RD280UA · 28.2-inch IPS · flexible arm · BenQ UK specification
A 28.2-inch 3840 × 2560 (3:2) IPS programming monitor supplied with a monitor arm, listing 130 mm height travel, ±275° swivel and 90° pivot, plus USB-C with 90 W charging and a KVM switch.
Specifications checked 26 Sept 2026.
Amazon links open search results. Check the exact variant, current price and availability with the retailer.
Manufacturer specificationsChoose the RD280UA for
Choose the EW2790U for
EW2790U · 27-inch IPS · BenQ UK specification
A 27-inch 4K IPS monitor with DisplayHDR 400, 5 W × 2 speakers, three HDMI 2.0 inputs and USB-C with 65 W charging on a height-, swivel- and pivot-adjustable stand.
Specifications checked 26 Sept 2026.
Amazon links open search results. Check the exact variant, current price and availability with the retailer.
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Differences first. Select a topic for its graphic, sources and conditions.
Check the exact configuration and source conditions for your use.
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.
20 verified differences, most decision-relevant first. 7 are also drawn in Visual facts above. Missing information stays separate.
Manufacturer specification · Manufacturer resolution notation: 3840x2560.
BenQ RD280UA — exact-model technical specificationsManufacturer specification · Manufacturer resolution notation: 3840x2160.
BenQ EW2790U — exact-model technical specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification · Manufacturer-listed panel diagonal; a rounded size may appear in the product name.
BenQ RD280UA — exact-model technical specificationsManufacturer specification · Manufacturer-listed panel diagonal; a rounded size may appear in the product name.
BenQ EW2790U — exact-model technical specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification · Manufacturer port counts and versions; the source device and cable must support the mode you want.
BenQ RD280UA — exact-model technical specificationsManufacturer specification · Manufacturer port counts and versions; the source device and cable must support the mode you want.
BenQ EW2790U — exact-model technical specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification · 90 W from the USB-C port that also carries DisplayPort Alt Mode video and data. Downstream accessory ports supply less and are not laptop-charging ports.
BenQ RD280UA — exact-model technical specificationsManufacturer specification · 65 W from the USB-C port that also carries DisplayPort Alt Mode video and data. Downstream accessory ports supply less and are not laptop-charging ports.
BenQ EW2790U — exact-model technical specificationsThis is charging power available to a compatible connected device, not the monitor’s electricity consumption. Check the device, cable and any shared-power restrictions.
Manufacturer specification · Manufacturer rated output.
BenQ RD280UA — exact-model technical specificationsManufacturer specification · Manufacturer rated output.
BenQ EW2790U — exact-model technical specificationsCheck the actual speakers and audio connectors. Speaker wattage is not measured loudness or sound quality, and a line input is not a headphone output.
Check the exact configuration and source conditions for your use.
Check the exact configuration and source conditions for your use.
Manufacturer specification · BenQ notes that the signal cable may vary by region; check the seller’s listing.
BenQ RD280UA — exact-model technical specificationsManufacturer specification · BenQ notes that the signal cable may vary by region; check the seller’s listing.
BenQ EW2790U — exact-model technical specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification · Manufacturer power figure under the stated operating mode; real use, brightness, connected USB devices and charging load can differ.
BenQ RD280UA — exact-model technical specificationsManufacturer specification · Manufacturer power figure under the stated operating mode; real use, brightness, connected USB devices and charging load can differ.
BenQ EW2790U — exact-model technical specificationsCheck the exact configuration and source conditions for your use.
Check the exact configuration and source conditions for your use.
Manufacturer specification · Manufacturer normal-mode figure; brightness, USB devices and charging load change real use.
BenQ RD280UA — exact-model technical specificationsManufacturer specification · Manufacturer normal-mode figure; brightness, USB devices and charging load change real use.
BenQ EW2790U — exact-model technical specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification · Depth from the manufacturer dimension tuple. Allow additional room for cable routing and movement.
BenQ RD280UA — exact-model technical specificationsManufacturer specification · Depth from the manufacturer dimension tuple. Allow additional room for cable routing and movement.
BenQ EW2790U — exact-model technical specificationsA size or weight trade-off; it does not establish the better product.
Manufacturer specification · Manufacturer-listed travel: 130 mm. Not calculated from the external height range.
BenQ RD280UA — exact-model technical specificationsManufacturer specification · Manufacturer-listed travel: 110 mm. Not calculated from the external height range.
BenQ EW2790U — exact-model technical specificationsCompare the supplied stand and mounting requirements. These affect positioning and desk fit; they do not establish panel quality. Check any separately stated limits or conflicting dimensions.
Manufacturer specification · Manufacturer power figure under the stated operating mode; real use, brightness, connected USB devices and charging load can differ.
BenQ RD280UA — exact-model technical specificationsManufacturer specification · Manufacturer power figure under the stated operating mode; real use, brightness, connected USB devices and charging load can differ.
BenQ EW2790U — exact-model technical specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification · Left/right range as listed by BenQ.
BenQ RD280UA — exact-model technical specificationsManufacturer specification · Left/right range as listed by BenQ.
BenQ EW2790U — exact-model technical specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification · Down/up range as listed by BenQ.
BenQ RD280UA — exact-model technical specificationsManufacturer specification · Down/up range as listed by BenQ.
BenQ EW2790U — exact-model technical specificationsCheck the exact configuration and source conditions for your use.
A size or weight trade-off; it does not establish the better product.
BenQ lists 602.2 - 732.2x610.4x476.0 mm (height × width × depth). · Manufacturer specification · Manufacturer dimensions with the supplied stand; a height range shows the stand’s lowest and highest positions. Allow extra room for cables and movement.
BenQ RD280UA — exact-model technical specificationsBenQ lists 427.4-536.9x614.2x211.2 mm (height × width × depth). · Manufacturer specification · Manufacturer dimensions with the supplied stand; a height range shows the stand’s lowest and highest positions. Allow extra room for cables and movement.
BenQ EW2790U — exact-model technical specificationsA size or weight trade-off; it does not establish the better product.
Manufacturer specification · Manufacturer panel dimensions without the base.
BenQ RD280UA — exact-model technical specificationsManufacturer specification · Manufacturer panel dimensions without the base.
BenQ EW2790U — exact-model technical specificationsA size or weight trade-off; it does not establish the better product.
Manufacturer specification · BenQ lists “Net Weight” separately from “Net Weight (w/o Base)”, so this figure includes the supplied base; packaging excluded.
BenQ RD280UA — exact-model technical specificationsManufacturer specification · BenQ lists “Net Weight” separately from “Net Weight (w/o Base)”, so this figure includes the supplied base; packaging excluded.
BenQ EW2790U — exact-model technical specificationsA size or weight trade-off; it does not establish the better product.
Manufacturer specification · Manufacturer width in the listed landscape configuration.
BenQ RD280UA — exact-model technical specificationsManufacturer specification · Manufacturer width in the listed landscape configuration.
BenQ EW2790U — exact-model technical specificationsA size or weight trade-off; it does not establish the better product.
Manufacturer specification · The source device and input must support the mode.
BenQ RD280UA — exact-model technical specificationsManufacturer specification · The source device and input must support the mode.
BenQ EW2790U — exact-model technical specificationsOne source states less detail or a rounded figure. This is not a verified difference; check the exact configuration.
Manufacturer specification · BenQ’s TÜV certificate row names “Low Blue light (Hardware Solution)” as well as a separate “Low Blue light (Software Solution)” certificate.
BenQ RD280UA — exact-model technical specificationsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Complete “TUV Certificate” row (Certification) and Environmental Standards rows from BenQ’s UK specification table. The product page describes the TÜV Reflection Free certification, TÜV Rheinland’s Low Blue Light certification and Eyesafe 2.0 certification. Manufacturer-listed certificates, not independent measurements or health claims.
BenQ RD280UA — exact-model technical specificationsBenQ RD280UA — UK product and identityNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Manufacturer colour specification in its stated colour space; coverage is not an independent measurement.
BenQ RD280UA — exact-model technical specificationsManufacturer specification · Manufacturer colour specification in its stated colour space; coverage is not an independent measurement.
BenQ EW2790U — exact-model technical specificationsThe declared gamut figures use different or unstated colour spaces. They are not ranked; compare figures stated in the same colour space.
Manufacturer specification · Multi-Stream Transport via the listed USB-C out port. BenQ notes that Mac and MacBook devices only support daisy chaining via Thunderbolt, that daisy chaining is not supported via HDMI or regular USB ports on any device, and that M1/M2 Macs connect only a single external display.
BenQ RD280UA — exact-model technical specificationsBenQ RD280UA — UK product and identityNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · BenQ’s table lists “Night Hours Protection: Yes”; the product page describes minimum brightness technology for night use, with ambient light detection and auto-switch. No minimum-brightness figure is published.
BenQ RD280UA — exact-model technical specificationsBenQ RD280UA — UK product and identityNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Complete “Color Mode” row from BenQ’s UK specification table. The product page describes the coding modes’ dark and light themes, with adjustable brightness, sharpness and contrast, and a Coding HotKey at the heart of the function bar.
BenQ RD280UA — exact-model technical specificationsBenQ RD280UA — UK product and identityNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
26 shared fields have the same recorded value.
| Specification | BenQ RD280UA | BenQ EW2790U |
|---|---|---|
Screen diagonalDifferent SourcesBenQ RD280UA Manufacturer specification · Manufacturer-listed panel diagonal; a rounded size may appear in the product name. BenQ RD280UA — exact-model technical specificationsBenQ EW2790U Manufacturer specification · Manufacturer-listed panel diagonal; a rounded size may appear in the product name. BenQ EW2790U — exact-model technical specifications | 28.2 in | 27 in |
Native resolutionDifferent SourcesBenQ RD280UA Manufacturer specification · Manufacturer resolution notation: 3840x2560. BenQ RD280UA — exact-model technical specificationsBenQ EW2790U Manufacturer specification · Manufacturer resolution notation: 3840x2160. BenQ EW2790U — exact-model technical specifications | 3840 × 2560 | 3840 × 2160 |
Panel technology Sources | IPS | IPS |
Typical brightness SourcesBenQ RD280UA Manufacturer specification · Manufacturer typical brightness; picture mode and content affect output. BenQ RD280UA — exact-model technical specificationsBenQ EW2790U Manufacturer specification · Manufacturer typical brightness; picture mode and content affect output. BenQ EW2790U — exact-model technical specifications | 350 cd/m² | 350 cd/m² |
Listed HDR peak brightness SourcesBenQ RD280UA Manufacturer specification · Manufacturer HDR peak figure; not a measured real-scene result. BenQ RD280UA — exact-model technical specificationsBenQ EW2790U Manufacturer specification · Manufacturer HDR peak figure; not a measured real-scene result. BenQ EW2790U — exact-model technical specifications | 400 nits | 400 nits |
HDR formats / certification SourcesBenQ RD280UA Manufacturer specification · Manufacturer-listed HDR formats or certification. BenQ RD280UA — exact-model technical specificationsBenQ EW2790U Manufacturer specification · Manufacturer-listed HDR formats or certification. BenQ EW2790U — exact-model technical specifications | HDR10, VESA DisplayHDR 400 | HDR10, VESA DisplayHDR 400 |
Aspect ratioDifferent Sources | 3:2 | 16:9 |
Native contrastDifferent Sources | 1200:1 | 1000:1 |
Screen coatingDifferent Sources | Nano Matte | Matte |
Viewing angles and basis SourcesBenQ RD280UA Manufacturer specification · Left/right angles at a contrast ratio of at least 10:1, as listed. BenQ RD280UA — exact-model technical specificationsBenQ EW2790U Manufacturer specification · Left/right angles at a contrast ratio of at least 10:1, as listed. BenQ EW2790U — exact-model technical specifications | 178°/178° | 178°/178° |
Display colours SourcesBenQ RD280UA Manufacturer specification · Manufacturer colour specification. BenQ RD280UA — exact-model technical specificationsBenQ EW2790U Manufacturer specification · Manufacturer colour specification. BenQ EW2790U — exact-model technical specifications | 1.07 billion colors | 1.07 billion colors |
Listed colour gamut SourcesBenQ RD280UA Manufacturer specification · Manufacturer colour specification in its stated colour space; coverage is not an independent measurement. BenQ RD280UA — exact-model technical specificationsBenQ EW2790U Manufacturer specification · Manufacturer colour specification in its stated colour space; coverage is not an independent measurement. BenQ EW2790U — exact-model technical specifications | 95% P3 | 95% P3 |
Colour modes SourcesBenQ RD280UA Manufacturer specification · Complete “Color Mode” row from BenQ’s UK specification table. The product page describes the coding modes’ dark and light themes, with adjustable brightness, sharpness and contrast, and a Coding HotKey at the heart of the function bar. BenQ RD280UA — exact-model technical specificationsBenQ RD280UA — UK product and identityBenQ EW2790U No source recorded. | sRGB; HDR; M-book; User; ePaper; Cinema; Coding - Dark Theme; Coding - Light Theme | Not provided |
Backlight technology Sources | LED backlight | LED backlight |
Refresh rate at native resolution SourcesBenQ RD280UA Manufacturer specification · BenQ lists 60 (DP, USB-C); the listed inputs and a compatible source device are needed for this mode. BenQ RD280UA — exact-model technical specificationsBenQ EW2790U Manufacturer specification · At native resolution; the source device and input must support the mode. BenQ EW2790U — exact-model technical specifications | 60 Hz | 60 Hz |
Listed refresh modes and input limits SourcesBenQ RD280UA Manufacturer specification · The source device and input must support the mode. BenQ RD280UA — exact-model technical specificationsBenQ EW2790U Manufacturer specification · The source device and input must support the mode. BenQ EW2790U — exact-model technical specifications | Up to 60 Hz (DP, USB-C) | Up to 60 Hz |
GtG response-time claim SourcesBenQ RD280UA Manufacturer specification · Manufacturer GtG claim; BenQ’s specification table publishes no test conditions for it and lists no MPRT figure. BenQ RD280UA — exact-model technical specificationsBenQ EW2790U Manufacturer specification · Manufacturer GtG claim; BenQ’s specification table publishes no test conditions for it and lists no MPRT figure. BenQ EW2790U — exact-model technical specifications | 5 ms | 5 ms |
Inputs, connections and versionsDifferent SourcesBenQ RD280UA Manufacturer specification · Manufacturer port counts and versions; the source device and cable must support the mode you want. BenQ RD280UA — exact-model technical specificationsBenQ EW2790U Manufacturer specification · Manufacturer port counts and versions; the source device and cable must support the mode you want. BenQ EW2790U — exact-model technical specifications | 1 × HDMI (v2.0); 1 × DisplayPort (v1.4); 1 × USB C(PowerDelivery 90W, DisplayPort Alt Mode, Data); 1 × USB Type-B Upstream (USB 3.2 Gen 1, 5 Gbps, Data only); 3 × USB Type-A Downstream (USB 3.2 Gen 1, 5 Gbps, power charging 4.5W); 1 × USB Type-C Downstream (USB 3.2 Gen 1, 5 Gbps, power charging 7.5W); headphone jack | 3 × HDMI (v2.0); 1 × USB C(PowerDelivery 65W, DisplayPort Alt Mode, Data); 3 × USB Type-A Downstream (USB 3.2 Gen 1, 5 Gbps, power charging 7.5W); 1 × USB Type-C Downstream (USB 3.2 Gen 1, 5 Gbps, power charging 7.5W); headphone jack |
USB-C connection SourcesBenQ RD280UA Manufacturer specification · The listed connections include USB-C or Thunderbolt. Video, data, upstream/downstream roles and charging power depend on the particular port. BenQ RD280UA — exact-model technical specificationsBenQ EW2790U Manufacturer specification · The listed connections include USB-C or Thunderbolt. Video, data, upstream/downstream roles and charging power depend on the particular port. BenQ EW2790U — exact-model technical specifications | Yes | Yes |
Highest listed USB-C / Thunderbolt charging outputDifferent SourcesBenQ RD280UA Manufacturer specification · 90 W from the USB-C port that also carries DisplayPort Alt Mode video and data. Downstream accessory ports supply less and are not laptop-charging ports. BenQ RD280UA — exact-model technical specificationsBenQ EW2790U Manufacturer specification · 65 W from the USB-C port that also carries DisplayPort Alt Mode video and data. Downstream accessory ports supply less and are not laptop-charging ports. BenQ EW2790U — exact-model technical specifications | 90 W | 65 W |
USB hub SourcesBenQ RD280UA Manufacturer specification · Downstream USB ports need the listed upstream connection to the computer. BenQ RD280UA — exact-model technical specificationsBenQ EW2790U Manufacturer specification · Downstream USB ports need the listed upstream connection to the computer. BenQ EW2790U — exact-model technical specifications | Yes | Yes |
Display daisy-chain configuration SourcesBenQ RD280UA Manufacturer specification · Multi-Stream Transport via the listed USB-C out port. BenQ notes that Mac and MacBook devices only support daisy chaining via Thunderbolt, that daisy chaining is not supported via HDMI or regular USB ports on any device, and that M1/M2 Macs connect only a single external display. BenQ RD280UA — exact-model technical specificationsBenQ RD280UA — UK product and identityBenQ EW2790U No source recorded. | USB C out (MST) | Not provided |
Built-in speakers Sources | Yes | Yes |
Listed speaker configurationDifferent SourcesBenQ RD280UA Manufacturer specification · Manufacturer rated output. BenQ RD280UA — exact-model technical specificationsBenQ EW2790U Manufacturer specification · Manufacturer rated output. BenQ EW2790U — exact-model technical specifications | 2Wx2 | 5Wx2 |
Headphone output Sources | Yes | Yes |
HDCP version Sources | 2.2 | 2.2 |
Keyboard / mouse switching SourcesBenQ EW2790U No source recorded. | Yes | Not provided |
Dimensions with standDifferent SourcesBenQ RD280UA BenQ lists 602.2 - 732.2x610.4x476.0 mm (height × width × depth). · Manufacturer specification · Manufacturer dimensions with the supplied stand; a height range shows the stand’s lowest and highest positions. Allow extra room for cables and movement. BenQ RD280UA — exact-model technical specificationsBenQ EW2790U BenQ lists 427.4-536.9x614.2x211.2 mm (height × width × depth). · Manufacturer specification · Manufacturer dimensions with the supplied stand; a height range shows the stand’s lowest and highest positions. Allow extra room for cables and movement. BenQ EW2790U — exact-model technical specifications | 602.2 - 732.2 × 610.4 × 476.0 mm (height × width × depth, with stand) | 427.4-536.9 × 614.2 × 211.2 mm (height × width × depth, with stand) |
Depth with standDifferent SourcesBenQ RD280UA Manufacturer specification · Depth from the manufacturer dimension tuple. Allow additional room for cable routing and movement. BenQ RD280UA — exact-model technical specificationsBenQ EW2790U Manufacturer specification · Depth from the manufacturer dimension tuple. Allow additional room for cable routing and movement. BenQ EW2790U — exact-model technical specifications | 476 mm | 211.2 mm |
Width with standDifferent SourcesBenQ RD280UA Manufacturer specification · Manufacturer width in the listed landscape configuration. BenQ RD280UA — exact-model technical specificationsBenQ EW2790U Manufacturer specification · Manufacturer width in the listed landscape configuration. BenQ EW2790U — exact-model technical specifications | 610.4 mm | 614.2 mm |
Dimensions without standDifferent SourcesBenQ RD280UA Manufacturer specification · Manufacturer panel dimensions without the base. BenQ RD280UA — exact-model technical specificationsBenQ EW2790U Manufacturer specification · Manufacturer panel dimensions without the base. BenQ EW2790U — exact-model technical specifications | 427.8 × 610.4 × 87.1 mm (height × width × depth, without base) | 387.8 × 614.2 × 67.7 mm (height × width × depth, without base) |
Weight with standDifferent SourcesBenQ RD280UA Manufacturer specification · BenQ lists “Net Weight” separately from “Net Weight (w/o Base)”, so this figure includes the supplied base; packaging excluded. BenQ RD280UA — exact-model technical specificationsBenQ EW2790U Manufacturer specification · BenQ lists “Net Weight” separately from “Net Weight (w/o Base)”, so this figure includes the supplied base; packaging excluded. BenQ EW2790U — exact-model technical specifications | 11.4 kg | 7.7 kg |
Weight without standDifferent Sources | 7.5 kg | 5.6 kg |
Height-adjustable stand SourcesBenQ RD280UA Manufacturer specification · Height-adjustable stand; travel is listed separately. BenQ RD280UA — exact-model technical specificationsBenQ EW2790U Manufacturer specification · Height-adjustable stand; travel is listed separately. BenQ EW2790U — exact-model technical specifications | Yes | Yes |
Stand height travelDifferent SourcesBenQ RD280UA Manufacturer specification · Manufacturer-listed travel: 130 mm. Not calculated from the external height range. BenQ RD280UA — exact-model technical specificationsBenQ EW2790U Manufacturer specification · Manufacturer-listed travel: 110 mm. Not calculated from the external height range. BenQ EW2790U — exact-model technical specifications | 130 mm | 110 mm |
Stand tiltDifferent SourcesBenQ RD280UA Manufacturer specification · Down/up range as listed by BenQ. BenQ RD280UA — exact-model technical specificationsBenQ EW2790U Manufacturer specification · Down/up range as listed by BenQ. BenQ EW2790U — exact-model technical specifications | -5° - 30° | -5° - 20° |
Swivel-capable stand Sources | Yes | Yes |
Stand swivelDifferent SourcesBenQ RD280UA Manufacturer specification · Left/right range as listed by BenQ. BenQ RD280UA — exact-model technical specificationsBenQ EW2790U Manufacturer specification · Left/right range as listed by BenQ. BenQ EW2790U — exact-model technical specifications | 275°/ 275° | 20°/ 20° |
Stand pivot SourcesBenQ RD280UA Manufacturer specification · Portrait pivot supported; angle listed separately. BenQ RD280UA — exact-model technical specificationsBenQ EW2790U Manufacturer specification · Portrait pivot supported; angle listed separately. BenQ EW2790U — exact-model technical specifications | Yes | Yes |
Published pivot angle Sources | 90° | 90° |
VESA mounting pattern SourcesBenQ RD280UA Manufacturer specification · Match the screw size, monitor weight and the mount’s load rating as well as the hole pattern. BenQ RD280UA — exact-model technical specificationsBenQ EW2790U Manufacturer specification · Match the screw size, monitor weight and the mount’s load rating as well as the hole pattern. BenQ EW2790U — exact-model technical specifications | 100 × 100 mm | 100 × 100 mm |
Listed signal cablesDifferent SourcesBenQ RD280UA Manufacturer specification · BenQ notes that the signal cable may vary by region; check the seller’s listing. BenQ RD280UA — exact-model technical specificationsBenQ EW2790U Manufacturer specification · BenQ notes that the signal cable may vary by region; check the seller’s listing. BenQ EW2790U — exact-model technical specifications | HDMI (v2.0), USB 3.2, USB C | USB C |
Listed accessories SourcesBenQ RD280UA Manufacturer specification · Accessory bundles can vary by market; check the seller’s listing. BenQ RD280UA — exact-model technical specificationsBenQ EW2790U Manufacturer specification · Accessory bundles can vary by market; check the seller’s listing. BenQ EW2790U — exact-model technical specifications | QSG, Warranty Card, Safety Instruction | QSG, Warranty Card, Safety Instruction |
Typical / normal operating powerDifferent SourcesBenQ RD280UA Manufacturer specification · Manufacturer normal-mode figure; brightness, USB devices and charging load change real use. BenQ RD280UA — exact-model technical specificationsBenQ EW2790U Manufacturer specification · Manufacturer normal-mode figure; brightness, USB devices and charging load change real use. BenQ EW2790U — exact-model technical specifications | 34 W | 25 W |
Maximum powerDifferent SourcesBenQ RD280UA Manufacturer specification · Manufacturer power figure under the stated operating mode; real use, brightness, connected USB devices and charging load can differ. BenQ RD280UA — exact-model technical specificationsBenQ EW2790U Manufacturer specification · Manufacturer power figure under the stated operating mode; real use, brightness, connected USB devices and charging load can differ. BenQ EW2790U — exact-model technical specifications | 205 W | 180 W |
Sleep-mode powerDifferent SourcesBenQ RD280UA Manufacturer specification · Manufacturer power figure under the stated operating mode; real use, brightness, connected USB devices and charging load can differ. BenQ RD280UA — exact-model technical specificationsBenQ EW2790U Manufacturer specification · Manufacturer power figure under the stated operating mode; real use, brightness, connected USB devices and charging load can differ. BenQ EW2790U — exact-model technical specifications | <0.5 W | 0.5 W |
Power supply Sources | Built-in | Built-in |
Input voltage Sources | 100 - 240V | 100 - 240V |
Flicker-free backlight claim Sources | Yes | Yes |
Low blue light mode SourcesBenQ RD280UA Manufacturer specification · BenQ lists this as “Low Blue Light Plus”; the product page says it includes Circadian Mode, which automatically adjusts colour temperature through the day. BenQ RD280UA — exact-model technical specificationsBenQ RD280UA — UK product and identityBenQ EW2790U Manufacturer specification · BenQ lists this as “Low Blue Light Plus”; the product page describes a Low Blue Light panel. BenQ EW2790U — exact-model technical specificationsBenQ EW2790U — UK product and identity | Yes | Yes |
Hardware low blue light SourcesBenQ RD280UA Manufacturer specification · BenQ’s TÜV certificate row names “Low Blue light (Hardware Solution)” as well as a separate “Low Blue light (Software Solution)” certificate. BenQ RD280UA — exact-model technical specificationsBenQ EW2790U No source recorded. | Yes | Not provided |
Ambient-light adaptive brightness (B.I. Gen2) SourcesBenQ RD280UA Manufacturer specification · BenQ’s table lists “Brightness Intelligence Gen2 (B.I. Gen2): Yes”; the product page says B.I. Gen2 detects the ambient brightness and automatically adjusts the screen brightness. Colour-temperature adjustment is not stated for this feature. BenQ RD280UA — exact-model technical specificationsBenQ RD280UA — UK product and identityBenQ EW2790U Manufacturer specification · BenQ’s table lists “Brightness Intelligence Plus Gen2 (B.I.+ Gen2): Yes” and the product page names B.I.+ Gen2 as an eye-care function; the same page says its Visual Optimizer dynamically adjusts screen brightness and colour temperature based on ambient lighting. BenQ EW2790U — exact-model technical specificationsBenQ EW2790U — UK product and identity | Yes | Yes |
Listed certificates SourcesBenQ RD280UA Manufacturer specification · Complete “TUV Certificate” row (Certification) and Environmental Standards rows from BenQ’s UK specification table. The product page describes the TÜV Reflection Free certification, TÜV Rheinland’s Low Blue Light certification and Eyesafe 2.0 certification. Manufacturer-listed certificates, not independent measurements or health claims. BenQ RD280UA — exact-model technical specificationsBenQ RD280UA — UK product and identityBenQ EW2790U No source recorded. | TÜV: Eye Comfort 2.0, EyeSafe 2.0, Flicker-free, Low Blue light (Hardware Solution), Low Blue light (Software Solution), Reflection Free; Energy Star 8.0; EPEAT Bronze | Not provided |
Night Hours Protection (minimum brightness) SourcesBenQ RD280UA Manufacturer specification · BenQ’s table lists “Night Hours Protection: Yes”; the product page describes minimum brightness technology for night use, with ambient light detection and auto-switch. No minimum-brightness figure is published. BenQ RD280UA — exact-model technical specificationsBenQ RD280UA — UK product and identityBenQ EW2790U No source recorded. | Yes | Not provided |
Rear ambient light (MoonHalo) SourcesBenQ EW2790U No source recorded. | Yes | Not provided |
Specification market SourcesBenQ RD280UA Manufacturer specification · BenQ UK specification table. BenQ’s US page for the same model was checked separately on 26 September 2026 (see research notes); plugs, bundled accessories and warranty can still differ by market. BenQ RD280UA — exact-model technical specificationsBenQ RD280UA — UK product and identityBenQ EW2790U Manufacturer specification · BenQ UK specification table. BenQ’s US page for the same model was checked separately on 26 September 2026 (see research notes); plugs, bundled accessories and warranty can still differ by market. BenQ EW2790U — exact-model technical specificationsBenQ EW2790U — UK product and identity | UK | UK |
Closest monitors to this pair by shared key specifications. Not a popularity ranking.
Each record represents an explicitly checked model and configuration. Original import: 5 Sept 2026; this is not its verification date. This is not a list of current offers or a popularity ranking.
