LG UltraGear 34GX900A-B 34" Black
A 34-inch 3440x1440 OLED panel with an aggressive 800R curve, 240Hz refresh, and 0.03ms response time delivers 1300 nits of peak brightness for exceptionally fast and vivid gaming. Its anti-glare coating carries UL verification for flicker-free and low blue light comfort, while both AMD FreeSync Premium Pro and NVIDIA G-SYNC compatibility ensure tear-free performance across systems. This monitor is best for competitive esports players and racing sim enthusiasts who need 240Hz motion clarity and an enveloping 800R curve without visual distractions.
Snapshot
Pros & Cons
Pros
- Strong performance (98th percentile) 98th
- Strong feature (97th percentile) 97th
- Strong connectivity (89th percentile) 89th
- Strong display (86th percentile) 86th
Cons
What owners think
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews - so you can see whether early praise held up.
Based on 163 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Display
| Size | 34" |
| Resolution | 3440x1440 |
| Panel Type | OLED |
| Aspect Ratio | 21:9 |
| Curved | Yes |
| Curvature | 800 |
Performance
| Refresh Rate | 240 Hz |
| Response Time | 0.03 |
| Adaptive Sync | FreeSync Premium Pro |
Color & HDR
| Brightness | 275 nits |
| Color Gamut | DCI-P3 98.5% (CIE1976) |
| Color Depth | 10-bit |
| HDR | DisplayHDR True Black 400 |
| HDR Support | HDR10 |
Connectivity
| HDMI Ports | 2 |
| DisplayPort | 1 |
| USB-C | 1 |
| Speakers | Yes |
| Headphone Jack | Yes |
Ergonomics
| Height Adjustable | Yes |
| Tilt | Yes |
| Swivel | Yes |
| Pivot | No |
| VESA Mount | 100x100 |
Features
| Webcam | No |
| Touchscreen | No |
| PIP/PBP | Yes |
| Power | 45 |
| Weight | 10.4 kg / 22.9 lbs |
vs Competition
| Spec | LG UltraGear 34GX900A-B 34" | ASUS ROG Strix XG27AQDMG | MSI MAG 271QPX QD-OLED E2 | Samsung Odyssey G60SD | Dell UltraSharp U4025QW | Alienware AW-Series AW2725D |
|---|---|---|---|---|---|---|
| Screen Size | 34 | 26.5 | 27 | 27 | 39.70000076293945 | 27 |
| Resolution | 3440 x 1440 | 2560 x 1440 | 2560 x 1440 | 2560 x 1440 | 5120 x 2160 | 2560 x 1440 |
| Panel Type | OLED | OLED | QD-OLED | QD-OLED | IPS | QD-OLED |
| Refresh Rate | 240 | 240 | 240 | 360 | 120 | 280 |
| Response Time Ms | 0.029999999329447746 | 0.029999999329447746 | 0.029999999329447746 | 0.029999999329447746 | 5 | 0.029999999329447746 |
| Adaptive Sync | FreeSync Premium Pro | FreeSync Premium Pro | FreeSync Premium Pro | FreeSync Premium Pro | Adaptive-Sync | FreeSync Premium Pro |
| Hdr | DisplayHDR True Black 400 | HDR10 | DisplayHDR True Black 400 | HDR10+ | DisplayHDR 600 | DisplayHDR 400 True Black |
| Compare | Compare | Compare | Compare | Compare |
| Product | Color | Portability | Display | Feature | User Sentiment | Ergonomic | Performance | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|---|
| LG UltraGear 34GX900A-B 34" | 81.7 | 68.5 | 86.3 | 97.3 | 58.5 | 74.6 | 98.2 | 88.8 | 85.4 |
| ASUS ROG Strix XG27AQDMG Compare | 97 | 73.2 | 76.9 | 73.2 | 95.8 | 91.1 | 98.2 | 94 | 90.6 |
| MSI MAG 271QPX QD-OLED E2 Compare | 99.1 | 63.8 | 77.7 | 86.7 | 95.8 | 91.1 | 98.2 | 83.4 | 99.6 |
| Samsung Odyssey G60SD Compare | 91.6 | 46.2 | 77.7 | 73.2 | 95.8 | 91.1 | 99.6 | 88.8 | 95.5 |
| Dell UltraSharp U4025QW Compare | 98 | 81.3 | 95.7 | 97.3 | 0 | 91.1 | 57.5 | 99.4 | 95.5 |
| Alienware AW-Series AW2725D Compare | 98.6 | 83.8 | 77.7 | 73.2 | 95.8 | 91.1 | 99.4 | 95.9 | 100 |
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
