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LG

LG 39GX90SA-W 39-inch Ultragear WQHD (3440 x 1440) OLED Curved Gaming Monitor 240Hz, 1ms, NVIDIA G-Sync Compatible, AMD FreeSync Premium, VESA DisplayHDR True Black 400, webOS, USB Type-C, White

  • Based on 101 reviews
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Availability: Only 10 left in stock, order soon!
Fulfilled by Amazon
Arrives Wednesday, Dec 17
Order within 18 hours and 47 minutes
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Size: 39 inch


Features

  • The 240Hz OLED Smart Gaming Monitor thats Ahead of the (800R) Curve - The 39 WQHD OLED with a steep 800R curve and 1300-nit peak brightness pulls you deep into the action, while a 240Hz refresh rate and 0.03ms response time keep gameplay insanely fast and smooth. Plus, LGs webOS lets you stream your favorites and cloud gameall from one epic screen.
  • Up to 240Hz & 0.03ms Outrageous OLED Gaming Speed - Game at the speed of OLED with an ultra-fast 240Hz and near instantaneous 0.03ms (GtG) response time. The faster speed lets you respond quickly to opponents and enjoy smoother scenes with less lag or ghosting.
  • Ultimate Frame Sync: FreeSync Premium & G-SYNC Compatible - Say goodbye to screen tearing and stutter. With AMD FreeSync Premium and NVIDIA G-SYNC compatibility, this OLED monitor delivers ultra-smooth, tear-free visuals, giving you perfect frame sync across PC and next-gen console gaming.
  • Bright Picture. Deep Blacks, Brilliant Detail: OLED Gaming FTW - Get lost in vivid visuals with OLED technology, delivering exceptional brightness, up to 98.5% of DCI-P3 color coverage, a 1.5M:1 contrast ratio, and DisplayHDR True Black 400. Every gaming scene pops with deep blacks, brilliant highlights, and cinematic color.
  • The 800R Curve: Surround Yourself in the Action - See and feel the action all around you with the dramatic 800R curve. This steep curvature extends your periphery, pulling you deeper into the game and making the action more intense.
  • Low Glare, More Focus: Play Without Distractions - Stay in the zone with an OLED screen thats designed to minimize glare and reflections. The anti-glare surface reduces light distractions, so you can keep your attention where it matterson every move, every target, and every win.
  • webOS Gaming: AI Tools Customize Your Gaming Experience - Experience enhanced gaming in webOS with AI tools. Dynamic Tone Mapping and AI Picture sharpen visuals, while AI Personalized Picture Wizard customizes settings to your taste. AI Sound completes the package, delivering precision-tuned audio for every game or stream.
  • Unlock Your Potential with Advanced Gaming Features - Dynamic Action Sync reduces input lag for real-time response. Black Stabilizer brightens dark scenes to see what's hidden. FPS Counter shows your real-time frame rate. Crosshair enhances precision for deadly accuracy.
  • OLED Protection: 2-Year Limited Warranty & Panel Care Tools - Rest easy knowing your OLED monitor is built to last. The 2-year limited warranty covers key components, including the OLED panel. And OLED Care tools such as pixel cleaning keep your display sharp, for reliable top-tier performance. Please see Warranty Information on this page for all warranty details.

Description

Experience lightning-quick speed with up to a 240Hz refresh rate¹ and 0.03ms response time on a huge 39" WQHD curved OLED monitor. The steep 800R curve surrounds you in the action. And with the 240Hz refresh rate, and 0.03ms response time, the action is fast, the play seamless and precise. Dive into UltraGear OLED’s immaculate visuals with up to 98.5% of DCI-P3 color coverage and a 1,500,000:1 contrast ratio for stunning blacks and vibrant colors. LG's game-changing webOS streaming platform adds ease and versatility, letting you enjoy your favorite entertainment streaming platforms as well as cloud gaming services from one, simple to access home screen. Adaptive sync technologies FreeSync Premium and NVIDIA G-SYNC compatibility ensure tear-free, stutter- free performance, whether you're on PC or next-gen consoles. Plus, the UltraGear's 2-year OLED limited warranty and OLED Care features give you peace of mind, keeping your UltraGear monitor in top shape. Designed for gamers, the virtually borderless design complements any gaming setup, with height, tilt, and swivel adjustments for optimal comfort. The RBG backlighting creates the mood that’ll upgrade any battlestation. ¹Actual refresh rates may vary depending on computer graphics specifications and configurations.²Internet connection and subscription to streaming services are required. Amazon, Prime Video and all related logos are trademarks of , Inc. or its affiliates. Amazon Prime membership and/or Prime Video fees apply. See primevideo.com/terms for details. HBO Max 2023 Warner Media, LLC. All Rights Reserved. HBO Max is used under license. Number of LG Channels subject to change.³Internet connection and subscription to streaming services are required.⁴Graphics card that supports DisplayPort 1.4 or HDMI 2.1 are required to achieve up to 240Hz refresh rate support. Graphics card sold separately.⁵Software installation required. Visit Support on LG.com to download.

Brand: LG


Screen Size: 39 Inches


Resolution: QHD Ultra Wide 1440p


Aspect Ratio: 219


Screen Surface Description: Matte


Standing screen display size: ‎39 Inches


Screen Resolution: ‎3440x1440


Max Screen Resolution: ‎3440 x 1440 Pixels


Number of USB 3.0 Ports: ‎2


Brand: ‎LG


Series: ‎39GX90SA-W.AUS


Item model number: ‎39GX90SA-W.AUS


Item Weight: ‎25.2 pounds


Product Dimensions: ‎12.71 x 34.95 x 23.85 inches


Item Dimensions LxWxH: ‎12.71 x 34.95 x 23.85 inches


Color: ‎White


Manufacturer: ‎LG


Date First Available: ‎March 11, 2025


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Dec 17

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • Absolutely phenomenal!
Size: 34 inch
Review Image by ALZ ALZ
Review Image by ALZ ALZ
First off, the curve is VERY aggressive! However, once you sit in front of it, it's nowhere near as bad as you may think. I have yet to try this on PC; it works mostly great on console. You do have to tweak some annoying settings to get it to register HDR and may have to manually adjust the picture quality but it is very worth it! You can either have the image stretched or cut it down to 16:9. I personally recommened the stretched ratio since it doesn't look as terrible as one might think. In some game, however, it is very noticable and should be switched to 16:9 instead of 21:9. The colors and brightness are beautiful, especially in dark rooms. The high refresh rate makes gameplay look simply stunning and easily worth the discounted price. While the original price is crazy, the cut down price makes this monitor a MUST if you want to get into wide screen monitors! The response time feels practically instant compared to other monitors I've used. The height can also be adjusted to very high or average, which helps a lot. Overall, I give this monitor a 9/10; one point is taken off due to the original full price. But if that doesn't bother you, go for it! ... show more
Reviewed in the United States on November 26, 2025 by ALZ ALZ
    • Widescreen Oled beast!!
Size: 39 inch
Review Image by Seth Seth
Absolute beast of a monitor! sure it might not be as sharp as a 4k screen but the immersion of a 39 inch monitor is something beautiful. My last monitor was a 3440x1440, 34 in wide screen and the difference between 34 and 39 is more than you would think. This display is massive. And beautiful, and OLED is sooo much better than the TN panel in my old screen. Gaming is pure joy on this thing.! ... show more
Reviewed in the United States on November 24, 2025 by Seth Seth
    • Stunning 5k2k OLED Quality on the Desktop
Size: 45 inch
This monitor works great. It brings OLED-TV picture quality and vivid color to the desktop. Now I get the same feeling watching movies on my monitor as I do on my TV. Text is very sharp, and the image is clear and colorful. The only drawback I can think of is that they should have used an aluminum stand. For a ~$1500 monitor, it deserves it. Therefore, I give it a rating of 4.9/5. Note: I’ve seen people post photos showing unclear text and incorrect colors. I ran into the same issues when using an older PC that doesn’t support 5K2K, or when using the wrong adapter or cable. It works well with a Mac Mini M2, mac pro M4, 2019 Intel i9 Mac Pro, and ThinkPad X1 Extreme using a direct USB-C connection. ... show more
Reviewed in the United States on November 26, 2025 by Hope123
    • Terrible quality/build
Size: 34 inch
The media could not be loaded. After setting up and turning it on for the first time. I immediately was disappointed and on the startup screen I already saw dead pixels and lines across the monitor. Hoping it wasn’t an issue and maybe it was because the monitor was turning on for the first time. I proceeded with the setup but even through the setup those issues persist and the monitor even started flickering. Sadly for the money spent, I am severely disappointed in this oled monitor. Both my current monitors are Lg ultrawide as well. So I decided to upgrade my main one to an Oled. But what I received is a severe disappointment ... show more
Reviewed in the United States on November 13, 2025 by Jarryboi
    • Blows me Away But Has Problems
Size: 39 inch
First let me start off by saying congratulations if you are reading this review. You are looking at a product that is truly something special. A 1700$ monitor is pretty wild when you think about it. Personally, I can't afford it but I bought it anyway. Why you might ask? Because I only buy the best for myself despite being low income. I felt this monitor would be keystone to the PC I built in November where again, I spared no expense. My initial reaction to this monitor was dear God please don't let me break it taking it out of the box. The screen bezel is very small and you dont want to be wrapping your fingers around this monitor. Bad things will happen. Once I read the extremely vague and poorly translated instructions(More on this topic later) I had the monitor on the desk without having anything bad happen. I felt lucky this was the case. The way this thing was packaged felt like an accident waiting to happen. But I digress. On to the good stuff. The monitor is absolutely stunning and beautiful and almost every imaginable way. Visually it has me looking up from my pillow at night thinking "Damn Daniel." Once properly set up I soon realized I was dealing with a huge leap forward in picture quality and color representation from my nearly 13 year old 1080p BEN Q monitor. I mean...Que Owen Wilson Voice here..."WOW" Its gorgeous. Gaming has been super fun on this bad boy (Or girl) not sure what the monitor identifies as. Personally I believe the finest things in life are female. Like a ferarri. Ya that's right. This thing is a Ferrari of monitors compared to the Lexus I had been using for so long. But I feel there's some things I'm a little worried about. Here are some of my negative things to say and this is why it's not a perfect 5 stars. The documentation with the monitor seems very lacking. I didn't find a real owners manual explaining things in great detail. I even looked online and that also wasn't anything impressive or super helpful. I'm trying to better understand what it means to own an OLED. A type of screen known for it's issues with Burn in. That's right. The documentation is vague and unhelpful when it comes to burn in. They have no problem saying they won't cover burn in with their warranty but it's ok for the consumer to drop nearly 2 grand on something with a user manual translated by God only knows. LG your "Long periods of time" advice for preventing burn in is very vague in my opinion. You should also offer burn in protection. Im not talking about the obvious situations. I dont expect to have a monitor replaced if I freeze frame on Pedro Pascals face for 12 hours and it destroys the screen. But this is a gaming monitor. I dont play a single game that does not have static HUD elements present. These are objects which do not move or go away during play. How long until one of these in game elements damages my gaming monitor? I only have a vague answer for that. Big Problem. Additionally is seems like cleaning this thing is going to be interesting. The monitor has technologies for keeping it healthy, but again; The information on them and how often they should be run is pretty vague in my opinion. In closing, this is a fantastic product that I have my fingers crossed that it works out to my expectations. So far is has only impressed and changed my opinion completely on curved displays and 1440p resolution gaming. I hope if you order one it comes in good condition. My box was a little banged up and that had me worried but alas all is well so far. Only time will tell whether I made a good choice in going with an OLED or if I have doomed myself by spending so much on a monitor that wont make it 13 years like my 600$ LCD. To anyone who braves the water and buys one I wish you all the luck. Fly safe. ... show more
Reviewed in the United States on April 14, 2025 by The Dr.
    • High price high value
Size: 45 inch
Review Image by Brandon Brandon
It doesn’t feel like an ultrawide monitor. This is something just a little better. Coming from 38GN950-B for gaming and 32GQ950-B for editing, the LG 45GX950A-B is both combined and this is exactly what I was looking to purchase. Monitor is so large that the curve is irrelevant, won’t bother you at all. No dead pixels, no screen issues, no flicker, no OSD issues, and the packaging was good even if the box is massive. Built in speakers are as basic as it gets. Matte coating I’ve been accustomed to for many years as I’ve had almost every LG ultrawide 34”-38”. It is difficult to explain the feeling using this monitor. Feels like using the 32GQ950-B with much more real estate. 4k + ultrawide I’ve never experienced OLED, every other LG gaming monitor that I have used has those odd light blooms in squares on the screen when using HDR, but this one has very clean differentiation between blacks and bright colors. Expensive monitor but it is honestly the endgame monitor. Try your local Best Buy to see in person, it is not as intimidating as one might think. ... show more
Reviewed in the United States on September 11, 2025 by Brandon Brandon

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