuration scope retained.

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

Manufacturer specification · Manufacturer General · PACKAGE CONTENTS: VA3820C x1, 3-pin Plug (IEC C13 / CEE22) x1, HDMI Cable (v2.0; Male-Male) x1, DisplayPort Cable (v1.4; Male-Male) x1, USB Type-C Cable (Male-Male) x1, USB A/B Cable (v3.2; Male-Male) x1, AC/DC Adapter x1, Quick Start Guide x1. Original measurement and configuration scope retained.

ViewSonic VA3820C — official UK technical specifications

Check the exact configuration and source conditions for your use.

Typical power consumption

ViewSonic VP3881a52 W

ViewSonic VA3820C32 W

Sources

ViewSonic VP3881a

Manufacturer specification · Manufacturer Power · Consumption (typical): 52W. Manufacturer typical/normal operating claim; HDR, maximum, standby and eco modes remain separate.

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

Manufacturer specification · Manufacturer Power · Consumption (typical): 32W. Manufacturer typical/normal operating claim; HDR, maximum, standby and eco modes remain separate.

ViewSonic VA3820C — official UK technical specifications

Check the exact configuration and source conditions for your use.

Internal Speakers

ViewSonic VP3881a5Watts x2

ViewSonic VA3820C2.5Watts x2

Sources

ViewSonic VP3881a

Manufacturer specification · Manufacturer section Audio. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability.

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

ViewSonic VA3820C — official UK technical specifications

Check the exact configuration and source conditions for your use.

PC Operating System

ViewSonic VP3881aWindows 11 certified; macOS tested

ViewSonic VA3820CWindows 10/11 certified; macOS tested

Sources

ViewSonic VP3881a

Manufacturer specification · Manufacturer section Compatibility. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability.

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

ViewSonic VA3820C — official UK technical specifications

Check the exact configuration and source conditions for your use.

Power in

ViewSonic VP3881aDC Socket (4 Pin)

ViewSonic VA3820CDC Socket (Center Positive)

Sources

ViewSonic VP3881a

Manufacturer specification · Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability.

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

ViewSonic VA3820C — official UK technical specifications

Check the exact configuration and source conditions for your use.

USB 3.2 Type C Up Stream; DisplayPort Alt mode

ViewSonic VP3881a1 (90W power charger)

ViewSonic VA3820C1 (96W power charger)

Sources

ViewSonic VP3881a

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

ViewSonic VA3820C — official UK technical specifications

Check the exact configuration and source conditions for your use.

Physical Controls

ViewSonic VP3881aKey 1, Key 2, Key 3, Key 4, Key 5, Key 6 (power)

ViewSonic VA3820CM, Right, Left, E, Power

Sources

ViewSonic VP3881a

Manufacturer specification · Manufacturer section Controls. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability.

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

ViewSonic VA3820C — official UK technical specifications

Check the exact configuration and source conditions for your use.

Packaging (in.)

ViewSonic VP3881a41.2 x 23.2 x 14.8

ViewSonic VA3820C45.3 x 20.7 x 7.5

Sources

ViewSonic VP3881a

Manufacturer specification · Manufacturer section Dimensions (imperial) (wxhxd). Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability.

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

ViewSonic VA3820C — official UK technical specifications

A size or weight trade-off; it does not establish the better product.

Physical (in.)

ViewSonic VP3881a35.3 x 19.65–24.77 x 11.8

ViewSonic VA3820C35.33 x 18.07–23.18 x 9.36

Sources

ViewSonic VP3881a

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

ViewSonic VA3820C — official UK technical specifications

A size or weight trade-off; it does not establish the better product.

Physical Without Stand (in.)

ViewSonic VP3881a35.3 x 15.7 x 4.1

ViewSonic VA3820C35.33 x 15.69 x 4.17

Sources

ViewSonic VP3881a

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

ViewSonic VA3820C — official UK technical specifications

A size or weight trade-off; it does not establish the better product.

Packaging (mm)

ViewSonic VP3881a1046 x 590 x 375

ViewSonic VA3820C1150 x 525 x 190

Sources

ViewSonic VP3881a

Manufacturer specification · Manufacturer section Dimensions (metric) (wxhxd). Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability.

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

ViewSonic VA3820C — official UK technical specifications

A size or weight trade-off; it does not establish the better product.

Physical (mm)

ViewSonic VP3881a896 x 499.24–629.24 x 299

ViewSonic VA3820C897.5 x 459–589 x 237.8

Sources

ViewSonic VP3881a

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

ViewSonic VA3820C — official UK technical specifications

A size or weight trade-off; it does not establish the better product.

Physical Without Stand (mm)

ViewSonic VP3881a896 x 398 x 103

ViewSonic VA3820C897.5 x 398.5 x 105.9

Sources

ViewSonic VP3881a

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

ViewSonic VA3820C — official UK technical specifications

A size or weight trade-off; it does not establish the better product.

Color Gamut

ViewSonic VA3820CDCI-P3: 98% size (Typ) NTSC: 95% size (Typ) sRGB: 134% size / 100% coverage (Typ)

Sources

ViewSonic VP3881a

Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability.

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

ViewSonic VA3820C — official UK technical specifications

Check the exact configuration and source conditions for your use.

Dynamic Contrast Ratio

ViewSonic VP3881a20M:1

ViewSonic VA3820C50M:1

Sources

ViewSonic VP3881a

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

ViewSonic VA3820C — official UK technical specifications

Check the exact configuration and source conditions for your use.

Refresh Rate (Hz)

ViewSonic VP3881a60

ViewSonic VA3820C75

Sources

ViewSonic VP3881a

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

ViewSonic VA3820C — official UK technical specifications

Check the exact configuration and source conditions for your use.

Response Time (GTG w/OD)

ViewSonic VP3881a5ms

ViewSonic VA3820C4.785ms

Sources

ViewSonic VP3881a

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

ViewSonic VA3820C — official UK technical specifications

Check the exact configuration and source conditions for your use.

Static Contrast Ratio

ViewSonic VP3881a1,000:1 (typ)

ViewSonic VA3820C2,000:1 (typ)

Sources

ViewSonic VP3881a

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

ViewSonic VA3820C — official UK technical specifications

Check the exact configuration and source conditions for your use.

Swivel

ViewSonic VP3881a120º

ViewSonic VA3820C60º

Sources

ViewSonic VP3881a

Manufacturer specification · Manufacturer section Ergonomics. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability.

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

ViewSonic VA3820C — official UK technical specifications

Check the exact configuration and source conditions for your use.

Tilt (Forward/Back)

ViewSonic VP3881a-1º / 21º

ViewSonic VA3820C-5º / 15º

Sources

ViewSonic VP3881a

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

ViewSonic VA3820C — official UK technical specifications

Check the exact configuration and source conditions for your use.

PACKAGE CONTENTS

Sources

ViewSonic VP3881a

Manufacturer specification · Manufacturer section General. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability.

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

ViewSonic VA3820C — official UK technical specifications

Check the exact configuration and source conditions for your use.

Power Management

ViewSonic VP3881aEnergy Star standards, EPEAT

ViewSonic VA3820CEnergy Star standards

Sources

ViewSonic VP3881a

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

ViewSonic VA3820C — official UK technical specifications

Check the exact configuration and source conditions for your use.

Regulations

ViewSonic VP3881acTUVus, FCC-B, ICES003, Energy Star, EPEAT, CEC, NRCan, MX-CoC, Mexico Energy, CE, CE EMC, CB, RoHS, ErP, REACH, WEEE, EAC, UkrSEPRO

ViewSonic VA3820CEnergy Star, CE, CE EMC, CB, RoHS, ErP, REACH, WEEE, EAC, UkrSEPRO, RCM

Sources

ViewSonic VP3881a

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

ViewSonic VA3820C — official UK technical specifications

Check the exact configuration and source conditions for your use.

Frequency Horizontal

ViewSonic VP3881a15 ~ 135KHz

ViewSonic VA3820CHDMI (v2.1): 15 ~ 222KHz, DisplayPort (v1.4): 15 ~ 222KHz, Type C: 15 ~ 222KHz

Sources

ViewSonic VP3881a

Manufacturer specification · Manufacturer section Input Signal. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability.

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

ViewSonic VA3820C — official UK technical specifications

Check the exact configuration and source conditions for your use.

Frequency Vertical

ViewSonic VP3881a24 ~ 75Hz

ViewSonic VA3820CHDMI (v2.1): 30 ~ 75Hz, DisplayPort (v1.4): 48 ~ 75Hz, Type C: 48 ~ 75Hz

Sources

ViewSonic VP3881a

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

ViewSonic VA3820C — official UK technical specifications

Check the exact configuration and source conditions for your use.

Consumption (max)

ViewSonic VP3881a56W

ViewSonic VA3820C39W

Sources

ViewSonic VP3881a

Manufacturer specification · Manufacturer section Power. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability.

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

ViewSonic VA3820C — official UK technical specifications

Check the exact configuration and source conditions for your use.

Consumption (typical)

ViewSonic VP3881a52W

ViewSonic VA3820C32W

Sources

ViewSonic VP3881a

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

ViewSonic VA3820C — official UK technical specifications

Check the exact configuration and source conditions for your use.

Eco Mode (Conserve)

ViewSonic VP3881a36W

ViewSonic VA3820C26W

Sources

ViewSonic VP3881a

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

ViewSonic VA3820C — official UK technical specifications

Check the exact configuration and source conditions for your use.

Eco Mode (optimized)

ViewSonic VP3881a41W

ViewSonic VA3820C29W

Sources

ViewSonic VP3881a

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

ViewSonic VA3820C — official UK technical specifications

Check the exact configuration and source conditions for your use.

Digital Sync

ViewSonic VP3881aPCI-E - DisplayPort (v1.4), TMDS - HDMI (v2.0), Micro-Packet - Type C

ViewSonic VA3820CFRL - HDMI (v2.1), Micro-Packet - DisplayPort (v1.4), Micro-Packet - Type C

Sources

ViewSonic VP3881a

Manufacturer specification · Manufacturer section Video Input. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability.

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

ViewSonic VA3820C — official UK technical specifications

Check the exact configuration and source conditions for your use.

Gross (lbs)

ViewSonic VP3881a41.8

ViewSonic VA3820C29.3

Sources

ViewSonic VP3881a

Manufacturer specification · Manufacturer section Weight (imperial). Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability.

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

ViewSonic VA3820C — official UK technical specifications

A size or weight trade-off; it does not establish the better product.

Net (lbs)

ViewSonic VP3881a27.7

ViewSonic VA3820C20.7

Sources

ViewSonic VP3881a

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

ViewSonic VA3820C — official UK technical specifications

A size or weight trade-off; it does not establish the better product.

Net Without Stand (lbs)

ViewSonic VP3881a17.4

ViewSonic VA3820C15.9

Sources

ViewSonic VP3881a

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

ViewSonic VA3820C — official UK technical specifications

A size or weight trade-off; it does not establish the better product.

Gross (kg)

ViewSonic VP3881a18.9

ViewSonic VA3820C13.3

Sources

ViewSonic VP3881a

Manufacturer specification · Manufacturer section Weight (metric). Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability.

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

ViewSonic VA3820C — official UK technical specifications

A size or weight trade-off; it does not establish the better product.

Net (kg)

ViewSonic VP3881a12.6

ViewSonic VA3820C9.4

Sources

ViewSonic VP3881a

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

ViewSonic VA3820C — official UK technical specifications

A size or weight trade-off; it does not establish the better product.

Net Without Stand (kg)

ViewSonic VP3881a7.9

ViewSonic VA3820C7.2

Sources

ViewSonic VP3881a

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

ViewSonic VA3820C — official UK technical specifications

A size or weight trade-off; it does not establish the better product.

Response time and measurement basis

ViewSonic VP3881a5ms (GTG); 5ms (GTG)

ViewSonic VA3820C4.785ms (GTG)

Sources

ViewSonic VP3881a

Manufacturer specification · Original response method, typical/minimum and overdrive qualifications remain separate; no measured latency is implied. Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. Source field: Response Time (Typical GTG). Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. Source field: Response Time (GTG w/OD).

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

ViewSonic VA3820C — official UK technical specifications

Check the exact configuration and source conditions for your use.

Depth with supplied stand

In Visual facts

ViewSonic VP3881a299 mm

ViewSonic VA3820C237.8 mm

Sources

ViewSonic VP3881a

Manufacturer specification · Manufacturer Dimensions (metric) (wxhxd) · Physical (mm): 896 x 499.24~629.24 x 299. Component of the exact supplied-stand dimension tuple, in the original stated axis order. Allow room for cables and movement.

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

Manufacturer specification · Manufacturer Dimensions (metric) (wxhxd) · Physical (mm): 897.5 x 459~589 x 237.8. Component of the exact supplied-stand dimension tuple, in the original stated axis order. Allow room for cables and movement.

ViewSonic VA3820C — official UK technical specifications

A size or weight trade-off; it does not establish the better product.

Published swivel angles

ViewSonic VP3881a120º

ViewSonic VA3820C60º

Sources

ViewSonic VP3881a

Manufacturer specification · Manufacturer Ergonomics · Swivel: 120º. Original measurement and configuration scope retained.

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

Manufacturer specification · Manufacturer Ergonomics · Swivel: 60º. Original measurement and configuration scope retained.

ViewSonic VA3820C — official UK technical specifications

Check the exact configuration and source conditions for your use.

Published stand tilt

ViewSonic VP3881a-1º / 21º

ViewSonic VA3820C-5º / 15º

Sources

ViewSonic VP3881a

Manufacturer specification · Manufacturer Ergonomics · Tilt (Forward/Back): -1º / 21º. Original measurement and configuration scope retained.

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

Manufacturer specification · Manufacturer Ergonomics · Tilt (Forward/Back): -5º / 15º. Original measurement and configuration scope retained.

ViewSonic VA3820C — official UK technical specifications

Check the exact configuration and source conditions for your use.

Weight without stand

ViewSonic VP3881a7.9 kg

ViewSonic VA3820C7.2 kg

Sources

ViewSonic VP3881a

Manufacturer specification · Manufacturer Weight (metric) · Net Without Stand (kg): 7.9. Monitor without supplied base/stand; net with-stand and packaging masses are separate.

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

Manufacturer specification · Manufacturer Weight (metric) · Net Without Stand (kg): 7.2. Monitor without supplied base/stand; net with-stand and packaging masses are separate.

ViewSonic VA3820C — official UK technical specifications

A size or weight trade-off; it does not establish the better product.

Dimensions and stand configuration

ViewSonic VP3881a896 x 499.24–629.24 x 299 mm (width × height × depth, with supplied stand)

ViewSonic VA3820C897.5 x 459–589 x 237.8 mm (width × height × depth, with supplied stand)

Sources

ViewSonic VP3881a

Manufacturer specification · Manufacturer Dimensions (metric) (wxhxd) · Physical (mm): 896 x 499.24~629.24 x 299. Supplied-stand configuration. The source lists without-base/without-stand figures separately. All original axis order and height ranges are retained; packaging dimensions are not substituted.

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

Manufacturer specification · Manufacturer Dimensions (metric) (wxhxd) · Physical (mm): 897.5 x 459~589 x 237.8. Supplied-stand configuration. The source lists without-base/without-stand figures separately. All original axis order and height ranges are retained; packaging dimensions are not substituted.

ViewSonic VA3820C — official UK technical specifications

A size or weight trade-off; it does not establish the better product.

Dimensions without stand

ViewSonic VP3881a896 x 398 x 103 mm (width × height × depth, without stand)

ViewSonic VA3820C897.5 x 398.5 x 105.9 mm (width × height × depth, without stand)

Sources

ViewSonic VP3881a

Manufacturer specification · Manufacturer Dimensions (metric) (wxhxd) · Physical Without Stand (mm): 896 x 398 x 103. Original measurement and configuration scope retained.

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

Manufacturer specification · Manufacturer Dimensions (metric) (wxhxd) · Physical Without Stand (mm): 897.5 x 398.5 x 105.9. Original measurement and configuration scope retained.

ViewSonic VA3820C — official UK technical specifications

A size or weight trade-off; it does not establish the better product.

Weight with supplied stand

ViewSonic VP3881a12.6 kg

ViewSonic VA3820C9.4 kg

Sources

ViewSonic VP3881a

Manufacturer specification · Manufacturer Weight (metric) · Net (kg): 12.6. Net monitor with supplied stand; separately listed without-stand and gross/packaging figures remain distinct.

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

Manufacturer specification · Manufacturer Weight (metric) · Net (kg): 9.4. Net monitor with supplied stand; separately listed without-stand and gross/packaging figures remain distinct.

ViewSonic VA3820C — official UK technical specifications

A size or weight trade-off; it does not establish the better product.

Small physical differences (1)

Published physical width

ViewSonic VP3881a896 mm

ViewSonic VA3820C897.5 mm

Sources

ViewSonic VP3881a

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

ViewSonic VA3820C — official UK technical specifications

A size or weight trade-off; it does not establish the better product.

Missing or non-comparable evidence (17)

Variable refresh support

ViewSonic VP3881aNot verified

ViewSonic VA3820CYes

Sources

ViewSonic VP3881a

Not separately established by these manufacturer specification rows. An omitted or inapplicable row does not establish absence. · Manufacturer specification

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

Manufacturer specification · Manufacturer Display · Variable Refresh Rate Technology: Yes. Explicit manufacturer VRR/sync claim. Exact branding, input/mode restrictions and certification status remain as published; no external validation is invented.

ViewSonic VA3820C — official UK technical specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Sync technology

ViewSonic VP3881aNot verified

ViewSonic VA3820CVariable Refresh Rate Technology (yes)

Sources

ViewSonic VP3881a

No source recorded for this side.

ViewSonic VA3820C

Manufacturer specification · Literal source-listed sync technology; absence of another family is unknown. Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. Source field: Variable Refresh Rate Technology.

ViewSonic VA3820C — official UK technical specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Stand pivot

ViewSonic VP3881aNot verified

ViewSonic VA3820CNot verified

Sources

ViewSonic VP3881a

Not separately established by these manufacturer specification rows. An omitted or inapplicable row does not establish absence. · Manufacturer specification

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

Not separately established by these manufacturer specification rows. An omitted or inapplicable row does not establish absence. · Manufacturer specification

ViewSonic VA3820C — official UK technical specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Hardware low-blue-light solution

ViewSonic VP3881aNot verified

ViewSonic VA3820CNot verified

Sources

ViewSonic VP3881a

Not separately established by these manufacturer specification rows. An omitted or inapplicable row does not establish absence. · Manufacturer specification

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

Not separately established by these manufacturer specification rows. An omitted or inapplicable row does not establish absence. · Manufacturer specification

ViewSonic VA3820C — official UK technical specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Low-blue-light implementation

ViewSonic VP3881aNot verified

ViewSonic VA3820CHardware and software solution

Sources

ViewSonic VP3881a

No source recorded for this side.

ViewSonic VA3820C

Manufacturer specification · Manufacturer Display · Low Blue Light: Hardware and software solution. Original measurement and configuration scope retained.

ViewSonic VA3820C — official UK technical specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Cable Organization

ViewSonic VP3881aYes

ViewSonic VA3820CNot verified

Sources

ViewSonic VP3881a

Manufacturer specification · Manufacturer section Additional Hardware. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability.

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Ethernet LAN (RJ45)

ViewSonic VP3881a1

ViewSonic VA3820CNot verified

Sources

ViewSonic VP3881a

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

USB 3.2 Type A Down Stream

ViewSonic VP3881a2

ViewSonic VA3820CNot verified

Sources

ViewSonic VP3881a

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

USB 3.2 Type A Down Stream (USB 2.0 Bandwidth)

ViewSonic VP3881aNot verified

ViewSonic VA3820C2

Sources

ViewSonic VP3881a

No source recorded for this side.

ViewSonic VA3820C

ViewSonic VA3820C — official UK technical specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Blue Light Filter

ViewSonic VP3881aYes

ViewSonic VA3820CNot verified

Sources

ViewSonic VP3881a

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Glass Hardness

ViewSonic VP3881aNot verified

ViewSonic VA3820C3H

Sources

ViewSonic VP3881a

No source recorded for this side.

ViewSonic VA3820C

ViewSonic VA3820C — official UK technical specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Low Blue Light

ViewSonic VP3881aNot verified

ViewSonic VA3820CHardware and software solution

Sources

ViewSonic VP3881a

No source recorded for this side.

ViewSonic VA3820C

ViewSonic VA3820C — official UK technical specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Response Time (Typical GTG)

ViewSonic VP3881a5ms

ViewSonic VA3820CNot verified

Sources

ViewSonic VP3881a

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Variable Refresh Rate Technology

ViewSonic VP3881aNot verified

ViewSonic VA3820CYes

Sources

ViewSonic VP3881a

No source recorded for this side.

ViewSonic VA3820C

ViewSonic VA3820C — official UK technical specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Published grey-to-grey response

ViewSonic VP3881a5 ms

ViewSonic VA3820CNot verified

Sources

ViewSonic VP3881a

Manufacturer specification · Manufacturer Display · Response Time (Typical GTG): 5ms. Manufacturer grey-to-grey response claim; overdrive/minimum/MPRT figures remain separate.

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

HDMI 2.0 (with HDCP 2.2)

ViewSonic VP3881a2

ViewSonic VA3820CNot verified

Sources

ViewSonic VP3881a

ViewSonic VP3881a — official UK technical specifications

ViewSonic VA3820C

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

HDMI 2.1

ViewSonic VP3881aNot verified

ViewSonic VA3820C2

Sources

ViewSonic VP3881a

No source recorded for this side.

ViewSonic VA3820C

ViewSonic VA3820C — official UK technical specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

55 shared fields have the same recorded value.

WHAT EACH CHOICE ASKS OF YOU

What it brings and what to check

ViewSonic VP3881a

What it brings

The manufacturer publishes exact-model screen, connector and stand specifications. Use the actual diagonal and full input/mode conditions to match the display to your desk and source device.
Manufacturer source

What to check

Manufacturer brightness, response and colour claims are not independent measurements or a picture-quality verdict. USB-C, HDR and variable-refresh wording must be read with the listed direction, signal and mode restrictions; unknown support stays unknown.
Manufacturer source

ViewSonic VA3820C

What it brings

The manufacturer publishes exact-model screen, connector and stand specifications. Use the actual diagonal and full input/mode conditions to match the display to your desk and source device.
Manufacturer source

What to check

Manufacturer brightness, response and colour claims are not independent measurements or a picture-quality verdict. USB-C, HDR and variable-refresh wording must be read with the listed direction, signal and mode restrictions; unknown support stays unknown.
Manufacturer source

COMPARE THE DETAILS

Full specifications

How we verify

Differences only

125 of 125 specifications Sources in each row

Source-backed specifications for ViewSonic VP3881a and ViewSonic VA3820C
Specification	ViewSonic VP3881a	ViewSonic VA3820C

Viewable screen diagonal Sources ViewSonic VP3881a Manufacturer specification · Manufacturer Display · Viewable Area (in.): 37.5. Actual viewable diagonal; rounded catalogue marketing size stays separate. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer Display · Viewable Area (in.): 37.5. Actual viewable diagonal; rounded catalogue marketing size stays separate. ViewSonic VA3820C — official UK technical specifications	37.5 in	37.5 in
Native resolution Sources ViewSonic VP3881a Manufacturer specification · Manufacturer Display · Resolution: 3840 x 1600. Original measurement and configuration scope retained. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer Display · Resolution: 3840 x 1600. Original measurement and configuration scope retained. ViewSonic VA3820C — official UK technical specifications	3840 × 1600	3840 × 1600
Panel technology Sources ViewSonic VP3881a Manufacturer specification · Manufacturer Display · Panel Type: IPS Technology. Original measurement and configuration scope retained. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer Display · Panel Type: IPS Technology. Original measurement and configuration scope retained. ViewSonic VA3820C — official UK technical specifications	IPS Technology	IPS Technology
Typical SDR brightness Sources ViewSonic VP3881a Manufacturer specification · Manufacturer Display · Brightness: 300 cd/m² (typ). Manufacturer typical brightness claim, separate from peak HDR modes and independent measurements. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer Display · Brightness: 300 cd/m² (typ). Manufacturer typical brightness claim, separate from peak HDR modes and independent measurements. ViewSonic VA3820C — official UK technical specifications	300 nits	300 nits
HDR signal support and certification Sources ViewSonic VP3881a Manufacturer specification · Manufacturer Display · High Dynamic Range: HDR10. Original measurement and configuration scope retained. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer Display · High Dynamic Range: HDR10. Original measurement and configuration scope retained. ViewSonic VA3820C — official UK technical specifications	HDR10	HDR10
Panel surface treatment Sources ViewSonic VP3881a Manufacturer specification · Manufacturer Display · Surface Treatment: Anti-Glare, Hard Coating (3H). Original measurement and configuration scope retained. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer Display · Surface Treatment: Anti-Glare, Hard Coating (3H). Original measurement and configuration scope retained. ViewSonic VA3820C — official UK technical specifications	Anti-Glare, Hard Coating (3H)	Anti-Glare, Hard Coating (3H)
Colour depth and FRC Sources ViewSonic VP3881a Manufacturer specification · Manufacturer Display · Color Space Support: 10 bit (8 bit + A-FRC). Original measurement and configuration scope retained. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer Display · Color Space Support: 10 bit (8 bit + A-FRC). Original measurement and configuration scope retained. ViewSonic VA3820C — official UK technical specifications	10 bit (8 bit + A-FRC)	10 bit (8 bit + A-FRC)
Published colour gamutDifferent Sources ViewSonic VP3881a Manufacturer specification · Manufacturer Display · Color Gamut: Adobe RGB: 97% size / 86% coverage (Typ) DCI-P3: 96% size / 94% coverage (Typ) EBU: 129% size / 100% coverage (Typ) REC709: 131% size / 100% coverage (Typ) SMPTE-C: 141% size / 100% coverage (Typ) NTSC: 92% size (Typ) sRGB: 131% size / 100% coverage (Typ). Original measurement and configuration scope retained. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer Display · Color Gamut: DCI-P3: 98% size (Typ) NTSC: 95% size (Typ) sRGB: 134% size / 100% coverage (Typ). Original measurement and configuration scope retained. ViewSonic VA3820C — official UK technical specifications	Adobe RGB: 97% size / 86% coverage (Typ) DCI-P3: 96% size / 94% coverage (Typ) EBU: 129% size / 100% coverage (Typ) REC709: 131% size / 100% coverage (Typ) SMPTE-C: 141% size / 100% coverage (Typ) NTSC: 92% size (Typ) sRGB: 131% size / 100% coverage (Typ)	DCI-P3: 98% size (Typ) NTSC: 95% size (Typ) sRGB: 134% size / 100% coverage (Typ)
Aspect ratio Sources ViewSonic VP3881a Manufacturer specification · Manufacturer Display · Aspect Ratio: 21:9. Original measurement and configuration scope retained. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer Display · Aspect Ratio: 21:9. Original measurement and configuration scope retained. ViewSonic VA3820C — official UK technical specifications	21:9	21:9
Static contrast ratioDifferent Sources ViewSonic VP3881a Manufacturer specification · Manufacturer Display · Static Contrast Ratio: 1,000:1 (typ). Original measurement and configuration scope retained. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer Display · Static Contrast Ratio: 2,000:1 (typ). Original measurement and configuration scope retained. ViewSonic VA3820C — official UK technical specifications	1,000:1 (typ)	2,000:1 (typ)
Dynamic contrast claimDifferent Sources ViewSonic VP3881a Manufacturer specification · Manufacturer Display · Dynamic Contrast Ratio: 20M:1. Original measurement and configuration scope retained. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer Display · Dynamic Contrast Ratio: 50M:1. Original measurement and configuration scope retained. ViewSonic VA3820C — official UK technical specifications	20M:1	50M:1
Backlight / light source Sources ViewSonic VP3881a Manufacturer specification · Manufacturer Display · Light Source: LED. Original measurement and configuration scope retained. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer Display · Light Source: LED. Original measurement and configuration scope retained. ViewSonic VA3820C — official UK technical specifications	LED	LED
Screen shape Sources ViewSonic VP3881a Manufacturer specification · Manufacturer Display · Curvature: 2300R. Original measurement and configuration scope retained. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer Display · Curvature: 2300R. Original measurement and configuration scope retained. ViewSonic VA3820C — official UK technical specifications	2300R	2300R
Display Size (in.) Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	38	38
Viewable Area (in.) Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	37.5	37.5
Panel Type Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	IPS Technology	IPS Technology
Resolution Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	3840 x 1600	3840 x 1600
Resolution Type Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	WQHD+ (Wide QHD+)	WQHD+ (Wide QHD+)
Static Contrast RatioDifferent Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	1,000:1 (typ)	2,000:1 (typ)
Dynamic Contrast RatioDifferent Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	20M:1	50M:1
High Dynamic Range Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	HDR10	HDR10
Light Source Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	LED	LED
Brightness Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	300 cd/m² (typ)	300 cd/m² (typ)
Colors Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	1.07B	1.07B
Color Space Support Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	10 bit (8 bit + A-FRC)	10 bit (8 bit + A-FRC)
Aspect Ratio Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	21:9	21:9
Viewing Angles Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	178º horizontal, 178º vertical	178º horizontal, 178º vertical
Backlight Life (Hours) Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	30000 Hrs (Min)	30000 Hrs (Min)
Curvature Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	2300R	2300R
Color GamutDifferent Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	Adobe RGB: 97% size / 86% coverage (Typ) DCI-P3: 96% size / 94% coverage (Typ) EBU: 129% size / 100% coverage (Typ) REC709: 131% size / 100% coverage (Typ) SMPTE-C: 141% size / 100% coverage (Typ) NTSC: 92% size (Typ) sRGB: 131% size / 100% coverage (Typ)	DCI-P3: 98% size (Typ) NTSC: 95% size (Typ) sRGB: 134% size / 100% coverage (Typ)
Pixel Size Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	0.229 mm (H) x 0.229 mm (V)	0.229 mm (H) x 0.229 mm (V)
Surface Treatment Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	Anti-Glare, Hard Coating (3H)	Anti-Glare, Hard Coating (3H)
PC Resolution (max) Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Compatibility. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Compatibility. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	3840x1600	3840x1600
Mac® Resolution (max) Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Compatibility. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Compatibility. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	3840x1600	3840x1600
Mac® Resolution (min) Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Compatibility. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Compatibility. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	3840x1600	3840x1600
On Screen Display Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Controls. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Controls. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	Input Select, Audio Adjust, ViewMode, Color Adjust, Manual Image Adjust, Setup Menu	Input Select, Audio Adjust, ViewMode, Color Adjust, Manual Image Adjust, Setup Menu
Glass Hardness Sources ViewSonic VP3881a No source recorded. ViewSonic VA3820C Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	Not provided	3H

Refresh rate at native resolutionDifferent Sources ViewSonic VP3881a Manufacturer specification · Manufacturer Display · Refresh Rate (Hz): 60. Display refresh row for the separately listed native resolution; source device and connection must support the mode. Input vertical-frequency ranges are not substituted. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer Display · Refresh Rate (Hz): 75. Display refresh row for the separately listed native resolution; source device and connection must support the mode. Input vertical-frequency ranges are not substituted. ViewSonic VA3820C — official UK technical specifications	60 Hz	75 Hz
Published refresh and input modesDifferent Sources ViewSonic VP3881a Manufacturer specification · Manufacturer Display · Refresh Rate (Hz): 60. Exact connection/mode wording. No refresh at a different resolution, overclock mode or input-frequency range is silently combined with the native grid. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer Display · Refresh Rate (Hz): 75. Exact connection/mode wording. No refresh at a different resolution, overclock mode or input-frequency range is silently combined with the native grid. ViewSonic VA3820C — official UK technical specifications	60	75
Published grey-to-grey response Sources ViewSonic VP3881a Manufacturer specification · Manufacturer Display · Response Time (Typical GTG): 5ms. Manufacturer grey-to-grey response claim; overdrive/minimum/MPRT figures remain separate. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C No source recorded.	5 ms	Not provided
Response time and measurement basisDifferent Sources ViewSonic VP3881a Manufacturer specification · Original response method, typical/minimum and overdrive qualifications remain separate; no measured latency is implied. Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. Source field: Response Time (Typical GTG). Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. Source field: Response Time (GTG w/OD). ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Original response method, typical/minimum and overdrive qualifications remain separate; no measured latency is implied. Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. Source field: Response Time (GTG w/OD). ViewSonic VA3820C — official UK technical specifications	5ms (GTG); 5ms (GTG)	4.785ms (GTG)
Variable refresh support Sources ViewSonic VP3881a Not separately established by these manufacturer specification rows. An omitted or inapplicable row does not establish absence. · Manufacturer specification ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer Display · Variable Refresh Rate Technology: Yes. Explicit manufacturer VRR/sync claim. Exact branding, input/mode restrictions and certification status remain as published; no external validation is invented. ViewSonic VA3820C — official UK technical specifications	Not listed by the manufacturer	Yes
Response Time (Typical GTG) Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C No source recorded.	5ms	Not provided
Response Time (GTG w/OD)Different Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	5ms	4.785ms
Refresh Rate (Hz)Different Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	60	75
Frequency HorizontalDifferent Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Input Signal. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Input Signal. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	15 ~ 135KHz	HDMI (v2.1): 15 ~ 222KHz, DisplayPort (v1.4): 15 ~ 222KHz, Type C: 15 ~ 222KHz
Frequency VerticalDifferent Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Input Signal. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Input Signal. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	24 ~ 75Hz	HDMI (v2.1): 30 ~ 75Hz, DisplayPort (v1.4): 48 ~ 75Hz, Type C: 48 ~ 75Hz
Digital SyncDifferent Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Video Input. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Video Input. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	PCI-E - DisplayPort (v1.4), TMDS - HDMI (v2.0), Micro-Packet - Type C	FRL - HDMI (v2.1), Micro-Packet - DisplayPort (v1.4), Micro-Packet - Type C
Sync technology Sources ViewSonic VP3881a No source recorded. ViewSonic VA3820C Manufacturer specification · Literal source-listed sync technology; absence of another family is unknown. Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. Source field: Variable Refresh Rate Technology. ViewSonic VA3820C — official UK technical specifications	Not provided	Variable Refresh Rate Technology (yes)
Variable Refresh Rate Technology Sources ViewSonic VP3881a No source recorded. ViewSonic VA3820C Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	Not provided	Yes

Inputs, connections and versionsDifferent Sources ViewSonic VP3881a Manufacturer specification · Exact manufacturer connector counts, versions, direction, data-only limitations and stated charging scope. USB-C presence does not establish video, upstream host charging, full bandwidth or compatibility. Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. Source field: USB 3.2 Type A Down Stream. Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. Source field: USB 3.2 Type B Up Stream. Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. Source field: USB 3.2 Type C Up Stream; DisplayPort Alt mode. Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. Source field: 3.5mm Audio Out. Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. Source field: HDMI 2.0 (with HDCP 2.2). Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. Source field: DisplayPort. Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. Source field: Power in. Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. Source field: Ethernet LAN (RJ45). ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Exact manufacturer connector counts, versions, direction, data-only limitations and stated charging scope. USB-C presence does not establish video, upstream host charging, full bandwidth or compatibility. Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. Source field: USB 3.2 Type A Down Stream (USB 2.0 Bandwidth). Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. Source field: USB 3.2 Type B Up Stream. Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. Source field: USB 3.2 Type C Up Stream; DisplayPort Alt mode. Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. Source field: 3.5mm Audio Out. Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. Source field: HDMI 2.1. Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. Source field: DisplayPort. Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. Source field: Power in. ViewSonic VA3820C — official UK technical specifications	2 × USB 3.2 Type A Down Stream; 1 × USB 3.2 Type B Up Stream; USB 3.2 Type C Up Stream; DisplayPort Alt mode (1 (90W power charger)); 1 × 3.5mm Audio Out; 2 × HDMI 2.0 (with HDCP 2.2); 1 × DisplayPort; Power in (DC Socket (4 Pin)); 1 × Ethernet LAN (RJ45)	2 × USB 3.2 Type A Down Stream (USB 2.0 Bandwidth); 1 × USB 3.2 Type B Up Stream; USB 3.2 Type C Up Stream; DisplayPort Alt mode (1 (96W power charger)); 1 × 3.5mm Audio Out; 2 × HDMI 2.1; 1 × DisplayPort; Power in (DC Socket (Center Positive))
Built-in speakers Sources ViewSonic VP3881a Manufacturer specification · Manufacturer Audio · Internal Speakers: 5Watts x2. Original measurement and configuration scope retained. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer Audio · Internal Speakers: 2.5Watts x2. Original measurement and configuration scope retained. ViewSonic VA3820C — official UK technical specifications	Yes	Yes
Published speaker ratingDifferent Sources ViewSonic VP3881a Manufacturer specification · Manufacturer Audio · Internal Speakers: 5Watts x2. Original measurement and configuration scope retained. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer Audio · Internal Speakers: 2.5Watts x2. Original measurement and configuration scope retained. ViewSonic VA3820C — official UK technical specifications	5Watts x2	2.5Watts x2
USB-C connection Sources ViewSonic VP3881a Manufacturer specification · Manufacturer Connector · USB 3.2 Type C Up Stream; DisplayPort Alt mode : 1 (90W power charger). Physical USB-C/Thunderbolt presence only. Direction, data, video and charging capabilities require their own explicit source wording. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer Connector · USB 3.2 Type C Up Stream; DisplayPort Alt mode : 1 (96W power charger). Physical USB-C/Thunderbolt presence only. Direction, data, video and charging capabilities require their own explicit source wording. ViewSonic VA3820C — official UK technical specifications	Yes	Yes
USB hub Sources ViewSonic VP3881a Manufacturer specification · Manufacturer Connector · USB 3.2 Type A Down Stream: 2. Explicit downstream USB data ports; host upstream requirements and per-port power/video restrictions remain in the complete connector wording. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer Connector · USB 3.2 Type A Down Stream (USB 2.0 Bandwidth) : 2. Explicit downstream USB data ports; host upstream requirements and per-port power/video restrictions remain in the complete connector wording. ViewSonic VA3820C — official UK technical specifications	Yes	Yes
USB-C video support Sources ViewSonic VP3881a Manufacturer specification · Manufacturer Connector · USB 3.2 Type C Up Stream; DisplayPort Alt mode : 1 (90W power charger). Explicit upstream USB-C DisplayPort Alt Mode; other USB-C downstream/data-only ports do not inherit video support. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer Connector · USB 3.2 Type C Up Stream; DisplayPort Alt mode : 1 (96W power charger). Explicit upstream USB-C DisplayPort Alt Mode; other USB-C downstream/data-only ports do not inherit video support. ViewSonic VA3820C — official UK technical specifications	Yes	Yes
USB-C upstream power deliveryDifferent Sources ViewSonic VP3881a Manufacturer specification · Manufacturer Connector · USB 3.2 Type C Up Stream; DisplayPort Alt mode : 1 (90W power charger). Explicit upstream host-charging claim; downstream15W/data-only charging is not a host power-delivery rating. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer Connector · USB 3.2 Type C Up Stream; DisplayPort Alt mode : 1 (96W power charger). Explicit upstream host-charging claim; downstream15W/data-only charging is not a host power-delivery rating. ViewSonic VA3820C — official UK technical specifications	90 W	96 W
USB 3.2 Type A Down Stream Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C No source recorded.	2	Not provided
USB 3.2 Type B Up Stream Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	1	1
USB 3.2 Type C Up Stream; DisplayPort Alt modeDifferent Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	1 (90W power charger)	1 (96W power charger)
3.5mm Audio Out Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	1	1
HDMI 2.0 (with HDCP 2.2) Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C No source recorded.	2	Not provided
DisplayPort Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	1	1
Ethernet LAN (RJ45) Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C No source recorded.	1	Not provided
Internal SpeakersDifferent Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Audio. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Audio. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	5Watts x2	2.5Watts x2
HDMI 2.1 Sources ViewSonic VP3881a No source recorded. ViewSonic VA3820C Manufacturer specification · Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	Not provided	2

Dimensions and stand configurationDifferent Sources ViewSonic VP3881a Manufacturer specification · Manufacturer Dimensions (metric) (wxhxd) · Physical (mm): 896 x 499.24~629.24 x 299. Supplied-stand configuration. The source lists without-base/without-stand figures separately. All original axis order and height ranges are retained; packaging dimensions are not substituted. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer Dimensions (metric) (wxhxd) · Physical (mm): 897.5 x 459~589 x 237.8. Supplied-stand configuration. The source lists without-base/without-stand figures separately. All original axis order and height ranges are retained; packaging dimensions are not substituted. ViewSonic VA3820C — official UK technical specifications	896 x 499.24–629.24 x 299 mm (width × height × depth, with supplied stand)	897.5 x 459–589 x 237.8 mm (width × height × depth, with supplied stand)
Published physical widthDifferent Sources ViewSonic VP3881a Manufacturer specification · Manufacturer Dimensions (metric) (wxhxd) · Physical (mm): 896 x 499.24~629.24 x 299. Component of the exact supplied-stand dimension tuple, in the original stated axis order. Allow room for cables and movement. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer Dimensions (metric) (wxhxd) · Physical (mm): 897.5 x 459~589 x 237.8. Component of the exact supplied-stand dimension tuple, in the original stated axis order. Allow room for cables and movement. ViewSonic VA3820C — official UK technical specifications	896 mm	897.5 mm
Depth with supplied standDifferent Sources ViewSonic VP3881a Manufacturer specification · Manufacturer Dimensions (metric) (wxhxd) · Physical (mm): 896 x 499.24~629.24 x 299. Component of the exact supplied-stand dimension tuple, in the original stated axis order. Allow room for cables and movement. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer Dimensions (metric) (wxhxd) · Physical (mm): 897.5 x 459~589 x 237.8. Component of the exact supplied-stand dimension tuple, in the original stated axis order. Allow room for cables and movement. ViewSonic VA3820C — official UK technical specifications	299 mm	237.8 mm
Dimensions without standDifferent Sources ViewSonic VP3881a Manufacturer specification · Manufacturer Dimensions (metric) (wxhxd) · Physical Without Stand (mm): 896 x 398 x 103. Original measurement and configuration scope retained. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer Dimensions (metric) (wxhxd) · Physical Without Stand (mm): 897.5 x 398.5 x 105.9. Original measurement and configuration scope retained. ViewSonic VA3820C — official UK technical specifications	896 x 398 x 103 mm (width × height × depth, without stand)	897.5 x 398.5 x 105.9 mm (width × height × depth, without stand)
Weight with supplied standDifferent Sources ViewSonic VP3881a Manufacturer specification · Manufacturer Weight (metric) · Net (kg): 12.6. Net monitor with supplied stand; separately listed without-stand and gross/packaging figures remain distinct. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer Weight (metric) · Net (kg): 9.4. Net monitor with supplied stand; separately listed without-stand and gross/packaging figures remain distinct. ViewSonic VA3820C — official UK technical specifications	12.6 kg	9.4 kg
Weight without standDifferent Sources ViewSonic VP3881a Manufacturer specification · Manufacturer Weight (metric) · Net Without Stand (kg): 7.9. Monitor without supplied base/stand; net with-stand and packaging masses are separate. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer Weight (metric) · Net Without Stand (kg): 7.2. Monitor without supplied base/stand; net with-stand and packaging masses are separate. ViewSonic VA3820C — official UK technical specifications	7.9 kg	7.2 kg
Published stand tiltDifferent Sources ViewSonic VP3881a Manufacturer specification · Manufacturer Ergonomics · Tilt (Forward/Back): -1º / 21º. Original measurement and configuration scope retained. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer Ergonomics · Tilt (Forward/Back): -5º / 15º. Original measurement and configuration scope retained. ViewSonic VA3820C — official UK technical specifications	-1º / 21º	-5º / 15º
Published swivel anglesDifferent Sources ViewSonic VP3881a Manufacturer specification · Manufacturer Ergonomics · Swivel: 120º. Original measurement and configuration scope retained. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer Ergonomics · Swivel: 60º. Original measurement and configuration scope retained. ViewSonic VA3820C — official UK technical specifications	120º	60º
VESA mounting pattern Sources ViewSonic VP3881a Manufacturer specification · Manufacturer Wall Mount · VESA Compatible: 100 x 100 mm. Original measurement and configuration scope retained. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer Wall Mount · VESA Compatible: 100 x 100 mm. Original measurement and configuration scope retained. ViewSonic VA3820C — official UK technical specifications	100 x 100 mm	100 x 100 mm
Included accessories and regional scopeDifferent Sources ViewSonic VP3881a Manufacturer specification · Manufacturer General · PACKAGE CONTENTS: VP3881A x1, 3-pin Plug (IEC C13 / CEE22) x1, DisplayPort Cable (v1.2; Male-Male) x1, HDMI Cable (v2.0; Male-Male) x1, USB Type-C Cable (Male-Male) x1, USB A/B Cable (v3.2; Male-Male) x1, AC/DC Adapter x1, Quick Start Guide x1. Original measurement and configuration scope retained. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer General · PACKAGE CONTENTS: VA3820C x1, 3-pin Plug (IEC C13 / CEE22) x1, HDMI Cable (v2.0; Male-Male) x1, DisplayPort Cable (v1.4; Male-Male) x1, USB Type-C Cable (Male-Male) x1, USB A/B Cable (v3.2; Male-Male) x1, AC/DC Adapter x1, Quick Start Guide x1. Original measurement and configuration scope retained. ViewSonic VA3820C — official UK technical specifications	VP3881A x1, 3-pin Plug (IEC C13 / CEE22) x1, DisplayPort Cable (v1.2; Male-Male) x1, HDMI Cable (v2.0; Male-Male) x1, USB Type-C Cable (Male-Male) x1, USB A/B Cable (v3.2; Male-Male) x1, AC/DC Adapter x1, Quick Start Guide x1	VA3820C x1, 3-pin Plug (IEC C13 / CEE22) x1, HDMI Cable (v2.0; Male-Male) x1, DisplayPort Cable (v1.4; Male-Male) x1, USB Type-C Cable (Male-Male) x1, USB A/B Cable (v3.2; Male-Male) x1, AC/DC Adapter x1, Quick Start Guide x1
Height-adjustable stand Sources ViewSonic VP3881a Manufacturer specification · Manufacturer Ergonomics · Height Adjust (mm): 130. Positive supplied-stand travel is explicitly published. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer Ergonomics · Height Adjust (mm): 130. Positive supplied-stand travel is explicitly published. ViewSonic VA3820C — official UK technical specifications	Yes	Yes
Stand height travel Sources ViewSonic VP3881a Manufacturer specification · Manufacturer Ergonomics · Height Adjust (mm): 130. Directly stated adjustment travel; not computed from outside dimensions. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer Ergonomics · Height Adjust (mm): 130. Directly stated adjustment travel; not computed from outside dimensions. ViewSonic VA3820C — official UK technical specifications	130 mm	130 mm
Swivel-capable stand Sources ViewSonic VP3881a Manufacturer specification · Manufacturer Ergonomics · Swivel: 120º. The supplied stand explicitly lists a nonzero angle; its published range is kept separately. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer Ergonomics · Swivel: 60º. The supplied stand explicitly lists a nonzero angle; its published range is kept separately. ViewSonic VA3820C — official UK technical specifications	Yes	Yes
Stand-by Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Power. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Power. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	0.5W	0.5W
Kensington Lock Slot Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Additional Hardware. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Additional Hardware. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	1	1
Cable Organization Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Additional Hardware. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C No source recorded.	Yes	Not provided
VESA Compatible Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Wall Mount. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Wall Mount. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	100 x 100 mm	100 x 100 mm
Height Adjust (mm) Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Ergonomics. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Ergonomics. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	130	130
SwivelDifferent Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Ergonomics. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Ergonomics. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	120º	60º
Tilt (Forward/Back)Different Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Ergonomics. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Ergonomics. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	-1º / 21º	-5º / 15º
Net (lbs)Different Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Weight (imperial). Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Weight (imperial). Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	27.7	20.7
Net Without Stand (lbs)Different Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Weight (imperial). Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Weight (imperial). Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	17.4	15.9
Gross (lbs)Different Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Weight (imperial). Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Weight (imperial). Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	41.8	29.3
Net (kg)Different Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Weight (metric). Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Weight (metric). Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	12.6	9.4
Net Without Stand (kg)Different Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Weight (metric). Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Weight (metric). Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	7.9	7.2
Gross (kg)Different Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Weight (metric). Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Weight (metric). Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	18.9	13.3
Physical (in.)Different Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Dimensions (imperial) (wxhxd). Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Dimensions (imperial) (wxhxd). Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	35.3 x 19.65–24.77 x 11.8	35.33 x 18.07–23.18 x 9.36
Physical Without Stand (in.)Different Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Dimensions (imperial) (wxhxd). Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Dimensions (imperial) (wxhxd). Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	35.3 x 15.7 x 4.1	35.33 x 15.69 x 4.17
Physical (mm)Different Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Dimensions (metric) (wxhxd). Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Dimensions (metric) (wxhxd). Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	896 x 499.24–629.24 x 299	897.5 x 459–589 x 237.8
Physical Without Stand (mm)Different Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Dimensions (metric) (wxhxd). Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Dimensions (metric) (wxhxd). Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	896 x 398 x 103	897.5 x 398.5 x 105.9
USB 3.2 Type A Down Stream (USB 2.0 Bandwidth) Sources ViewSonic VP3881a No source recorded. ViewSonic VA3820C Manufacturer specification · Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	Not provided	2

Power supply Sources ViewSonic VP3881a Manufacturer specification · Manufacturer Power · Power Supply: External Power Adaptor. Original measurement and configuration scope retained. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer Power · Power Supply: External Power Adaptor. Original measurement and configuration scope retained. ViewSonic VA3820C — official UK technical specifications	External Power Adaptor	External Power Adaptor
Typical power consumptionDifferent Sources ViewSonic VP3881a Manufacturer specification · Manufacturer Power · Consumption (typical): 52W. Manufacturer typical/normal operating claim; HDR, maximum, standby and eco modes remain separate. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer Power · Consumption (typical): 32W. Manufacturer typical/normal operating claim; HDR, maximum, standby and eco modes remain separate. ViewSonic VA3820C — official UK technical specifications	52 W	32 W
Power inDifferent Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Connector. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	DC Socket (4 Pin)	DC Socket (Center Positive)
Eco Mode (Conserve)Different Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Power. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Power. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	36W	26W
Eco Mode (optimized)Different Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Power. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Power. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	41W	29W
Consumption (typical)Different Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Power. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Power. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	52W	32W
Consumption (max)Different Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Power. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Power. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	56W	39W
Voltage Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Power. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Power. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	AC 100-240V	AC 100-240V
Power Supply Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Power. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Power. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	External Power Adaptor	External Power Adaptor
Power ManagementDifferent Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section General. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section General. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	Energy Star standards, EPEAT	Energy Star standards

Flicker-free claim Sources ViewSonic VP3881a Manufacturer specification · Manufacturer Display · Flicker-Free: Yes. Original measurement and configuration scope retained. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer Display · Flicker-Free: Yes. Original measurement and configuration scope retained. ViewSonic VA3820C — official UK technical specifications	Yes	Yes
Blue Light Filter Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C No source recorded.	Yes	Not provided
Flicker-Free Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	Yes	Yes
PC Operating SystemDifferent Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Compatibility. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Compatibility. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	Windows 11 certified; macOS tested	Windows 10/11 certified; macOS tested
Physical ControlsDifferent Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Controls. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Controls. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	Key 1, Key 2, Key 3, Key 4, Key 5, Key 6 (power)	M, Right, Left, E, Power
Low-blue-light implementation Sources ViewSonic VP3881a No source recorded. ViewSonic VA3820C Manufacturer specification · Manufacturer Display · Low Blue Light: Hardware and software solution. Original measurement and configuration scope retained. ViewSonic VA3820C — official UK technical specifications	Not provided	Hardware and software solution
Low Blue Light Sources ViewSonic VP3881a No source recorded. ViewSonic VA3820C Manufacturer specification · Manufacturer section Display. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	Not provided	Hardware and software solution

Temperature Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Operating Conditions. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Operating Conditions. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	32°F to 104°F (0°C to 40°C)	32°F to 104°F (0°C to 40°C)
Humidity (non-condensing) Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Operating Conditions. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Operating Conditions. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	20% to 90%	20% to 90%
Recycle/Disposal Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section General. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section General. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	Please dispose of in accordance with local, state or federal laws.	Please dispose of in accordance with local, state or federal laws.

Packaging (in.)Different Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Dimensions (imperial) (wxhxd). Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Dimensions (imperial) (wxhxd). Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	41.2 x 23.2 x 14.8	45.3 x 20.7 x 7.5
Packaging (mm)Different Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section Dimensions (metric) (wxhxd). Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section Dimensions (metric) (wxhxd). Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	1046 x 590 x 375	1150 x 525 x 190
RegulationsDifferent Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section General. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section General. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	cTUVus, FCC-B, ICES003, Energy Star, EPEAT, CEC, NRCan, MX-CoC, Mexico Energy, CE, CE EMC, CB, RoHS, ErP, REACH, WEEE, EAC, UkrSEPRO	Energy Star, CE, CE EMC, CB, RoHS, ErP, REACH, WEEE, EAC, UkrSEPRO, RCM
PACKAGE CONTENTSDifferent Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section General. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section General. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	VP3881A x1, 3-pin Plug (IEC C13 / CEE22) x1, DisplayPort Cable (v1.2; Male-Male) x1, HDMI Cable (v2.0; Male-Male) x1, USB Type-C Cable (Male-Male) x1, USB A/B Cable (v3.2; Male-Male) x1, AC/DC Adapter x1, Quick Start Guide x1	VA3820C x1, 3-pin Plug (IEC C13 / CEE22) x1, HDMI Cable (v2.0; Male-Male) x1, DisplayPort Cable (v1.4; Male-Male) x1, USB Type-C Cable (Male-Male) x1, USB A/B Cable (v3.2; Male-Male) x1, AC/DC Adapter x1, Quick Start Guide x1
Warranty Sources ViewSonic VP3881a Manufacturer specification · Manufacturer section General. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer section General. Original units, typical/minimum/overdrive mode, signal-frequency range, directions and regional conditions retained. This raw row never substitutes for an unrelated shared capability. ViewSonic VA3820C — official UK technical specifications	*Warranty offered may differ from market to market	*Warranty offered may differ from market to market

Published warranty scope Sources ViewSonic VP3881a Manufacturer specification · Manufacturer General · Warranty: Warranty offered may differ from market to market. Original measurement and configuration scope retained. ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Manufacturer specification · Manufacturer General · Warranty: Warranty offered may differ from market to market. Original measurement and configuration scope retained. ViewSonic VA3820C — official UK technical specifications	*Warranty offered may differ from market to market	*Warranty offered may differ from market to market

Show unverified (2)Not verified, not provided or conflicting for both products. Kept for completeness; never counted as a difference.

Specifications without verified values for either product
Stand pivot Sources ViewSonic VP3881a Not separately established by these manufacturer specification rows. An omitted or inapplicable row does not establish absence. · Manufacturer specification ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Not separately established by these manufacturer specification rows. An omitted or inapplicable row does not establish absence. · Manufacturer specification ViewSonic VA3820C — official UK technical specifications	Not listed by the manufacturer	Not listed by the manufacturer
Hardware low-blue-light solution Sources ViewSonic VP3881a Not separately established by these manufacturer specification rows. An omitted or inapplicable row does not establish absence. · Manufacturer specification ViewSonic VP3881a — official UK technical specifications ViewSonic VA3820C Not separately established by these manufacturer specification rows. An omitted or inapplicable row does not establish absence. · Manufacturer specification ViewSonic VA3820C — official UK technical specifications	Not listed by the manufacturer	Not listed by the manufacturer

First product manufacturer source Second product manufacturer source

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