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.
No current retailer price
Snapshot
Pros & Cons
Pros
- Strong performance (98th percentile) 98th
- Strong feature (96th percentile) 96th
- Strong connectivity (88th percentile) 88th
- Strong display (87th percentile) 87th
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.
- Q2 2026100/100
All five reviews are extremely positive, praising the monitor's OLED picture quality, 240Hz smoothness, 800R curve immersion, and solid build. No negatives reported.
- OLED picture quality, contrast, and colors are phenomenal, especially after calibration.
- 240Hz refresh rate and 0.03ms response time deliver exceptionally smooth gaming.
- 800R curve enhances immersion without being too aggressive; text clarity is fine for gaming.
- Build quality and stand are solid; cable management through base is a neat feature.
- Q4 202587/100
Buyers praised the monitor's immersive experience, vivid colors, and reliable build. One noted no volume control on the unit, requiring alt-tab to adjust sound.
- Immersive high refresh rate experience with vivid colors and great picture quality.
- Excellent stand, heavy and functional; reliable build quality compared to Samsung.
- Speakers sound fine but lack volume control on unit, requiring alt-tab adjustment.
- 800R curve saves desk space and enhances in-game immersion.
Based on 11 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 |
| Screen Finish | matte |
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 XG27UCDMG | MSI MPG 271QR QD-OLED X50 | Samsung Odyssey OLED G6 G60SF | Dell UltraSharp U4025QW | Apple Studio Display XDR |
|---|---|---|---|---|---|---|
| Screen Size | 34 | 27 | 27 | 27 | 39.70000076293945 | 27 |
| Resolution | 3440 x 1440 | 3840 x 2160 | 2560 x 1440 | 2560 x 1440 | 5120 x 2160 | 5120 x 2880 |
| Panel Type | OLED | OLED | QD-OLED | QD-OLED | IPS | Mini-LED |
| Refresh Rate | 240 | 240 | 500 | 500 | 120 | 120 |
| Response Time Ms | 0.029999999329447746 | 0.029999999329447746 | 0.029999999329447746 | 0.029999999329447746 | 5 | - |
| Adaptive Sync | FreeSync Premium Pro | FreeSync Premium Pro | G-Sync Compatible | FreeSync Premium Pro | Adaptive-Sync | Adaptive-Sync |
| Hdr | DisplayHDR True Black 400 | DisplayHDR True Black 400 | DisplayHDR True Black 500 | HDR10+ | DisplayHDR 600 | HDR |
| Compare | Compare | Compare | Compare | Compare |
| Product | Color | Portability | Display | Feature | User Sentiment | Ergonomic | Performance | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|---|
| LG UltraGear 34GX900A-B 34" | 80.2 | 63.7 | 87 | 96.1 | 60.5 | 73.4 | 98 | 87.9 | 85.3 |
| ASUS ROG Strix XG27UCDMG Compare | 96.2 | 58.4 | 97.9 | 84.7 | 99.2 | 90.8 | 98 | 82 | 99.4 |
| MSI MPG 271QR QD-OLED X50 Compare | 99.1 | 58.4 | 78.9 | 84.7 | 95.5 | 90.8 | 99.9 | 63.8 | 99.4 |
| Samsung Odyssey OLED G6 G60SF Compare | 83.3 | 58.4 | 78.9 | 69.4 | 95.5 | 90.8 | 99.9 | 98.2 | 80.7 |
| Dell UltraSharp U4025QW Compare | 97.9 | 77 | 98.7 | 96.1 | 0 | 90.8 | 56.4 | 99.4 | 95.5 |
| Apple Studio Display XDR Compare | 99.7 | 81.7 | 99.4 | 94.2 | 75.8 | 66.8 | 56.4 | 90.3 | 67.6 |
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
