LG UltraGear 27G810A-B / ASUS ROG Swift OLED PG34WCDM

LG UltraGear 27G810A-B: 27G810A-B, a 27-inch 4K IPS gaming monitor (black). 4K 240 Hz Dual Mode models and the 32GR93U are separate products.

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

SpecificationLG UltraGear 27G810A-BASUS ROG Swift OLED PG34WCDM
Release year20262024
Panel27-inch IPS; 3840 × 2160; 16:9

IPS panels offer wide viewing angles and consistent colour; black level stays behind OLED and VA panels.

LG		33.94-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
Pixel densityPixel pitch 0.1554 mm (about 163 ppi)

A small pixel pitch makes text sharper; 4K at 27 inches makes interface elements smaller.

LG		—
Refresh rate180 Hz at 4K; 360 Hz at Full HD with Dual Mode

Dual Mode lowers the resolution to Full HD to allow a higher refresh rate; the image is less sharp in that mode.

LG		—
Response time1 ms GtG (at the Faster setting)

LG gives this figure for the fastest response time setting; it gives no figure for other settings.

LG		—
Brightness and contrastTypical 400 cd/m² (minimum 320); contrast 1000:1

1000:1 contrast is typical for IPS; blacks can look grey in a dark room.

LG		—
HDRHDR10; VESA DisplayHDR 400

DisplayHDR 400 is VESA’s lowest HDR certification tier; HDR content plays but bright highlights stay limited.

LG		—
ColourDCI-P3 95% (typical, CIE1976); 1.07 billion colours; factory calibration

DCI-P3 coverage describes how much of the wide colour space used in films and games can be shown.

LG		10-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
SyncNVIDIA G-Sync Compatible, AMD FreeSync, VESA Adaptive-Sync

Variable refresh matches the screen to the graphics card’s frame rate, reducing tearing and stutter.

LG		—
Video inputs2 HDMI 2.1, 1 DisplayPort 1.4 (DSC)

DSC uses visually lossless compression to fit a 4K 180 Hz signal into DisplayPort 1.4 bandwidth.

LG		1 × 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
USB1 USB 3.0 upstream, 2 USB 3.0 downstream; no USB-C

The USB ports act as a hub; no USB-C connection for video or charging is listed.

LG		—
AudioHeadphone out; DTS Headphone:X; no built-in speakers listed

Headphones or external speakers are needed for sound.

LG		—
StandHeight, tilt, swivel and pivot adjustment; VESA 100 × 100

Pivot lets the screen be used in portrait; VESA 100 × 100 fits standard monitor arms.

LG		—
PowerExternal adapter; 100–240 V; under 0.5 W in sleep

The external adapter keeps the monitor thinner but takes extra space on the desk.

LG		31 W consumption; external power adapter; 100–240 V ASUS
Size and weightWith stand 24.2 × 21.0 × 8.7 in (raised), 16.3 lb (about 7.4 kg); without stand 24.2 × 14.6 × 2.0 in, 10.8 lb (about 4.9 kg)

Use the weight without the stand when choosing a monitor arm.

LG		With 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
In the boxDisplayPort and HDMI cables

No USB upstream cable is listed.

LG		—
Refresh rate and response—240 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 HDR—1300 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
Other connections and features—USB 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
Stand and mounting—Tilt +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