LG UltraGear 27GX790B-B 27" Black 2025
The 4th Gen Primary RGB Tandem OLED panel hits 335 nits typical brightness and offers a unique Dual Mode, switching between 540Hz at QHD for detail or 720Hz at HD for pure speed. DisplayPort 2.1 provides the bandwidth for these extreme refresh rates, while the 0.02ms response time and UL Verified Perfect Black ensure sharp motion and deep contrast. This monitor is best for competitive esports players who need the flexibility to prioritize resolution or frame rate on a single display.
Screen 27"
Resolution 3440 x 1440
Panel OLED
Refresh 540 Hz
response time ms 0.029999999329447746
adaptive sync FreeSync Premium Pro
HDR DisplayHDR True Black 500
70 Overall Score
Price $995
Snapshot
Pros & Cons
Pros
- Strong performance (100th percentile) 100th
- Strong color (89th percentile) 89th
- Strong display (84th percentile) 84th
- Strong connectivity (83rd percentile) 83rd
Cons
The proof
Performance
Specifications
Full Specifications
Display
| Size | 27" |
| Resolution | 3440x1440 |
| Panel Type | OLED |
| Aspect Ratio | 16:9 |
Performance
| Refresh Rate | 540 Hz |
| Response Time | 0.03 |
| Adaptive Sync | FreeSync Premium Pro |
Color & HDR
| Brightness | 335 nits |
| Color Gamut | 99.5% DCI-P3 |
| Color Depth | 10-bit |
| HDR | DisplayHDR True Black 500 |
Connectivity
| HDMI Ports | 2 |
| DisplayPort | 1 |
| USB-C | 1 |
| Headphone Jack | Yes |
Ergonomics
| Height Adjustable | Yes |
| Tilt | Yes |
| Swivel | Yes |
| Pivot | Yes |
Features
| Weight | 6.8 kg / 15.0 lbs |
vs Competition
| Spec | LG UltraGear 27GX790B-B 27" | ASUS ROG Strix XG27AQDMG | MSI MAG 271QPX QD-OLED E2 | Samsung Odyssey G60SD | Dell UltraSharp U4025QW | Alienware AW-Series AW2725D |
|---|---|---|---|---|---|---|
| Screen Size | 27 | 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 | 540 | 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 500 | HDR10 | DisplayHDR True Black 400 | HDR10+ | DisplayHDR 600 | DisplayHDR 400 True Black |
| Compare | Compare | Compare | Compare | Compare |
| Product | Color | Portability | Display | Feature | Ergonomic | Performance | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|
| LG UltraGear 27GX790B-B 27" | 88.6 | 63.8 | 83.7 | 73.2 | 79.5 | 100 | 83.4 | 52.3 |
| ASUS ROG Strix XG27AQDMG Compare | 97 | 73.2 | 76.9 | 73.2 | 91.1 | 98.2 | 94 | 90.6 |
| MSI MAG 271QPX QD-OLED E2 Compare | 99.1 | 63.8 | 77.7 | 86.7 | 91.1 | 98.2 | 83.4 | 99.6 |
| Samsung Odyssey G60SD Compare | 91.6 | 46.2 | 77.7 | 73.2 | 91.1 | 99.6 | 88.8 | 95.5 |
| Dell UltraSharp U4025QW Compare | 98 | 81.3 | 98.6 | 97.3 | 91.1 | 57.5 | 99.4 | 95.5 |
| Alienware AW-Series AW2725D Compare | 98.6 | 83.8 | 77.7 | 73.2 | 91.1 | 99.4 | 95.9 | 100 |
Price
Value & Pricing
From $995
Amazon 1 offer From $995
Price History
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
