Dell UltraSharp U2725QE / LG UltraGear 27GX700A-B

Dell UltraSharp U2725QE: U2725QE · 27-inch

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.

SpecificationDell UltraSharp U2725QELG UltraGear 27GX700A-B
Release year20252025
Display27-inch IPS Black; 3840 × 2160; 163 ppi; anti-glare surface Dell—
Refresh rate120 Hz; 48–120 Hz variable refresh

Variable refresh works over HDMI 2.1; dynamic refresh rate (DRR) over DisplayPort is also listed for Windows.

Dell		—
Brightness450 nits typical; 600 nits peak; HDR 600 DellTypical 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.

LG
Rated contrast3000:1 native contrast

IPS Black targets darker blacks than conventional IPS; it does not give per-pixel black like OLED or local-dimming displays.

Dell		—
Colour1.07 billion colours; 100% sRGB and Rec.709; 99% DCI-P3 and Display P3; factory calibration average ΔE < 1.5 Dell—
Response time5 ms GtG (fast mode); 8 ms GtG

Pixel transition specification, not total input lag.

Dell		—
Thunderbolt 41 × upstream: video (DP 1.4, DSC), data and 140 W EPR charging; 1 × downstream: daisy chain, 15 W

Two 4K monitors can run from one computer through a Thunderbolt 4 daisy chain.

Dell		—
Video inputs1 × HDMI 2.1 (4K 120 Hz, VRR); 1 × DisplayPort 1.4 in (DSC, HDCP 2.2); 1 × DisplayPort out Dell—
USB hubThunderbolt 4 or USB-C upstream (10 Gbit/s); 2 × USB-C (10 Gbit/s, 15 W); 4 × USB-A (10 Gbit/s, one with BC 1.2 charging) Dell—
Power deliveryUp to 140 W EPR

Requires a compatible computer and cable.

Dell		—
Ethernet2.5 GbE Dell—
Audio3.5 mm analogue line-out; no built-in speakers Dell—
Multiple sourcesBuilt-in KVM; PiP and PbP

KVM switches one keyboard and mouse between two computers; PiP/PbP show two sources at once.

Dell		—
Eye comfort and sensorComfortView Plus (blue light ≤ 35%); TÜV 5-star eye comfort; ambient light sensor

The sensor can adjust brightness and colour temperature automatically; see owner experiences for firmware-related issues.

Dell		—
Stand150 mm height; −5°/+21° tilt; ±45° swivel; ±90° pivot Dell—
VESA100 × 100 mm Dell—
Panel without stand612.44 × 353.51 × 55.60 mm; 5.22 kg Dell—
Weight with stand7.06 kg (with stand and cables) Dell—
Power consumption25.4 W operating; 325 W maximum; 0.5 W standby; 0.3 W off Dell—
In the boxPower cable; 1.8 m DisplayPort 1.4; 1 m USB-A to USB-C; 1 m passive Thunderbolt 4 cable Dell—
Warranty3-year limited hardware warranty; Advanced Exchange

Terms from the UK model page; may vary by country.

Dell		—
FirmwareM2T102 (A01, 19 August 2025)

Dell says it targets wake-from-sleep, USB dropping to 480 Mbit/s on MacBooks, auto brightness/colour temperature sensing and daisy-chained displays not waking.

Dell		—
Panel—26.5-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
Refresh and response—280 Hz; 0.03 ms (GtG) LG
Contrast and colour—1,500,000:1; DCI-P3 99.5%; 1.07 billion colours

The monitor is factory calibrated and ready for hardware calibration.

LG
HDR—VESA DisplayHDR True Black 500; HDR10 LG
Variable refresh—AMD FreeSync Premium Pro, NVIDIA G-SYNC Compatible, VESA AdaptiveSync LG
Connections—2 × 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
Gaming features—Dual Controller, crosshair, FPS counter; hexagon lighting at the back LG
Stand and mounting—Tilt −5–15°, swivel ±30°, height 110 mm, pivot; VESA 100 × 100 LG
Power—External adapter, AC 100–240 V; under 0.5 W in sleep, under 0.3 W off LG
Size and weight—Without 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 LG