Acer CB342CU UM.CB2AA.004 34" Black 2023
Acer
69 Overall Score
vs
LG UltraGear 27GX790A-B 27" Black 2025
LG
95 Overall Score
What Buyers Say
Acer CB342CU UM.CB2AA.004 34" Black 2023
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
Professional
Gaming
Entertainment
Creative
Portable
Specifications
| Acer CB342CU UM.CB2AA.004 34" | LG UltraGear 27GX790A-B 27" | |
|---|---|---|
| Display | ||
| Size | 34" | 27" |
| Resolution | 3440 x 1440 | 2560 x 1440 |
| Panel Type | IPS | OLED★ |
| Aspect Ratio | 21:9 | 16:9 |
| Curved | ✗ | ✗ |
| Screen Finish | matte | matte |
| Performance | ||
| Refresh Rate | 75 Hz | 480 Hz★ |
| Response Time | 1 ms | 0.029999999329447746 ms★ |
| Adaptive Sync | FreeSync | FreeSync Premium Pro★ |
| Color & HDR | ||
| Brightness | 400 nits★ | 275 nits |
| Color Gamut | 99% sRGB | 98.5% DCI-P3 |
| Color Depth | — | 10-bit★ |
| HDR | DisplayHDR 400 | DisplayHDR True Black 400 |
| HDR Support | — | HDR10★ |
| Connectivity | ||
| HDMI Ports | 1 | 2★ |
| DisplayPort | 1 | 1 |
| USB-C | 1 | 3★ |
| Speakers | ✓★ | ✗ |
| Headphone Jack | — | ✓★ |
| Ergonomics | ||
| Height Adjustable | ✓ | ✓ |
| Tilt | ✓ | ✓ |
| Swivel | ✓ | ✓ |
| Pivot | ✓ | ✓ |
| VESA Mount | — | 100x100 |
| Features | ||
| Webcam | ✗ | ✗ |
| Touchscreen | ✗ | ✗ |
| PIP/PBP | — | ✗ |
| Weight | 9.20 kg★ | 9.30 kg |
Pros & Cons
Acer CB342CU UM.CB2AA.004 34" Black 2023
- Strong social proof (85th percentile)85th %ile
- Strong color (84th percentile)84th %ile
- Strong display (83rd percentile)83rd %ile
- Strong ergonomic (79th percentile)
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
Verdict
Winner: LG UltraGear 27GX790A-B 27"
Scores 95 overall, wins 5 of 6 usage categories and 9 of 28 specs.