LG UltraGear 27GX700A-B / LG UltraGear 27GP750-B

LG UltraGear 27GX700A-B: 27GX700A-B: 26.5-inch QHD 280 Hz OLED gaming monitor. The 480 Hz 27GX790A-B and the 240 Hz 27GS95QE are separate models.

LG UltraGear 27GP750-B: 27GP750-B; 27-inch Full HD 240 Hz IPS gaming monitor (Canadian spec table). The higher-resolution 27GP850-B and the OLED UltraGear models are separate products.

SpecificationLG UltraGear 27GX700A-BLG UltraGear 27GP750-B
Release year20252021
Panel26.5-inch OLED, 4th-generation Primary RGB Tandem; 2560 × 1440 (QHD), 0.2292 mm pixel pitch

In a tandem structure light comes from more than one OLED layer; LG associates this with higher brightness and lifetime.

LG		27-inch (68.5 cm) IPS; 1920 × 1080; 16:9; pixel pitch 0.3108 mm

A 0.31 mm pixel pitch works out to about 82 ppi at 27 inches. Viewing angles are 178°/178°.

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Refresh and response280 Hz; 0.03 ms (GtG) LGUp to 240 Hz; 1 ms (GtG, in Faster mode)

LG quotes 1 ms for grey-to-grey transitions at the fastest overdrive setting. Dynamic Action Sync aims to reduce input lag, and Black Stabilizer brings out detail in dark scenes.

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BrightnessTypical 335 cd/m², minimum 300 cd/m²; up to 1500 nits peak according to LG

The peak value applies to a small part of the screen in HDR content; brightness on a full white screen is much lower.

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Contrast and colour1,500,000:1; DCI-P3 99.5%; 1.07 billion colours

The monitor is factory calibrated and ready for hardware calibration.

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HDRVESA DisplayHDR True Black 500; HDR10 LG—
Variable refreshAMD FreeSync Premium Pro, NVIDIA G-SYNC Compatible, VESA AdaptiveSync LGNVIDIA G-SYNC Compatible; AMD FreeSync Premium

Variable refresh matches the monitor’s refresh rate to the graphics card’s frame rate to reduce tearing and stutter.

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Connections2 × HDMI 2.1, 1 × DisplayPort 1.4 (DSC), USB 3.0 (1 upstream, 2 downstream), 4-pole headphone out

QHD at 280 Hz is reached over DisplayPort 1.4 using DSC compression. There are no built-in speakers.

LG		2 × HDMI; 1 × DisplayPort 1.4; 3.5 mm headphone out

A DisplayPort cable is in the box. There are no built-in speakers or USB hub.

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Gaming featuresDual Controller, crosshair, FPS counter; hexagon lighting at the back LG—
Stand and mountingTilt −5–15°, swivel ±30°, height 110 mm, pivot; VESA 100 × 100 LGHeight, tilt and pivot adjustment; VESA 100 × 100

Height adjustment changes the overall height with the stand between 465.9 and 575.9 mm.

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PowerExternal adapter, AC 100–240 V; under 0.5 W in sleep, under 0.3 W off LGExternal adapter; 45 W typical, 48 W maximum; under 0.5 W in sleep LG
Size and weightWithout stand 605.2 × 351.0 × 45.3 mm, 4.8 kg; with stand 605.2 × 579.3 (469.3 at lowest) × 249.1 mm, 9.0 kg LGWithout stand 614.2 × 364.8 × 51.7 mm, 3.9 kg; with stand 6 kg LG
Brightness and contrast—400 cd/m² typical (minimum 320); 1000:1 typical contrast (minimum 700:1) LG
Colour and HDR—99% sRGB typical (minimum 95%, CIE1931); 16.7 million colours; HDR10; factory calibrated

HDR10 signals are accepted; LG lists no DisplayHDR certification in the spec table, and typical brightness is 400 cd/m².

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