LG UltraGear 45GX90SA-B 45" Black 2025
The 45-inch OLED panel with a 240Hz refresh rate and 0.03ms response time delivers fluid motion clarity and deep contrast with a 1,500,000:1 ratio. Its aggressive 800R curve and 98.5% DCI-P3 coverage create an immersive, color-accurate viewing experience that fills peripheral vision. This monitor is best for simulation racers and open-world gamers who prioritize total immersion over desk space or portability.
Screen 45"
Resolution 3440 x 1440
Panel OLED
Refresh 240 Hz
response time ms 0.029999999329447746
adaptive sync G-Sync Compatible
HDR DisplayHDR True Black 400
84 Overall Score
No current retailer price
Snapshot
Pros & Cons
Pros
- Strong social proof (99th percentile) 99th
- Strong performance (98th percentile) 98th
- Strong feature (96th percentile) 96th
- Strong connectivity (88th percentile) 88th
Cons
The proof
Performance
Specifications
Full Specifications
Display
| Size | 45" |
| 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 | G-Sync Compatible |
Color & HDR
| Brightness | 275 nits |
| Color Gamut | DCI-P3 98.5% (CIE1976) |
| 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 |
| PIP/PBP | Yes |
| Power | 92 |
| Weight | 13.5 kg / 29.8 lbs |
vs Competition
| Spec | LG UltraGear 45GX90SA-B 45" | ASUS ROG Strix XG27UCDMG | Dell UltraSharp U4025QW | MSI MAG 271QPX QD-OLED E2 | Alienware AW-Series AW3425DW | Samsung Odyssey G60SD |
|---|---|---|---|---|---|---|
| Screen Size | 45 | 27 | 39.70000076293945 | 27 | 34 | 27 |
| Resolution | 3440 x 1440 | 3840 x 2160 | 5120 x 2160 | 2560 x 1440 | 3440 x 1440 | 2560 x 1440 |
| Panel Type | OLED | OLED | IPS | QD-OLED | QD-OLED | OLED |
| Refresh Rate | 240 | 240 | 120 | 240 | 240 | 360 |
| Response Time Ms | 0.029999999329447746 | 0.029999999329447746 | 5 | 0.029999999329447746 | 0.029999999329447746 | 0.029999999329447746 |
| Adaptive Sync | G-Sync Compatible | FreeSync Premium Pro | Adaptive-Sync | FreeSync Premium Pro | FreeSync Premium Pro | FreeSync Premium Pro |
| Hdr | DisplayHDR True Black 400 | DisplayHDR True Black 400 | DisplayHDR 600 | DisplayHDR True Black 400 | DisplayHDR 400 True Black | HDR10+ |
| Compare | Compare | Compare | Compare | Compare |
| Product | Color | Portability | Display | Feature | Ergonomic | Performance | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|
| LG UltraGear 45GX90SA-B 45" | 63.5 | 63.1 | 85.8 | 95.8 | 73.7 | 98 | 87.7 | 99.3 |
| ASUS ROG Strix XG27UCDMG Compare | 96.1 | 57.8 | 97.9 | 84 | 90.8 | 98 | 81.4 | 99.3 |
| Dell UltraSharp U4025QW Compare | 98.2 | 76.6 | 98.7 | 95.8 | 90.8 | 56 | 99.3 | 98 |
| MSI MAG 271QPX QD-OLED E2 Compare | 99.1 | 57.8 | 77.4 | 84 | 90.8 | 98 | 81.4 | 99.3 |
| Alienware AW-Series AW3425DW Compare | 99 | 73.9 | 85.8 | 89.9 | 90.8 | 98 | 95.4 | 98 |
| Samsung Odyssey G60SD Compare | 90.4 | 40 | 77.4 | 67.8 | 90.8 | 99.5 | 87.7 | 94.7 |
Usage Scores
- Overall84.1
- Gaming89.1
- Office83.9
- Creative64.1
- Portable14.3
- Professional65.1
- Entertainment81.9
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
