LG 27U631A-B 27" Black 2025
A 27-inch 1440p IPS panel with 100Hz refresh and 5ms response time pairs with a USB-C port that delivers 15W power delivery. Slim bezels and VESA compatibility offer flexible mounting, while the 99% sRGB color gamut and HDR10 support ensure vivid visuals for office work. This monitor suits home-office users and students who need a crisp 1440p panel with smooth scrolling and single-cable USB-C connectivity for their laptops.
Screen 27
Resolution 2560x1440
Panel IPS
Refresh 100 Hz
response time ms 5
adaptive sync Adaptive-Sync
HDR HDR10
64 Overall Score
Price £0
Snapshot
Pros & Cons
Pros
- Strong social proof (95th percentile) 95th
- Strong feature (72th percentile) 72th
- Strong display (69th percentile) 69th
Cons
- Below average user sentiment (29th percentile)
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.
Owner sentiment has improved over time
72/100Our AI sentiment read
Based on 71 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Display
| Size | 27" |
| Resolution | 2560 (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" | Samsung Odyssey Neo G9 LS57CG952NNXZA | ASUS ROG Strix XG27AQDMG | Dell UltraSharp U4025QW | MSI MPG 272URX QD-OLED | Alienware AW-Series AW3425DW |
|---|---|---|---|---|---|---|
| Screen Size | 27 | 57 | 26.5 | 39.70000076293945 | 27 | 34 |
| Resolution | 2560x1440 | DUHD | 2560 x 1440 | 5120 x 2160 | 3840x2160 | 3440x1440 |
| Panel Type | IPS | VA | OLED | IPS | OLED | QD-OLED |
| Refresh Rate | 100 | 240 | 240 | 120 | 240 | 240 |
| Response Time Ms | 5 | 1 | 0.029999999329447746 | 5 | 0.029999999329447746 | 0.029999999329447746 |
| Adaptive Sync | Adaptive-Sync | FreeSync Premium Pro | FreeSync Premium Pro | Adaptive-Sync | G-Sync Compatible | FreeSync Premium Pro |
| Hdr | HDR10 | DisplayHDR 1000 | HDR10 | DisplayHDR 600 | DisplayHDR True Black 400 | DisplayHDR 400 True Black |
| Compare | Compare | Compare | Compare | Compare |
| Product | Color | Compact | Display | Feature | User Sentiment | Ergonomic | Performance | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|---|
| LG 27U631A-B 27" | 56.5 | 63.8 | 69 | 72 | 28.5 | 48.3 | 52.9 | 45.8 | 95.4 |
| Samsung Odyssey Neo G9 LS57CG952NNXZA Compare | 99.1 | 74 | 99.7 | 97.3 | 0 | 90.3 | 87.3 | 95.3 | 95.4 |
| ASUS ROG Strix XG27AQDMG Compare | 96.4 | 74 | 75.6 | 72 | 95.7 | 90.3 | 97.9 | 93.1 | 86 |
| Dell UltraSharp U4025QW Compare | 97.5 | 82.4 | 98.3 | 97.3 | 75.7 | 71.9 | 56 | 99.3 | 98.3 |
| MSI MPG 272URX QD-OLED Compare | 95.7 | 63.8 | 97.3 | 86 | 75.7 | 90.3 | 97.9 | 81.9 | 75.7 |
| Alienware AW-Series AW3425DW Compare | 98.3 | 79.9 | 85.3 | 91.6 | 0 | 90.3 | 97.9 | 95.3 | 95.4 |
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
