LG UltraGear evo GX9 39GX950B-B: 39GX950B-B · 38.86-inch · 5K2K · black
Dell UltraSharp U2725QE: U2725QE · 27-inch
| Specification | LG UltraGear evo GX9 39GX950B-B | Dell UltraSharp U2725QE |
|---|---|---|
| Release year | 2026 | 2025 |
| Display | 38.86-inch OLED · 5120 × 2160 · 21:9 LG | 27-inch IPS Black; 3840 × 2160; 163 ppi; anti-glare surface Dell |
| Curvature | 1500R LG | — |
| Pixel pitch | 0.1776 × 0.1776 mm LG | — |
| Refresh rate | 165 Hz (5120 × 2160) LG | 120 Hz; 48–120 Hz variable refresh Dell |
| Dual-Mode | 330 Hz at 2560 × 1080 in the 21:9 modes; 330 Hz at 1920 × 1080 in the 16:9 modes LG | — |
| Pixel response | 0.03 ms GtG LG | — |
| Brightness | 335 nits typical; 300 nits minimum LG | 450 nits typical; 600 nits peak; HDR 600 Dell |
| Peak HDR brightness | 1500 nits LG | — |
| HDR formats | HDR10; VESA DisplayHDR True Black 500; no Dolby Vision LG | — |
| Colour coverage | DCI-P3 99.5% typical, 94% minimum (CIE1976); 1.07 billion colours LG | — |
| Contrast ratio | 1,850,000:1 typical; 1,480,000:1 minimum LG | — |
| Surface | Anti-glare, low-reflection front polarizer LG | — |
| Calibration | Factory calibrated; hardware-calibration ready (LG Calibration Studio) LG | — |
| Variable refresh | G-SYNC Compatible; FreeSync Premium Pro LG | — |
| DisplayPort | 1 × DisplayPort 2.1; UHBR20 LG | — |
| HDMI | 2 × HDMI 2.1 LG | — |
| USB-C input | 1 × USB-C; video, data and up to 90 W power LG | — |
| USB hub | USB-C upstream; 2 × downstream USB 3.2 Gen 2 LG | Thunderbolt 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 |
| Multiple sources | 2 × PBP and PIP; no built-in KVM LG | Built-in KVM; PiP and PbP Dell |
| Audio | 2 × 7 W speakers; 4-pole headphone output; AI Sound LG | 3.5 mm analogue line-out; no built-in speakers Dell |
| Stand | Tilt −8° / +15°; ±30° swivel; 110 mm height adjustment LG | 150 mm height; −5°/+21° tilt; ±45° swivel; ±90° pivot Dell |
| Wall mount | 100 × 100 mm; 4 × M4 × L10 screws; optional LSW149 plate LG | — |
| Dimensions | 921.4 × 605.4 × 322.8 mm with stand (up); 921.4 × 495.4 × 322.8 mm (down); 921.4 × 405.0 × 118.7 mm without stand LG | — |
| Weight | 10.7 kg with stand; 6.8 kg without LG | — |
| Power | External adapter; 40.3 W on-mode in SDR, 45.9 W in HDR LG | — |
| OLED care | Screen saver; Image Cleaning of about 10 minutes LG | — |
| Lighting | Unity Hexagon Lighting 2.0 on the back LG | — |
| Warranty | 2 years; OLED panel included LG | 3-year limited hardware warranty; Advanced Exchange Dell |
| Rated contrast | — | 3000:1 native contrast Dell |
| Colour | — | 1.07 billion colours; 100% sRGB and Rec.709; 99% DCI-P3 and Display P3; factory calibration average ΔE < 1.5 Dell |
| Response time | — | 5 ms GtG (fast mode); 8 ms GtG Dell |
| Thunderbolt 4 | — | 1 × upstream: video (DP 1.4, DSC), data and 140 W EPR charging; 1 × downstream: daisy chain, 15 W Dell |
| Video inputs | — | 1 × HDMI 2.1 (4K 120 Hz, VRR); 1 × DisplayPort 1.4 in (DSC, HDCP 2.2); 1 × DisplayPort out Dell |
| Power delivery | — | Up to 140 W EPR Dell |
| Ethernet | — | 2.5 GbE Dell |
| Eye comfort and sensor | — | ComfortView Plus (blue light ≤ 35%); TÜV 5-star eye comfort; ambient light sensor Dell |
| VESA | — | 100 × 100 mm Dell |
| Panel without stand | — | 612.44 × 353.51 × 55.60 mm; 5.22 kg Dell |
| Weight with stand | — | 7.06 kg (with stand and cables) Dell |
| Power consumption | — | 25.4 W operating; 325 W maximum; 0.5 W standby; 0.3 W off Dell |
| In the box | — | Power cable; 1.8 m DisplayPort 1.4; 1 m USB-A to USB-C; 1 m passive Thunderbolt 4 cable Dell |
| Firmware | — | M2T102 (A01, 19 August 2025) Dell |