LG UltraFine 40U990A 40" White 2025
LG
85 Overall Score
vs
Alienware AW-Series AW3425DW 34.2" Interstellar Indigo 2026
Alienware
94 Overall Score
What Buyers Say
LG UltraFine 40U990A 40" White 2025
No customer feedback yet
Alienware AW-Series AW3425DW 34.2" Interstellar Indigo 2026
92 out of 100 medium confidence 22 reviews
This OLED ultrawide monitor is overwhelmingly praised for its stunning colors, true blacks, and immersive curve. Users describe it as a premium, high-end display that enhances gaming and movie watching, though some note that not all games are optimized for the ultrawide aspect ratio. The main drawbacks mentioned are the high price and occasional shipping damage, but overall, it's considered a worthwhile investment.
Pros
- Vibrant OLED colors
- True black levels
- Immersive ultrawide curve
- Smooth high refresh rate
- Premium build quality
Cons
- High price
- Not all games optimized for ultrawide
- Shipping damage risk
Picture quality 7
Ultrawide experience 5
Gaming performance 4
Build quality 3
Value for money 3
Shipping damage 1
Scores
Office
Gaming
Entertainment
Professional
Creative
Portable
Specifications
| LG UltraFine 40U990A 40" | Alienware AW-Series AW3425DW 34.2" | |
|---|---|---|
| Display | ||
| Size | 39.7" | 34" |
| Resolution | 5120 x 2160 | 3440 x 1440 |
| Panel Type | IPS | QD-OLED★ |
| Aspect Ratio | 21:9 | 21:9 |
| Curved | ✓ | ✓ |
| Curvature | 2,500 | 1,800 |
| Screen Finish | matte | matte |
| 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 | 1000 nits★ |
| Color Gamut | 99% DCI-P3 | 99.3% DCI-P3 |
| Color Depth | 10-bit | 10-bit |
| HDR | HDR10 | DisplayHDR 400 True Black |
| HDR Support | HDR10★ | HDR400 |
| Connectivity | ||
| HDMI Ports | 2 | 2 |
| DisplayPort | 1 | 1 |
| USB-C | 2★ | 1 |
| Thunderbolt | Thunderbolt 5 | 0 |
| Speakers | ✓★ | ✗ |
| Headphone Jack | ✓★ | ✗ |
| Ergonomics | ||
| Height Adjustable | ✓ | ✓ |
| Tilt | ✓ | ✓ |
| Swivel | ✓ | ✓ |
| Pivot | ✗ | ✓★ |
| VESA Mount | 100x100 | 100x100 |
| Features | ||
| Webcam | ✗ | ✗ |
| Touchscreen | ✗ | ✗ |
| PIP/PBP | ✓★ | ✗ |
| Power | 45W | 37W★ |
| Weight | 14.11 kg | 9.09 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 (96th percentile)96th %ile
Alienware AW-Series AW3425DW 34.2" Interstellar Indigo 2026
- Strong color (99th percentile)99th %ile
- Strong social proof (98th percentile)98th %ile
- Strong performance (98th percentile)98th %ile
- Strong connectivity (96th percentile)96th %ile
Verdict
Winner: Alienware AW-Series AW3425DW 34.2"
Scores 94 overall, wins 3 of 6 usage categories and 8 of 31 specs.