Uperfect UColor U21 19" 2025
Uperfect
71 Overall Score
vs
LG UltraGear 27GX790A-B 27" Black 2025
LG
95 Overall Score
What Buyers Say
Uperfect UColor U21 19" 2025
No customer feedback yet
LG UltraGear 27GX790A-B 27" Black 2025
92 out of 100 medium confidence 15 reviews
The LG UltraGear 27-inch OLED gaming monitor receives overwhelmingly positive feedback for its stunning OLED picture quality, incredibly high 480Hz refresh rate, and ultra-fast 0.03ms response time. Users describe it as a game-changer for competitive gaming, offering fluid motion and deep blacks. Common drawbacks include the high price, the need for a powerful GPU to reach 480Hz, and the lack of built-in speakers. Overall, it is highly recommended for serious gamers who can afford the premium.
Pros
- Stunning OLED picture quality
- Incredibly smooth 480Hz refresh rate
- Ultra-fast 0.03ms response time
- Deep blacks and vibrant colors
- Solid build and ergonomic stand
Cons
- High price point
- Requires powerful GPU for 480Hz
- No built-in speakers
- SDR brightness lower than LCD rivals
- Potential burn-in risk with OLED
Display quality 5
Refresh rate 5
Response time 5
Price 4
Build quality 4
Speakers 3
Scores
Office
Gaming
Professional
Entertainment
Creative
Portable
Specifications
| Uperfect UColor U21 19" | LG UltraGear 27GX790A-B 27" | |
|---|---|---|
| Display | ||
| Size | 19" | 27" |
| Resolution | 3840 x 2160 | 2560 x 1440 |
| Panel Type | QD-OLED | OLED |
| Aspect Ratio | 16:9 | 16:9 |
| Curved | ✗ | ✗ |
| Screen Finish | matte | matte |
| Performance | ||
| Refresh Rate | 144 Hz | 480 Hz★ |
| Response Time | 0.10000000149011612 ms | 0.029999999329447746 ms★ |
| Adaptive Sync | — | FreeSync Premium Pro★ |
| Color & HDR | ||
| Brightness | 500 nits★ | 275 nits |
| Color Gamut | 100% DCI-P3 | 98.5% DCI-P3 |
| Color Depth | — | 10-bit★ |
| HDR | HDR | DisplayHDR True Black 400 |
| HDR Support | — | HDR10★ |
| Connectivity | ||
| HDMI Ports | — | 2★ |
| DisplayPort | — | 1★ |
| USB-C | 2 | 3★ |
| Speakers | — | ✗ |
| Headphone Jack | — | ✓★ |
| Ergonomics | ||
| Height Adjustable | — | ✓★ |
| Tilt | ✓ | ✓ |
| Swivel | — | ✓★ |
| Pivot | — | ✓★ |
| VESA Mount | 75x75 | 100x100 |
| Features | ||
| Webcam | — | ✗ |
| Touchscreen | — | ✗ |
| PIP/PBP | — | ✗ |
| Weight | 1.20 kg★ | 9.30 kg |
Pros & Cons
Uperfect UColor U21 19" 2025
- Strong performance (96th percentile)96th %ile
- Strong color (95th percentile)95th %ile
- Strong display (95th percentile)95th %ile
- Strong social proof (91st percentile)91st %ile
LG UltraGear 27GX790A-B 27" Black 2025
- Strong performance (100th percentile)100th %ile
- Strong social proof (98th percentile)98th %ile
- Strong connectivity (98th percentile)98th %ile
- Strong user sentiment (96th percentile)96th %ile
Pricing
Verdict
Winner: LG UltraGear 27GX790A-B 27"
Scores 95 overall, wins 5 of 6 usage categories and 12 of 28 specs.
