LG 27U631A-B 27" Black 2025
The 27-inch QHD IPS panel with 99% sRGB coverage and HDR10 support delivers vivid, color-accurate visuals at wide viewing angles. Its built-in webOS platform and Switch app turn the display into a standalone multitasking and streaming hub with USB-C connectivity for a clutter-free desk. This monitor is best for home office users and students who want a sharp, versatile display for productivity and casual streaming, with just enough 100Hz smoothness for light gaming.
Snapshot
Pros & Cons
Pros
- Strong social proof (90th percentile) 90th
- Strong feature (72nd percentile) 72nd
- Strong display (69th percentile) 69th
Cons
What owners think
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews - so you can see whether early praise held up.
Based on 81 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Display
| Size | 27" |
| Resolution | 2560x1440 (QHD) |
| Panel Type | IPS |
| Aspect Ratio | 16:9 |
| Curved | No |
Performance
| Refresh Rate | 100 Hz |
| Response Time | 5 |
| Adaptive Sync | Adaptive-Sync |
Color & HDR
| Brightness | 250 nits |
| Color Gamut | 99% sRGB |
| Color Depth | 16.7 Million |
| HDR | HDR10 |
| HDR Support | HDR10 |
Connectivity
| HDMI Ports | 1 |
| USB-C | 1 |
| Speakers | No |
| Headphone Jack | Yes |
Ergonomics
| Height Adjustable | No |
| Tilt | Yes |
| Swivel | No |
| Pivot | No |
| VESA Mount | 100x100 |
Features
| Webcam | No |
| Touchscreen | No |
| PIP/PBP | No |
| Weight | 4.4 kg / 9.7 lbs |
vs Competition
| Spec | LG 27U631A-B 27" | ASUS ROG Strix XG27AQDMG | MSI MAG 271QPX QD-OLED E2 | Samsung Odyssey G60SD | Dell UltraSharp U4025QW | Alienware AW-Series AW2725D |
|---|---|---|---|---|---|---|
| Screen Size | 27 | 26.5 | 27 | 27 | 39.70000076293945 | 27 |
| Resolution | 2560 x 1440 | 2560 x 1440 | 2560 x 1440 | 2560 x 1440 | 5120 x 2160 | 2560 x 1440 |
| Panel Type | IPS | OLED | QD-OLED | QD-OLED | IPS | QD-OLED |
| Refresh Rate | 100 | 240 | 240 | 360 | 120 | 280 |
| Response Time Ms | 5 | 0.029999999329447746 | 0.029999999329447746 | 0.029999999329447746 | 5 | 0.029999999329447746 |
| Adaptive Sync | Adaptive-Sync | FreeSync Premium Pro | FreeSync Premium Pro | FreeSync Premium Pro | Adaptive-Sync | FreeSync Premium Pro |
| Hdr | HDR10 | HDR10 | DisplayHDR True Black 400 | HDR10+ | DisplayHDR 600 | DisplayHDR 400 True Black |
| Compare | Compare | Compare | Compare | Compare |
| Product | Color | Portability | Display | Feature | User Sentiment | Ergonomic | Performance | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|---|
| LG 27U631A-B 27" | 56.7 | 63.5 | 69.3 | 72.1 | 46.2 | 49.3 | 53.4 | 46.3 | 90.4 |
| ASUS ROG Strix XG27AQDMG Compare | 96.7 | 73.6 | 75.8 | 72.1 | 95.8 | 90.5 | 98 | 93.5 | 90.4 |
| MSI MAG 271QPX QD-OLED E2 Compare | 99 | 63.5 | 76.6 | 85.9 | 95.8 | 90.5 | 98 | 82.1 | 99.5 |
| Samsung Odyssey G60SD Compare | 90.9 | 45.2 | 76.6 | 72.1 | 95.8 | 90.5 | 99.6 | 87.9 | 95.3 |
| Dell UltraSharp U4025QW Compare | 97.8 | 82.2 | 95.5 | 97.1 | 0 | 90.5 | 56.6 | 99.3 | 95.3 |
| Alienware AW-Series AW2725D Compare | 98.4 | 84.9 | 76.6 | 72.1 | 95.8 | 90.5 | 99.3 | 95.5 | 99.9 |
Price
Value & Pricing
We started tracking prices for this product on May 3, 2026. The chart appears once we have more data.
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
