LG UltraFine 40U990A 40" White 2025
LG
85 Overall Score
vs
MSI MPG 271QR QD-OLED X50 27" Metallic Black - RGB 2026
MSI
92 Overall Score
What Buyers Say
LG UltraFine 40U990A 40" White 2025
No customer feedback yet
MSI MPG 271QR QD-OLED X50 27" Metallic Black - RGB 2026
92 out of 100 high confidence 45 reviews
This 500Hz QD-OLED gaming monitor is overwhelmingly praised for its incredible speed, vibrant colors, and deep blacks, with many calling it a massive upgrade from IPS panels. Users highlight the DisplayPort 2.1, no-DSC capability, and useful features like KVM and USB-C power delivery. The only minor complaints are a stiff DisplayPort cable and some confusion about DP version and DSC requirements, but overall sentiment is extremely positive.
Pros
- 500Hz refresh rate
- Vibrant QD-OLED colors
- Deep blacks and contrast
- DisplayPort 2.1 support
- No DSC required
Cons
- Stiff DisplayPort cable
- Confusion about DP version
- DSC required for 500Hz
- No built-in speakers mentioned
Refresh rate 12
Color quality 10
Contrast and blacks 6
Displayport version 5
Dsc requirement 4
Build quality 3
Scores
Professional
Office
Creative
Gaming
Entertainment
Portable
Specifications
| LG UltraFine 40U990A 40" | MSI MPG 271QR QD-OLED X50 27" | |
|---|---|---|
| Display | ||
| Size | 39.7" | 27" |
| Resolution | 5120 x 2160 | 2560 x 1440 |
| Panel Type | IPS | QD-OLED★ |
| Aspect Ratio | 21:9 | 16:9 |
| Curved | ✓ | ✗ |
| Curvature | 2,500 | — |
| Screen Finish | matte | matte |
| Performance | ||
| Refresh Rate | 120 Hz | 500 Hz★ |
| Response Time | 5 ms | 0.029999999329447746 ms★ |
| Adaptive Sync | FreeSync Premium | G-Sync Compatible★ |
| Color & HDR | ||
| Brightness | 450 nits | 1000 nits★ |
| Color Gamut | 99% DCI-P3 | 98%ADOBE RGB / 99% DCI-P3 /138% sRGB |
| Color Depth | 10-bit | 10-bit |
| HDR | HDR10 | DisplayHDR True Black 500 |
| HDR Support | HDR10★ | HDR500 |
| Connectivity | ||
| HDMI Ports | 2★ | 1 |
| 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★ | 250W |
| Weight | 14.11 kg | 8.16 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
MSI MPG 271QR QD-OLED X50 27" Metallic Black - RGB 2026
- Strong performance (100th percentile)100th %ile
- Strong social proof (99th percentile)99th %ile
- Strong color (99th percentile)99th %ile
- Strong user sentiment (95th percentile)95th %ile
Pricing
LG UltraFine 40U990A 40" White 20250.039score per dollar
vs
MSI MPG 271QR QD-OLED X50 27" Metallic Black - RGB 20260.087score per dollar
MSI MPG 271QR QD-OLED X50 27" Metallic Black - RGB 2026 offers 2.2x better value for money
Verdict
Winner: MSI MPG 271QR QD-OLED X50 27"
Scores 92 overall, wins 3 of 6 usage categories and 7 of 31 specs.
