# TLDR Review: LG 39GX90SA-W 39" Ultragear OLED Gaming Monitor

*Published: 2026-01-26 | Updated: 2026-01-26 | Source: https://shopsavvy.com/reviews-tldr/lg-39gx90sa-w-39"-ultragear-oled-gaming-monitor*

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## Product: LG 39GX90SA-W 39" Ultragear OLED Gaming Monitor
**Brand:** LG

## Pros
- The large 39-inch ultrawide OLED curved display offers incredibly immersive visuals with deep, true blacks and vibrant, accurate colors ideal for gaming and professional use.
- The 3440 x 1440 WQHD resolution combined with a high refresh rate of 240Hz and a lightning-fast 1ms response time delivers ultra-smooth and responsive gameplay, especially for fast-paced titles.
- NVIDIA G-Sync and AMD FreeSync Premium compatibility provide tear-free, stutter-free gaming experiences.
- Versatile connectivity options including USB Type-C and DisplayPort support multiple devices seamlessly.
- The aggressive but comfortable 800R curve enhances immersion without causing discomfort when properly positioned about 31 inches from the eyes.
- Adjustable height and sturdy stand make it easy to fit various desk setups.
- The monitor includes built-in speakers that are surprisingly loud and clear for daily use, eliminating the need for separate audio devices.
- Features like a matte finish to minimize glare, a remote control for convenient navigation, and built-in streaming apps add to its versatility beyond gaming.
- OLED Pixel Cleaning and manual calibration can resolve initial panel issues and improve image quality significantly.
- Power-efficient operation keeps the monitor running cool with relatively low power consumption even under HDR settings.

## Cons
- The monitor’s advertised "5K2K" resolution is misleading; the actual resolution is 3440 x 1440 (WQHD), not true 5K, which may disappoint users expecting a higher pixel count.
- Some users experience initial panel artifacts or faint white bars, requiring the use of the Pixel Cleaning feature or manual calibration to fix.
- Out-of-the-box image quality may appear washed out due to VESA calibration; proper manual adjustments to brightness, contrast, and color settings are necessary to get the best picture.
- Requires a powerful GPU (preferably RTX 5000 or RX 7000 series) to fully leverage the high resolution and refresh rate without performance bottlenecks.
- HDR performance can feel inconsistent and may require tweaking depending on whether you are on console or PC.
- The 21:9 aspect ratio, while great for immersion, may not be ideal for all games or professional tasks without switching aspect ratio modes.
- Price point is considered high, though discounts improve value.

## Bottom Line

The LG 39GX90SA-W is a fantastic ultrawide gaming monitor for those who want stunning OLED picture quality combined with a high refresh rate and fast response time, perfect for immersive gaming and multitasking professionals. However, it demands proper calibration and a beefy graphics card to unleash its full potential, and beware that the "5K2K" label is more marketing hype than reality—the resolution is WQHD 3440 x 1440. If you want a killer combination of OLED clarity and gaming performance and don’t mind tweaking settings, this is a gem. Otherwise, consider other ultrawide gaming monitors if you're after guaranteed pixel density or out-of-the-box accuracy without fuss.

## Pros vs Cons at a Glance

| Pros | Cons |
|------|------|
| The large 39-inch ultrawide OLED curved display offers incredibly immersive visuals with deep, true blacks and vibrant, accurate colors ideal for gaming and professional use. | The monitor’s advertised "5K2K" resolution is misleading; the actual resolution is 3440 x 1440 (WQHD), not true 5K, which may disappoint users expecting a higher pixel count. |
| The 3440 x 1440 WQHD resolution combined with a high refresh rate of 240Hz and a lightning-fast 1ms response time delivers ultra-smooth and responsive gameplay, especially for fast-paced titles. | Some users experience initial panel artifacts or faint white bars, requiring the use of the Pixel Cleaning feature or manual calibration to fix. |
| NVIDIA G-Sync and AMD FreeSync Premium compatibility provide tear-free, stutter-free gaming experiences. | Out-of-the-box image quality may appear washed out due to VESA calibration; proper manual adjustments to brightness, contrast, and color settings are necessary to get the best picture. |
| Versatile connectivity options including USB Type-C and DisplayPort support multiple devices seamlessly. | Requires a powerful GPU (preferably RTX 5000 or RX 7000 series) to fully leverage the high resolution and refresh rate without performance bottlenecks. |
| The aggressive but comfortable 800R curve enhances immersion without causing discomfort when properly positioned about 31 inches from the eyes. | HDR performance can feel inconsistent and may require tweaking depending on whether you are on console or PC. |
| Adjustable height and sturdy stand make it easy to fit various desk setups. | The 21:9 aspect ratio, while great for immersion, may not be ideal for all games or professional tasks without switching aspect ratio modes. |
| The monitor includes built-in speakers that are surprisingly loud and clear for daily use, eliminating the need for separate audio devices. | Price point is considered high, though discounts improve value. |
| Features like a matte finish to minimize glare, a remote control for convenient navigation, and built-in streaming apps add to its versatility beyond gaming. |  |
| OLED Pixel Cleaning and manual calibration can resolve initial panel issues and improve image quality significantly. |  |
| Power-efficient operation keeps the monitor running cool with relatively low power consumption even under HDR settings. |  |

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*About this review: We pulled together findings from professional and user reviews, and cross-referenced them with ShopSavvy's pricing data from thousands of retailers to give you the short version.*