AOC AG276UZDAG276UZD · 26.5-inch QD - OLED · AOC UK specification- Screen diagonal
- 26.5 inThis one: 27 in
- USB-C connection
- YesThis one: No
MONITORS
Samsung Odyssey OLED G8 G81SF 27-inch
27-inch OLED · UK specification · Samsung part LS27FG810SUXXU
- Screen diagonal
- 27 in
- Native resolution
- 3840 × 2160
- Refresh rate at native resolution
- 240 Hz
A 27-inch 4K QD-OLED gaming monitor with up to 240 Hz, a 0.03 ms GtG rating, DisplayHDR True Black 400 and FreeSync Premium Pro, plus a Glare Free finish and a stand that adjusts for height, swivel and portrait pivot.
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THE ACTUAL PRODUCT
Compare with AOC AG276UZD
Specifications checked 21 Sept 2026Manufacturer specifications, not a hands-on test.
The nearest checked monitors by key specifications, with what differs from the Samsung Odyssey OLED G8 G81SF 27-inch. The first matches the Compare button above.
AOC AG276UZDAG276UZD · 26.5-inch QD - OLED · AOC UK specification
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- 26.5 inThis one: 27 in
- USB-C connection
- YesThis one: No
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- 26.5 inThis one: 27 in
- Manufacturer response-time claim
- 0.1ms(GTG)This one: 0.03 ms GtG
Key strengths
The 4K QD-OLED panel reaches 240 Hz with a 0.03 ms GtG rating, 99% DCI-P3 coverage and HDR10+ Gaming support.
The stand is height-adjustable, tilts from −2° to 25°, swivels ±30° and pivots ±92° to portrait.
Samsung's warranty covers burn-in from normal use, and OLED Safeguard+ adds a pulsating heat-pipe cooling system and logo and taskbar brightness detection.
Before you buy
There are no built-in speakers and no USB-C port, so video connects over DisplayPort 1.4 or HDMI 2.1.
It needs 263.5 mm of desk depth with the stand, and Samsung does not publish per-input refresh limits for HDMI.
Every specification. With its source.
Full specifications
Exact configuration: LS27FG810SUXXU · 27-inch OLED · Samsung UK specification
66 specifications in 10 groups. Values are manufacturer specifications unless a row says “Measured result” or “Calculated from cited specifications”. 2 rows repeat listed facts in the manufacturer’s own wording, kept under “Manufacturer wording”.
Screen & panel
7 items
- Screen diagonal
- 27 in
Nominal screen-size class; the active diagonal can differ slightly.
Source - Native resolution
- 3840 × 2160
Manufacturer resolution notation: 4K (3,840 x 2,160). See the separate refresh-mode conditions for any lower-resolution configurations.
Source - Panel technology
- QD-OLED
The spec table lists OLED; Samsung's feature copy identifies the screen as QD-OLED.
Source - Aspect ratio
- 16:9Source
- Viewing angles
- 178˚/178˚Source
- Screen surface
- Glare Free (UL-verified)
Samsung says it is 54% less glossy than conventional anti-reflection film, based on its internal tests.
Source - Screen shape
- FlatSource
Refresh & response
9 items
- Refresh rate at native resolution
- 240 Hz
Samsung lists 'Max 240Hz' at 3840 × 2160; refresh rate may vary with the input source. Per-input limits for DisplayPort 1.4 and HDMI 2.1 are not published.
Source - Listed AMD sync support
- FreeSync Premium ProSource
- Listed NVIDIA sync support
- NoSource
- Maximum HDMI refresh at native resolution
- Not listed by the manufacturer
Samsung UK lists HDMI 2.1 and an overall 'Max 240Hz' but no HDMI-specific native-resolution refresh limit.
Source - Declared GtG response
- 0.03 ms
Samsung GtG figure from internal tests; may vary by input source, content and settings.
Source - Adaptive sync
- Yes
AMD FreeSync Premium Pro; needs a compatible source, input and driver.
Source - Named adaptive-sync technology
- AMD FreeSync Premium ProSource
- Declared adaptive-sync range
- Not listed by the manufacturer
Samsung UK does not publish a variable-refresh range.
Source - CoreSync ambient lighting
- Yes
Rear lighting that projects on-screen colours (CoreSync & CoreLighting+).
Source
Manufacturer wording (2)
The same facts in the manufacturer’s combined or original wording, each with its source.
Colour, brightness & HDR
9 items
- Typical brightness
- 250 cd/m²
Manufacturer typical brightness; picture mode and content affect output.
Source - Static contrast
- 1,000,000:1Source
- Display colours
- Max 1B
Manufacturer colour specification in its stated colour space.
Source - HDR formats / certification
- VESA DisplayHDR True Black 400
Manufacturer-listed HDR formats or certification.
Source - HDR10+ configuration
- HDR10+ Gaming
Manufacturer-listed HDR formats or certification.
Source - Declared sRGB gamut
- Not listed by the manufacturer
Samsung UK lists only DCI coverage (99%, CIE 1976) and no sRGB coverage figure.
Source - Factory calibration report
- YesSource
- HDR support
- Yes
VESA DisplayHDR True Black 400 and HDR10+ Gaming as listed by Samsung.
Source - Declared DCI-P3 gamut
- 99% (CIE 1976)
Samsung UK lists 'Color Gamut (DCI Coverage) 99% (CIE1976)'. · Manufacturer colour specification in its stated colour space.
Source
Inputs & connections
10 items
- USB-C connection
- No
Samsung's interface table lists no USB-C connection.
Source - Inputs, connections and versions
- 1 × DisplayPort 1.4; 2 × HDMI 2.1; 1 × USB-B upstream; 2 × USB-A downstream 3.2 Gen1; headphone output
Manufacturer port counts and versions; the source device and cable must support the mode you want.
Source - USB-C charging
- Not listed by the manufacturer
Not applicable: the Samsung UK interface table lists USB-C: No, so no USB-C charging output exists to rate. · Not applicable: Samsung lists no USB-C connector.
Source - Picture-in-picture / picture-by-picture
- YesSource
- HDMI version
- 2.1Source
- DisplayPort version
- 1.4Source
- HDCP version
- 2.2 (DisplayPort and HDMI)Source
- USB hub
- Yes
Needs the USB-B upstream cable connected to a computer for hub data.
Source - USB data connections
- 1 × USB-B upstream; 2 × USB-A downstream (USB 3.2 Gen 1)Source
- KVM switch
- Not listed by the manufacturer
Samsung UK lists a USB hub and Auto Source Switch+ but does not mention a KVM switch.
Source
Stand & mounting
10 items
- Height-adjustable stand
- Yes
Height-adjustable stand; travel is listed separately.
Source - Stand height travel
- Not listed by the manufacturer
Samsung UK lists the height-adjustable stand as '120.0 ±5.0' without a unit.
Source - VESA mounting pattern
- 100 x 100
Match the screw size, monitor weight and the mount's load rating as well as the hole pattern.
Source - Supplied stand type
- HAS PIVOTSource
- Stand tilt
- −2° to +25° (±2° tolerance)Source
- Stand swivel
- −30° to +30° (±3° tolerance)Source
- Stand pivot
- Yes
Portrait pivot supported; angle listed separately.
Source - Published pivot angle
- −92° to +92° (±2° tolerance)Source
- Published stand height-adjustment claim
- 120.0 ±5.0
Samsung lists the height-adjustable stand figure without a unit.
Source - Stand adjustment
- Tilt −2° to 25° (±2°); swivel ±30° (±3°); portrait pivot ±92° (±2°); height adjustable
Samsung lists the height-adjustable stand figure as “120.0 ±5.0” without a unit. · Samsung's tolerances included.
Source
Size, weight & build
8 items
- Dimensions with stand
- 611.7 × 554.2 × 263.5 mm (width × height × depth, with stand)
Manufacturer dimensions in the stated orientation; allow extra room for cables and stand movement. A height range shows the stand's lowest and highest positions.
Source - Depth with stand
- 263.5 mm
Depth from the manufacturer dimension tuple. Allow additional room for cable routing and movement.
Source - Width with stand
- 611.7 mm
Manufacturer width in the listed landscape configuration.
Source - Weight with stand
- 6.9 kg
Net product weight with the supplied stand or arm; packaging excluded.
Source - Dimensions without stand
- 611.7 × 353.8 × 49.2 mm (width × height × depth, without stand)
Manufacturer dimensions in the stated orientation; allow extra room for cables and stand movement. A height range shows the stand's lowest and highest positions.
Source - Weight without stand
- 3.8 kgSource
- Gross shipping weight
- 9.5 kgSource
- Active display area
- 589.97 × 332.9 mm (horizontal × vertical)Source
Power & energy
7 items
- Typical / normal operating power
- 45 W
Manufacturer typical power figure; brightness, USB devices and charging load change real use.
Source - Power supply
- External adapter; AC 100–240 V input
Samsung does not publish the adapter's output rating.
Source - Maximum power
- 140 W
Manufacturer power figure under the stated operating mode; real use, brightness, connected USB devices and charging load can differ.
Source - Standby power
- 0.50 W
Manufacturer power figure under the stated operating mode; real use, brightness, connected USB devices and charging load can differ.
Source - Power when off
- 0.30 W
Manufacturer power figure under the stated operating mode; real use, brightness, connected USB devices and charging load can differ.
Source - Listed energy class
- GSource
- Declared energy consumption
- 66 kWh/year
Manufacturer declared figure under the regulatory test basis; real use differs.
Source
Eye care & features
2 items
- OLED maintenance features
- Samsung OLED Safeguard+: Dynamic Cooling System (pulsating heat pipe); Thermal Modulation System; logo and taskbar brightness detection; screen saver after 10 minutes
Logo detection is not available in PC mode.
Source - Low Blue Light mode
- Yes
Samsung Eye Saver Mode; Flicker Free is also listed.
Source
Box, warranty & identity
2 items
- Manufacturer burn-in warranty wording
- Burn-in from normal use is covered within the warranty; commercial use, abuse and misuse are excluded
Check the purchase market, proof-of-purchase requirements and full manufacturer terms.
Source - Specification market
- UK
UK model specification; US versions can differ in plugs, bundled accessories and warranty.
Source
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