ASUS ROG Swift OLED PG34WCDM / LG UltraGear 27GP750-B

ASUS ROG Swift OLED PG34WCDM: PG34WCDM (2024). 34-inch class (33.94-inch) 800R curved WOLED.

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 PG34WCDMLG UltraGear 27GP750-B
Release year20242021
Panel33.94-inch WOLED; 3440 × 1440; 21:9; 800R curve; anti-glare (matte) surface

800R means the screen curves like an arc of a circle with an 800 mm radius. Pixel pitch is 0.231 mm.

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
Refresh rate and response240 Hz; 0.03 ms (GtG); Adaptive-Sync VRR

ASUS lists VESA AdaptiveSync Display 240Hz, AMD FreeSync Premium Pro and G-SYNC Compatible certification.

ASUS		—
Brightness and HDR1300 cd/m² HDR peak brightness; HDR10; VESA DisplayHDR 400 True Black

ASUS gives this figure, asterisked, as peak HDR brightness; it is not sustained full-screen brightness.

ASUS		—
Colour10-bit (1.07 billion colours); DCI-P3 99%, sRGB 135%; ΔE ≤ 2; 1,500,000:1 contrast

A factory colour calibration report is in the box.

ASUS		—
Video inputs1 × DisplayPort 1.4 (DSC); 2 × HDMI 2.1 (FRL); 1 × USB-C (DP Alt Mode, 90 W power)

The USB-C input can take video from a laptop over one cable while charging it at up to 90 W. All three inputs support vertical frequencies up to 240 Hz.

ASUS		—
Other connections and featuresUSB hub: 2 × USB 3.2 Gen 1 Type-A, 1 × USB 2.0 Type-A; KVM switch; optical audio (S/PDIF) out; headphone out; no built-in speakers; proximity sensor

With KVM a keyboard and mouse plugged into the monitor can be shared between two computers.

ASUS		—
Power31 W consumption; external power adapter; 100–240 V ASUSExternal adapter; 45 W typical, 48 W maximum; under 0.5 W in sleep LG
Stand and mountingTilt +20° / −5°, swivel ±15°, height 0–110 mm; VESA 100 × 100 mm; 1/4-inch tripod socket; Kensington lock

The tripod socket is for mounting a camera or light on top of the stand.

ASUS		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
Size and weightWith stand 78.6 × 55.1 × 29.3 cm and 8.4 kg; without stand 78.6 × 37.2 × 16.1 cm and 5.6 kg

ASUS notes dimensions and weight may vary by region.

ASUS		Without stand 614.2 × 364.8 × 51.7 mm, 3.9 kg; with stand 6 kg LG
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
Variable refresh—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
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.

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