Best LG 5K2K Ultrawide Monitors in 2026: 4 Picks
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Finding the best LG 5K2K ultrawide monitors requires looking at specific display capabilities. We compared 4 models using only the specifications published on the listings. The top pick is the LG 45-Inch 5K2K Curved OLED Gaming Monitor because its 165Hz refresh rate and OLED panel deliver immersive visuals for high-speed gaming. This guide helps you decide which screen size and panel type fits your workflow. You can choose between compact OLED options or larger IPS displays based on your needs. Each pick highlights a distinct advantage in resolution, connectivity, or speed.
Quick picks
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | LG 45-Inch 5K2K Curved OLED Gaming Monitor Best overall | immersive OLED gaming at high refresh rates | Check price of LG 45-Inch 5K2K Curved OLED Gaming Monitor on Amazon |
| 2 | LG 39-inch UltraGear 5K2K Curved OLED Also great | Compact OLED gaming with high pixel density | Check price of LG 39-inch UltraGear 5K2K Curved OLED on Amazon |
| 3 | LG 40-Inch Curved 5K2K Ultrawide Monitor Best premium | Creative pros needing Thunderbolt 5 and 5K2K detail | Check price of LG 40-Inch Curved 5K2K Ultrawide Monitor on Amazon |
| 4 | LG 52-Inch UltraGear 240Hz Curved 5K2K Monitor Best budget | gamers needing maximum screen size and speed | Check price of LG 52-Inch UltraGear 240Hz Curved 5K2K Monitor on Amazon |
The best fit for you
- You want the best overall OLED gaming experience LG 45-Inch 5K2K Curved OLED Gaming Monitor The 165Hz refresh rate and OLED panel deliver high speed and deep contrast.
- You need a compact monitor with high pixel density LG 39-inch UltraGear 5K2K Curved OLED Its 39-inch size offers sharp visuals without requiring excessive desk space.
- You require Thunderbolt 5 connectivity for creative work LG 40-Inch Curved 5K2K Ultrawide Monitor This IPS model includes Thunderbolt 5 for reliable data and video transfer.
- You prioritize maximum screen size and fastest refresh rates LG 52-Inch UltraGear 240Hz Curved 5K2K Monitor The 240Hz refresh rate and 52-inch canvas provide the largest and fastest display.
Our 4 picks
LG 45-Inch 5K2K Curved OLED Gaming Monitor
Best for: immersive OLED gaming at high refresh rates
- Resolution
- 5K2K (what this guide is about)
- Screen Size
- 45"
- Refresh Rate
- 165Hz, 330Hz
- Panel Type
- OLED
- Aspect Ratio
- 21:9
- Response Time
- 0.03ms (GtG)
View on Amazon: LG 45-Inch 5K2K Curved OLED Gaming Monitor Affiliate link
The LG 45GX950A is a 45-inch curved OLED monitor with 5K2K resolution. It offers 165Hz refresh rate in native mode, switching to 330Hz at lower resolution. The panel delivers 0.03ms response time and 1300 nits peak brightness. You get DisplayPort 2.1 and HDMI 2.1 ports for high-speed connectivity. This setup suits gamers who want deep blacks and sharp text clarity on a large screen.
Pros
- OLED panel with 1300 nits peak brightness
- 0.03ms GtG response time for smooth motion
- Dual Mode supports 165Hz or 330Hz
- DisplayPort 2.1 and HDMI 2.1 connectivity
Cons
- 45-inch size requires significant desk space
- 330Hz mode reduces resolution to WFHD
- No mention of built-in speakers or USB hub
Good fit if
- You want immersive 21:9 OLED visuals
- You play fast-paced FPS or racing games
- You need high refresh rates for competitive play
Skip if
- You prefer a flat screen over curved
- You need native 5K2K at high refresh rates
- You have limited desk space for a 45-inch display
Verdict: LG 45GX950A OLED 5K2K Gaming Monitor delivers stunning visuals and speed for immersive gaming. It fits players who prioritize OLED contrast and high refresh rates on a wide screen.
LG 39-inch UltraGear 5K2K Curved OLED
Best for: Compact OLED gaming with high pixel density
- Resolution
- 5K2K (what this guide is about)
- Screen Size
- 39"
- Refresh Rate
- 165Hz
- Panel Type
- OLED
- Aspect Ratio
- 21:9
- Response Time
- 0.03ms GTG
View on Amazon: LG 39-inch UltraGear 5K2K Curved OLED Affiliate link
The LG 39GX950B-B is a 39-inch 5K2K OLED ultrawide monitor designed for sharp visuals and high speed. It features a 165Hz refresh rate and 0.03ms response time for smooth gaming. The panel offers VESA DisplayHDR True Black 500 and 99.5% DCI-P3 color coverage. You get dual-mode support to switch to 330Hz at lower resolution. This model suits players who want OLED contrast without the bulk of larger screens.
Pros
- 143 PPI pixel density for crisp text and details
- Dual Mode allows switching to 330Hz at WFHD resolution
- UL-Verified Perfect Black and Perfect Color certification
- 0.03ms GtG response time for fast motion
Cons
- Lower 165Hz refresh rate compared to 240Hz competitors
- Smaller 39-inch screen size limits workspace area
- Heavier 23.6-pound build requires sturdy mounting
Good fit if
- You want OLED contrast in a compact 39-inch form factor
- You need high pixel density for sharp text and UI elements
- You play both cinematic AAA titles and competitive shooters
Skip if
- You require a 240Hz refresh rate at native 5K2K resolution
- You prefer a larger 45-inch or 52-inch display area
- You need a flat panel instead of a curved 1500R design
Verdict: LG 39-inch 5K2K OLED Gaming Monitor delivers sharp OLED visuals and flexible refresh rates for versatile gaming. It fits players who prioritize pixel density and contrast over maximum native refresh rates or larger screen real estate.
LG 40-Inch Curved 5K2K Ultrawide Monitor
Best for: Creative pros needing Thunderbolt 5 and 5K2K detail
- Resolution
- 5K2K (what this guide is about)
- Screen Size
- 40"
- Refresh Rate
- 120Hz
- Panel Type
- Nano IPS Black
- Connectivity
- Thunderbolt 5, HDMI 2.1, DP 2.1, USB-C
- Dimensions
- 10.2 × 37.3 × 24.2 inches
View on Amazon: LG 40-Inch Curved 5K2K Ultrawide Monitor Affiliate link
The LG 40U990A-W is a 40-inch 5K2K curved monitor featuring a Nano IPS Black panel. It offers a 2000:1 contrast ratio and 99% DCI-P3 color gamut for precise creative work. Thunderbolt 5 connectivity provides 96W charging and daisy-chaining support. With a 120Hz refresh rate, it suits video editors and designers who need sharp details and color accuracy over high-speed gaming performance.
Pros
- 5K2K resolution (5120 x 2160) for sharp detail
- Nano IPS Black panel with 2000:1 contrast ratio
- Thunderbolt 5 with 96W charging and daisy-chain support
- 99% DCI-P3 color gamut coverage
Cons
- 120Hz refresh rate is lower than the 165Hz and 240Hz options on this list
- 40-inch size is smaller than the 45-inch and 52-inch competitors
- No mention of built-in speakers or USB-A ports in the data
Good fit if
- You need Thunderbolt 5 for high-speed data transfer and charging
- You prioritize color accuracy and contrast for creative work
- You want a 5K2K resolution on a 40-inch screen
Skip if
- You require a refresh rate above 120Hz for competitive gaming
- You prefer a larger screen size like 45 or 52 inches
- You need an OLED panel for infinite contrast
Verdict: The LG 40U990A 5K2K Thunderbolt 5 Monitor is ideal for creative professionals who need precise color and Thunderbolt 5 connectivity. It fits users who value contrast and resolution over the higher refresh rates found in the other picks.
LG 52-Inch UltraGear 240Hz Curved 5K2K Monitor
Best for: gamers needing maximum screen size and speed
- Resolution
- 5K2K (what this guide is about)
- Screen Size
- 52"
- Refresh Rate
- 240Hz
- Aspect Ratio
- 21:9
- Response Time
- 1ms (GtG)
- Sync Technology
- AMD FreeSync Premium
View on Amazon: LG 52-Inch UltraGear 240Hz Curved 5K2K Monitor Affiliate link
This is a 52-inch curved gaming monitor with 5K2K resolution. It features a 240Hz refresh rate and 1ms response time for fast motion. The 1000R curve and VESA DisplayHDR 600 support enhance immersion. It includes DisplayPort 2.1 and USB-C with 90W charging. This large display suits gamers who want maximum screen real estate and speed.
Pros
- 240Hz refresh rate for fluid motion
- 52-inch 5K2K curved display
- 1000R curvature for immersion
- USB-C with 90W charging
Cons
- 37-pound weight requires sturdy support
- 46.2-inch width needs ample desk space
- No mention of HDR10 support
Good fit if
- You want the largest 5K2K screen available
- You prioritize high refresh rates for competitive play
- You have a large desk setup
Skip if
- You need a compact monitor for small spaces
- You prefer flat screens over curved ones
- You cannot support heavy monitors
Verdict: LG 52G930B 52-inch 240Hz 5K2K delivers the biggest canvas in this group with top-tier speed. It fits gamers who need massive scale and rapid frame updates.
Specifications side by side
| Spec | LG 45-Inch 5K2K Curved OLED Gaming Monitor | LG 39-inch UltraGear 5K2K Curved OLED | LG 40-Inch Curved 5K2K Ultrawide Monitor | LG 52-Inch UltraGear 240Hz Curved 5K2K Monitor |
|---|---|---|---|---|
| Screen Size | 45" | 39" | 40" | 52" |
| Resolution | 5120 x 2160 | 5120x2160 | 5120 x 2160 | 5120x2160 |
| Refresh Rate | 165Hz, 330Hz | 165Hz | 120Hz | 240Hz |
| Panel Type | OLED | OLED | Nano IPS Black | not stated |
| Aspect Ratio | 21:9 | 21:9 | not stated | 21:9 |
| Response Time | 0.03ms (GtG) | 0.03ms GTG | not stated | 1ms (GtG) |
| Sync Technology | FreeSync Premium Pro, G-SYNC Compatible | G-SYNC Compatible, FreeSync Premium Pro | not stated | AMD FreeSync Premium |
| Connectivity | DisplayPort 2.1, HDMI 2.1, USB Type-C | HDMI, DP, USB-C | Thunderbolt 5, HDMI 2.1, DP 2.1, USB-C | DP 2.1, HDMI 2.1, USB-C |
| Size | 45 Inch | not stated | 40 | not stated |
| Dimensions | 13.5 × 39 × 26.2 inches | 12.7 × 36.3 × 23.8 inches | 10.2 × 37.3 × 24.2 inches | 13.8 × 46.2 × 28.1 inches |
| Weight | 30.9 pounds | 23.6 pounds | 31.1 pounds | 37 pounds |
| Color | Black | Black | White | Black |
| Model | 45GX950A-B.AUS | 39GX950B-B.AUS | 40U990A-W.AUS | 52G930B-B.AUS |
How to choose the right 5K2K ultrawide monitor
-
Match panel type to use
OLED panels offer infinite contrast and deep blacks, ideal for gaming in dark rooms. The LG 45-inch and 39-inch models use OLED technology. This gives you superior image quality compared to standard panels. If you need color accuracy for professional work, consider the IPS panel on the 40-inch model. IPS panels provide consistent colors across wide viewing angles. Choose OLED for immersive visuals and speed. Select IPS if you prioritize precise color reproduction for creative tasks like photo editing or video production.
-
Select refresh rate for speed
Higher refresh rates ensure smoother motion in fast-paced games. The LG 52-inch model offers 240Hz, the highest speed in this group. This benefits competitive gamers who need rapid frame updates. Most other models run at 165Hz, which is also very fast. If you do not play fast shooters, 120Hz may suffice. The 40-inch IPS monitor caps at 120Hz. Check the refresh rate spec to ensure it matches your gaming style. Higher numbers mean smoother animation and less blur during quick movements.
-
Choose screen size for space
Screen size affects desk space and immersion. The 39-inch model is the most compact, fitting smaller desks. It offers high pixel density for sharp text. The 45-inch and 52-inch models provide massive canvases. The 52-inch is the largest, requiring more desk width. Measure your desk before buying. Larger screens offer better immersion but take up more room. The 40-inch model sits in the middle. Consider your viewing distance. Closer viewers may prefer smaller screens to avoid neck strain. Larger screens are better for wider viewing distances.
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Check connectivity for devices
Connectivity options determine which devices you can link. The 40-inch model features Thunderbolt 5 and USB-C. This allows high-speed data transfer and single-cable connectivity for laptops. Other models use DisplayPort and HDMI. If you use a modern laptop, USB-C or Thunderbolt 5 is essential. It simplifies your setup by carrying video, data, and power. Check the ports on your computer. Ensure the monitor has the right cable. Missing ports may require adapters. Proper connectivity reduces cable clutter and improves workflow efficiency.
-
Verify sync technology support
Sync technology prevents screen tearing and stuttering. Look for FreeSync and G-SYNC compatibility. The LG 45-inch OLED model supports both FreeSync and G-SYNC. This ensures smooth gameplay across different graphics cards. If you use an NVIDIA card, G-SYNC is vital. AMD users benefit from FreeSync. Check your graphics card specifications. Matching the sync tech ensures a stable frame rate. This is crucial for competitive gaming. Without it, you may notice visual artifacts. Always verify the sync technology listed in the specs.
Frequently asked questions
Which LG 5K2K monitor has the highest refresh rate?
The LG 52G930B offers the highest refresh rate at 240Hz. This model is designed for gamers who need maximum screen size and speed. It features a 52-inch curved display that provides top-tier frame updates. Other models in this group max out at 165Hz or 120Hz.
Does the LG 40U990A support Thunderbolt 5?
Yes, the LG 40U990A includes Thunderbolt 5 connectivity. This monitor is built for creative professionals who need precise color and high-speed data transfer. It features a 40-inch IPS panel with 120Hz refresh rate. This setup fits users who value resolution and connectivity over higher gaming refresh rates.
What is the difference between the 45-inch and 39-inch OLED models?
The primary difference is screen size and pixel density. The 45-inch LG 45GX950A provides a wider, more immersive view for gaming. The 39-inch LG 39GX950B offers a compact form factor with higher pixel density. Both models share a 165Hz refresh rate and OLED panel technology for deep contrast.
Are all LG 5K2K monitors curved?
Yes, all four listed LG monitors feature curved screens. The 45-inch, 39-inch, and 52-inch models are curved OLED gaming displays. The 40-inch LG 40U990A is also described as a curved ultrawide monitor. This curvature helps enhance immersion and viewing angles for both gaming and professional work.
Which monitor is best for creative professionals?
The LG 40U990A is the best choice for creative professionals. It features an IPS panel with 120Hz refresh rate and Thunderbolt 5 connectivity. This model prioritizes precise color accuracy and resolution. It is ideal for users who need detailed 5K2K visuals for design work rather than high-speed gaming performance.
What sync technologies do these LG monitors support?
The LG 45GX950A supports both FreeSync and G-SYNC. This compatibility ensures smooth gameplay without screen tearing on compatible graphics cards. The other models do not list specific sync technologies in their published attributes. You should check the full specifications for the 39-inch, 40-inch, and 52-inch models if sync is a priority.
How much space does the 52-inch monitor require?
The LG 52G930B measures 46.2 inches in width and 28.1 inches in height. It weighs 37 pounds. This large footprint requires a substantial desk surface to accommodate the display. The curved design adds depth, measuring 13.8 inches in length. Ensure your workspace can handle this massive scale and weight.