LG UltraGear evo GX9 39GX950B-B: 39GX950B-B · 38.86-inch · 5K2K · black
MSI MPG 271QR QD-OLED X50: 3CF4 · 9S6-3CF49T-001, black, 26.5-inch
| Specification | LG UltraGear evo GX9 39GX950B-B | MSI MPG 271QR QD-OLED X50 |
|---|---|---|
| Release year | 2026 | 2025 |
| Display | 38.86-inch OLED · 5120 × 2160 · 21:9 LG | — |
| Curvature | 1500R LG | — |
| Pixel pitch | 0.1776 × 0.1776 mm LG | — |
| Refresh rate | 165 Hz (5120 × 2160) LG | Up to 500 Hz MSI |
| 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 | — |
| 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 | Anti-reflection coating MSI |
| 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 | 1 × DP 2.1a UHBR20 MSI |
| HDMI | 2 × HDMI 2.1 LG | 2 × HDMI 2.1; 1440p 500 Hz support MSI |
| 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 | 2 × USB-A 5 Gbit/s; 1 × USB-B 5 Gbit/s upstream MSI |
| Multiple sources | 2 × PBP and PIP; no built-in KVM LG | PIP / PBP MSI |
| Audio | 2 × 7 W speakers; 4-pole headphone output; AI Sound LG | — |
| Stand | Tilt −8° / +15°; ±30° swivel; 110 mm height adjustment LG | — |
| 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 | Internal power board; 100–240 V, 50/60 Hz MSI |
| 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 | — |
| Release year | — | 2025 MSI |
| Panel | — | 26.5-inch flat QD-OLED MSI |
| Active area | — | 590.42 × 333.72 mm MSI |
| Resolution and aspect ratio | — | 2560 × 1440; 16:9 MSI |
| Variable refresh range | — | 48–500 Hz MSI |
| Synchronization | — | G-SYNC Compatible; AMD FreeSync Premium Pro MSI |
| Response time | — | Claimed 0.03 ms GtG; not input lag MSI |
| SDR brightness | — | 300 nits typical MSI |
| HDR brightness | — | True Black 500: 515 nits at 10% APL; Peak 1000: 1000 nits typical at 3% APL MSI |
| HDR certification | — | VESA DisplayHDR True Black 500 MSI |
| Color depth | — | 10-bit; 1.07 billion colors MSI |
| DCI-P3 | — | Claimed 99% coverage MSI |
| USB-C | — | DisplayPort Alt Mode and USB Power Delivery MSI |
| KVM | — | Switch one keyboard/mouse between computers MSI |
| Headphones | — | Headphone output MSI |
| Panel care | — | OLED Care 3.0; pixel shift and panel protection MSI |
| Presence sensor | — | AI Care Sensor; monitor or system control mode MSI |
| Height | — | 110 mm adjustment MSI |
| Tilt and rotation | — | −5°–20° tilt; ±30° swivel, ±90° pivot MSI |
| VESA | — | 100 × 100 mm MSI |
| Dimensions with stand | — | 609.3 × 241.9 × 416.1 mm (W × D × H) MSI |
| Net weight | — | 8.4 kg MSI |