ASUS ROG Swift OLED PG27AQDP / LG UltraGear 27GP750-B

ASUS ROG Swift OLED PG27AQDP: PG27AQDP · 26.5-inch WOLED, 2560 × 1440, 480 Hz; single model

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.

SpecificationASUS ROG Swift OLED PG27AQDPLG UltraGear 27GP750-B
Release year20242021
Panel26.5-inch WOLED; anti-glare surface

WOLED uses a white OLED layer with colour filters; each pixel makes its own light, so blacks switch fully off.

ASUS		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°.

LG
Resolution2560 × 1440, 16:9 ASUS—
Refresh rateUp to 480 Hz

480 Hz improves motion clarity in fast games; reaching it also needs the graphics card to render close to 480 frames.

ASUS		—
Response time0.03 ms (GtG)

GtG is the grey-to-grey pixel transition time, not total input lag.

ASUS		—
Brightness and contrastHDR peak 1,300 cd/m²; contrast 1,500,000:1 (typical)

The peak figure applies to a small part of the screen; ASUS notes that peak brightness may vary with colour pre-calibration.

ASUS		400 cd/m² typical (minimum 320); 1000:1 typical contrast (minimum 700:1) LG
Colour99% DCI-P3, 135% sRGB; 10-bit; ΔE < 2

A colour pre-calibration report is included in the box.

ASUS		—
HDR and certificationsHDR10; VESA DisplayHDR 400 True Black ASUS—
Variable refreshVESA AdaptiveSync Display 480Hz; AMD FreeSync Premium; G-SYNC Compatible

Variable refresh matches the monitor’s rate to the graphics card’s frame rate to prevent tearing.

ASUS		NVIDIA 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.

LG
Video inputs1 × DisplayPort 1.4 (DSC), 2 × HDMI 2.1 (FRL)

DSC compresses the signal in a way considered visually lossless so that 1440p 480 Hz fits within DisplayPort 1.4 bandwidth.

ASUS		—
Other connections2 × USB 3.2 Gen 1 Type-A hub, headphone jack; no speakers ASUS—
StandTilt +20°/−5°, swivel ±30°, pivot ±90°, height 0–110 mm; 100 × 100 VESA; 1/4-inch tripod socket ASUS—
Power consumptionUnder 27 W in use; under 0.5 W standby, 0.3 W off ASUS—
Size and weightWith stand 60.5 × 54.8 × 27.4 cm, 6.2 kg; without stand 60.5 × 35.1 × 5.0 cm, 3.5 kg

ASUS states the dimensions are estimates and may vary by region.

ASUS		Without stand 614.2 × 364.8 × 51.7 mm, 3.9 kg; with stand 6 kg LG
Warranty3 years, including OLED burn-in

Burn-in is when long-static images leave a mark on an OLED panel; the OLED Care features aim to reduce it.

ASUS		—
In the boxDisplayPort cable, Ultra High Speed HDMI cable, USB 3.2 cable, power adapter, VESA mount kit, calibration report, ROG pouch ASUS—
Refresh and response—Up 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.

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.

LG
Connections—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.

LG
Stand and mounting—Height, tilt and pivot adjustment; VESA 100 × 100

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

LG
Power—External adapter; 45 W typical, 48 W maximum; under 0.5 W in sleep LG