ASUS ROG Swift OLED PG27UCDM / LG UltraGear OLED 27GS95QE-B

ASUS ROG Swift OLED PG27UCDM: PG27UCDM; a single 26.5-inch 4K 240 Hz model. The larger PG32UCDM is a separate monitor.

LG UltraGear OLED 27GS95QE-B: 27GS95QE-B (Y24), 26.5-inch QHD 240 Hz OLED gaming monitor. The earlier 27GR95QE-B and the 480 Hz 27GX790A-B are separate models.

SpecificationASUS ROG Swift OLED PG27UCDMLG UltraGear OLED 27GS95QE-B
Release year20252024
Panel26.5-inch QD-OLED, 16:9; 3840 × 2160 (4K); 0.153 mm pixel pitch

The small pixel pitch (about 166 ppi) makes text and interface edges look sharper than on 27-inch 1440p monitors.

ASUS		26.5-inch (67.3 cm) OLED; 2560 × 1440; 16:9; 0.2292 mm pixel pitch

Although sold in the 27-inch class, the viewable diagonal is 26.5 inches. OLED lights each pixel itself, so there is no backlight bleed.

LG
Refresh rate and VRR240 Hz; 48–240 Hz variable refresh on HDMI and DP/USB-C inputs; FreeSync Premium Pro, G-SYNC Compatible, VESA AdaptiveSync Display 240Hz

All inputs support 240 Hz at 4K; variable refresh prevents tearing and stutter as the game frame rate moves between 48 and 240.

ASUS		—
Response time0.03 ms (GtG)

Grey-to-grey transition time; because OLED pixels change much faster than LCD, motion blur depends mostly on the refresh rate.

ASUS		—
Brightness and contrast1,000 cd/m² HDR peak; 1,500,000:1 typical contrast

1,000 cd/m² is a peak reached on a small area of the screen; a full white screen stays much lower. ASUS gives no typical SDR brightness value.

ASUS		275 nits typical, 250 nits minimum; contrast 1,500,000:1 typical, 1,200,000:1 minimum

LG quotes 275 nits for a full-white screen (100% average picture level); small bright areas can be brighter.

LG
HDRVESA DisplayHDR 400 True Black; HDR10; Dolby Vision

The True Black tier measures OLED’s very low black level; 400 is the minimum peak brightness threshold in the certification test. Dolby Vision support lets compatible sources use scene-by-scene HDR data.

ASUS		—
Colour99% DCI-P3, 145% sRGB; 10-bit (1.07 billion colours); ΔE < 2

ΔE < 2 means factory calibration deviates from target colours by an amount most people cannot see; a calibration report is included.

ASUS		DCI-P3 98.5% typical (90% minimum, CIE1976); 1.07 billion colours; factory calibrated; hardware calibration ready

A printed calibration report is included. Hardware calibration uses LG Calibration Studio with a compatible meter.

LG
Inputs1 × DisplayPort 2.1; 2 × HDMI 2.1 (FRL); 1 × USB-C (DP Alt Mode, 90 W power delivery); headphone jack

USB-C takes video over a single cable and supplies up to 90 W to a laptop. The HDMI 2.1 inputs can be used for 4K 120 Hz on consoles.

ASUS		—
USB and KVM3 × USB-A 5 Gbps (USB 3.2 Gen 1) hub; KVM switch

KVM moves the keyboard and mouse attached to the monitor between two computers when the input is switched.

ASUS		—
SpeakersNone

A headphone jack or external speakers are needed for audio.

ASUS		2 × 2 W LG
OLED protectionASUS OLED Care; Neo Proximity Sensor

OLED Care includes burn-in prevention functions such as pixel cleaning, screen shift, logo brightness adjustment and taskbar detection. The proximity sensor dims the screen when the user leaves, reducing static image time.

ASUS		—
Power consumptionUnder 80 W in operation; under 0.5 W in standby, 0.3 W off ASUS—
Stand and mountingTilt +20°/−5°, swivel ±30°, pivot ±90°, height 0–110 mm; VESA 100 × 100; 1/4-inch tripod socket

The tripod socket is used to mount accessories such as a camera or light on the stand.

ASUS		Tilt, height, swivel and pivot adjustment; 100 × 100 mm VESA LG
Dimensions and weightWith stand 61.03 × 54.95 × 21.88 cm, 7.62 kg; without stand 61.03 × 36.92 × 7.05 cm, 4.97 kg ASUS—
Warranty3 years, including panel burn-in

Warranty terms can vary by country.

ASUS		—
Speed—240 Hz; 0.03 ms (GtG) response time

GtG is the time a pixel takes to change from one grey level to another; lower values reduce motion blur.

LG
HDR and sync—HDR10; VESA DisplayHDR True Black 400; NVIDIA G-SYNC Compatible; AMD FreeSync Premium Pro; VRR

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

LG
Connections—HDMI 2.1; 1 × DisplayPort 1.4 (DSC); USB 3.0 (1 upstream, 2 downstream); optical audio out (SPDIF); 4-pole headphone out, DTS Headphone:X

DSC compression helps carry QHD at 240 Hz over DisplayPort 1.4. There is no USB-C video input.

LG
Power—External adapter (19 V, 7.37 A); under 0.5 W in sleep LG
Size and weight—With stand 604.4 × 574.4 × 258 mm (raised), 604.4 × 464.4 × 258 mm (lowered), 7.35 kg; without stand 604.4 × 350.6 × 45.3 mm, 5.05 kg LG
In the box—2 × HDMI cables, DisplayPort cable, USB A-to-B cable, remote control, adapter, printed calibration report LG