LG UltraGear 39GX90SA-W 39" White
The 39-inch OLED panel pairs a 240Hz refresh and 0.03ms response with 1300-nit peak brightness and an 800R curve, eliminating motion blur while its anti-glare coating deepens immersion. Built-in webOS provides standalone access to streaming services and cloud gaming via GeForce NOW, removing the need for a separate PC or console. This monitor suits competitive and couch-gaming enthusiasts who demand crisp, fast OLED performance and a true all-in-one entertainment hub.
Snapshot
Pros & Cons
Pros
- Strong performance (98th percentile) 98th
- Strong feature (97th percentile) 97th
- Strong connectivity (88th percentile) 88th
- Strong display (85th percentile) 85th
Cons
- Below average user sentiment (29th percentile)
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.
- Q1 202695/100
Buyers praise the OLED picture quality, spacious 5K2K resolution, and high refresh rate gaming performance. Minor issues include vertical lines fixed by cleaning and lack of a remote.
- Exceptional 5K2K OLED picture quality with vibrant colors and high brightness.
- High refresh rate provides silky smooth gaming, eliminating stutter and tearing.
- Flexible connectivity via USB-C and DisplayPort works seamlessly with Mac and PC.
- One report of vertical lines resolved by running the built-in image cleaning utility.
- Q4 202543/100
Mixed Q4 2025 reviews: one user finds the display stunning after calibration, another praises gaming but criticizes multitasking, and a third calls the resolution misleading.
- Stunning display after calibration tweaks, immersive 800R curve for gaming.
- Great for gaming, but subpar for productivity and non-gaming use at this price.
- Resolution is misleadingly advertised as 5K, but panel is 3440x1440 (2K).
- Out-of-box calibration is poor, requiring manual adjustments for best image.
- Q3 202552/100
Two verified buyers report a panel defect requiring Pixel Cleaning and a wrong model description. Three promotional reviews praise it for content creation and gaming, calling it a game-changer.
- Panel artifacts out of box, fixable via Pixel Cleaning but unacceptable for premium monitor.
- Product description and images wrong; delivers older 1440p model instead of 5k2k version.
- Excellent for content creation and editing; vibrant colors, curved display, easy setup.
- Replaces dual monitor setup; clean workspace, stunning OLED visuals for gaming and editing.
Based on 10 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Display
| Size | 39" |
| Resolution | 3440x1440 |
| Panel Type | OLED |
| Aspect Ratio | 21:9 |
| Curved | Yes |
| Curvature | 800 |
Performance
| Refresh Rate | 240 Hz |
| Response Time | 0.03 |
| Adaptive Sync | G-Sync Compatible |
Color & HDR
| Brightness | 275 nits |
| Color Gamut | 98.5% DCI-P3 |
| Color Depth | 10-bit |
| HDR | DisplayHDR 400 True Black |
| HDR Support | HDR400 |
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 | 67 |
| Weight | 11.4 kg / 25.2 lbs |
vs Competition
| Spec | LG UltraGear 39GX90SA-W 39" | Samsung Odyssey Neo G9 LS57CG952NNXZA | ASUS ROG Strix XG27AQDMG | Dell UltraSharp U4025QW | MSI MPG 272URX QD-OLED | Alienware AW-Series AW3425DW |
|---|---|---|---|---|---|---|
| Screen Size | 39 | 57 | 26.5 | 39.70000076293945 | 27 | 34 |
| Resolution | 3440x1440 | DUHD | 2560 x 1440 | 5120 x 2160 | 3840x2160 | 3440x1440 |
| Panel Type | OLED | VA | OLED | IPS | OLED | QD-OLED |
| Refresh Rate | 240 | 240 | 240 | 120 | 240 | 240 |
| Response Time Ms | 0.029999999329447746 | 1 | 0.029999999329447746 | 5 | 0.029999999329447746 | 0.029999999329447746 |
| Adaptive Sync | G-Sync Compatible | FreeSync Premium Pro | FreeSync Premium Pro | Adaptive-Sync | G-Sync Compatible | FreeSync Premium Pro |
| Hdr | DisplayHDR 400 True Black | DisplayHDR 1000 | HDR10 | DisplayHDR 600 | DisplayHDR True Black 400 | DisplayHDR 400 True Black |
| Compare | Compare | Compare | Compare | Compare |
| Product | Color | Compact | Display | Feature | User Sentiment | Ergonomic | Performance | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|---|
| LG UltraGear 39GX90SA-W 39" | 84.4 | 69 | 85.3 | 97.3 | 28.5 | 71.9 | 97.9 | 87.6 | 68.2 |
| Samsung Odyssey Neo G9 LS57CG952NNXZA Compare | 99.1 | 74 | 99.7 | 97.3 | 0 | 90.3 | 87.3 | 95.3 | 95.4 |
| ASUS ROG Strix XG27AQDMG Compare | 96.4 | 74 | 75.6 | 72 | 95.7 | 90.3 | 97.9 | 93.1 | 86 |
| Dell UltraSharp U4025QW Compare | 97.5 | 82.4 | 98.3 | 97.3 | 75.7 | 71.9 | 56 | 99.3 | 98.3 |
| MSI MPG 272URX QD-OLED Compare | 95.7 | 63.8 | 97.3 | 86 | 75.7 | 90.3 | 97.9 | 81.9 | 75.7 |
| Alienware AW-Series AW3425DW Compare | 98.3 | 79.9 | 85.3 | 91.6 | 0 | 90.3 | 97.9 | 95.3 | 95.4 |
Price
Value & Pricing
B&H Photo 1 offers From CA$1,105
Amazon.ca 1 offers From CA$1,459
Price History
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
