LG UltraFine 40U990A 40" White 2025
LG
86 Overall Score
vs
ASUS ROG Strix XG27UCDMG 26.5" Black 2025
ASUS
100 Overall Score
Scores
Office
Gaming
Professional
Creative
Entertainment
Portable
Specifications
| LG UltraFine 40U990A 40" | ASUS ROG Strix XG27UCDMG 26.5" | |
|---|---|---|
| Display | ||
| Size | 39.7" | 27" |
| Resolution | 5120 x 2160 | 3840 x 2160 |
| Panel Type | IPS | OLED★ |
| Aspect Ratio | 21:9 | 16:9 |
| Curved | ✓ | ✗ |
| Curvature | 2,500 | — |
| Performance | ||
| Refresh Rate | 120 Hz | 240 Hz★ |
| Response Time | 5 ms | 0.029999999329447746 ms★ |
| Adaptive Sync | FreeSync Premium | FreeSync Premium Pro★ |
| Color & HDR | ||
| Brightness | 450 nits | 450 nits |
| Color Gamut | 99% DCI-P3 | 99% DCI-P3, 145% sRGB |
| Color Depth | 10-bit | 10-bit |
| HDR | HDR10 | DisplayHDR True Black 400 |
| HDR Support | HDR10★ | HDR400 |
| Connectivity | ||
| HDMI Ports | 2 | 2 |
| DisplayPort | 1 | 1 |
| USB-C | 2★ | 1 |
| Thunderbolt | Thunderbolt 5 | — |
| Speakers | ✓★ | ✗ |
| Headphone Jack | ✓ | ✓ |
| Ergonomics | ||
| Height Adjustable | ✓ | ✓ |
| Tilt | ✓ | ✓ |
| Swivel | ✓ | ✓ |
| Pivot | ✗ | ✓★ |
| VESA Mount | 100x100 | 100x100 |
| Features | ||
| Webcam | ✗ | ✗ |
| Touchscreen | ✗ | ✗ |
| PIP/PBP | ✓ | ✓ |
| Power | 45W★ | 80W |
| Weight | 14.11 kg | 7.44 kg★ |
Pros & Cons
LG UltraFine 40U990A 40" White 2025
- Strong connectivity (99th percentile)99th %ile
- Strong display (99th percentile)99th %ile
- Strong color (97th percentile)97th %ile
- Strong feature (97th percentile)97th %ile
ASUS ROG Strix XG27UCDMG 26.5" Black 2025
- Strong social proof (99th percentile)99th %ile
- Strong user sentiment (99th percentile)99th %ile
- Strong performance (98th percentile)98th %ile
- Strong display (98th percentile)98th %ile
Pricing
LG UltraFine 40U990A 40" White 20250.048score per dollar
vs
ASUS ROG Strix XG27UCDMG 26.5" Black 20250.150score per dollar
ASUS ROG Strix XG27UCDMG 26.5" Black 2025 offers 3.1x better value for money
LG UltraFine 40U990A 40" White 2025
ASUS ROG Strix XG27UCDMG 26.5" Black 2025
Verdict
Winner: ASUS ROG Strix XG27UCDMG 26.5"
Scores 100 overall, wins 5 of 6 usage categories and 6 of 30 specs.
