LG 39GX90SA 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
The 240Hz OLED Smart gaming monitor that's ahead of the (800R) curveThe 39" WQHD OLED with a steep 800R curve and up to 1300 nits (APL 1.5 %) peak brightness pulls you deep into the action, while a 240Hz refresh rate and 0.03 ms response time keep gameplay insanely fast and smooth. Plus, LG's webOS lets you stream your favorites and cloud game-all from one epic screen. Up to 240Hz & 0.03 ms - Outrageous OLED Gaming SpeedGame at the speed of OLED with an ultra-fast 240Hz and near instantaneous 0.03 ms (GtG) response time.
The faster speed lets you respond quickly to opponents and enjoy smoother scenes with less lag or ghosting. Your Favorite Streaming Services Plus Cloud GamingThanks to webOS24, find your favorites fast with built-in access to Netflix, Prime Video, the Apple TV app, Disney+, HBO Max. And over 300 free LG Channels with everything from comedy to movies to sports. Game without a PC or console! Connect to your favorite cloud gaming services such as NVIDIA GeForce NOW, Amazon Luna, and Blacknut directly from the webOS home screen. Ultimate Frame Sync: FreeSync Premium & G-SYNC CompatibleSay 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 ActionSee 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 DistractionsUL-verified "Flicker-free Display", "Discomfort Glare Free" and "Low Blue Light Hardware Solution Platinum", this OLED display keeps your view crisp and colors bold. With advanced anti-glare tech minimizing reflections, you get distraction-free clarity-so you can stay focused and dominate in any lighting. webOS Gaming: AI tools customize your gaming experienceExperience 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 accuracySerious Connectivity for Serious GamersFor next gen console gaming or PC gaming, with HDMI 2.1, DisplayPort 1.4 and USB Type-C (65W power delivery), UltraGear's versatile connectivity enables high-resolution graphics, and fast, fluid gaming. Customize Your Screen View with the Switch AppThe Switch app transforms your screen into a multitasking hub for work, gaming, and streaming. Effortlessly split the screen into up to 6 sections, customize display layouts, or launch video calls with a single hotkey. Navigate smart features with ease and switch seamlessly between your PC and the built-in webOS streaming platform, all with intuitive shortcuts. Battlestation upgrade Adjustable to Gamer SpecsGo big with the virtually borderless 39" OLED screen.
UltraGear's sleek, slim design offers adjustable height, tilt, and swivel control for your ideal view, while RGB hexagonal backlighting sets the mood for your battlestation.
240Hz OLED Smart Monitor that’s 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, LG’s webOS lets you stream your favorites and cloud game—all from one epic screen.
Bright Picture. Deep Blacks, Brilliant Detail
Immerse yourself in vivid visuals with OLED technology, offering up to 98.5% DCI-P3 color, a 1.5M:1 contrast ratio, DisplayHDR True Black 400. Every scene pops with deep blacks and brilliant color.
Your Favorite Streaming Services Plus Cloud Gaming
With webOS24, access Netflix, Prime Video, Disney+, HBO Max & 300+ free LG Channels. Game without a PC or console by connecting to cloud services like NVIDIA GeForce NOW, Amazon Luna, and Blacknut.
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. Faster speed lets you respond quickly to opponents and enjoy smoother scenes with less lag.
Ultimate Frame Sync: FreeSync Premium & G-SYNC
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.
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.
Customize Your Screen View with the Switch App
The Switch app transforms your screen into a multitasking hub for work, gaming, and streaming. Effortlessly split the screen into up to 6 sections, customize display layouts, or launch video calls with a single hotkey. Navigate smart features with ease and switch seamlessly between your PC and the built-in webOS streaming platform, all with intuitive shortcuts.
Low Glare, More Focus: Play without Distractions
Stay focused with an OLED screen designed to minimize glare and reflections, reducing distractions so you can focus on every move, target, and win.
Unlock Your Potential w/ Advanced Gaming Features
Dynamic Action Sync reduces input lag for instant response.
Black Stabilizer brightens dark scenes.
FPS Counter tracks frame rate.
Crosshair boosts precision for deadly accuracy.
Serious Connectivity for Serious Gamers
with HDMI 2.1, DisplayPort 1.4 and USB Type-C (65W power delivery), UltraGear's versatile connectivity enables high-resolution graphics, and fast, fluid gaming.
AI Tools Customize Your Gaming Experience
Experience enhanced gaming with webOS AI tools. Dynamic Tone Mapping and AI Picture sharpen visuals, while AI Personalized Picture Wizard customizes settings. AI Sound offers precision-tuned audio.
Battlestation Upgrade Adjustable to Gamer Specs
Go big with the virtually borderless 39” OLED screen. UltraGear's sleek, slim design offers adjustable height, tilt, and swivel control for your ideal view, while RGB hexagonal backlighting sets the mood for your battlestation.
Learn more about the Detailed Specifications
Model
Brand
LG
Part Number
39GX90SA
Cabinet Color
White
Display
Screen Size
39"
Display Type
WQHD
Adaptive Sync Technology
FreeSync Premium (AMD Adaptive Sync)
Resolution
3440 x 1440
Aspect Ratio
21:9
Response Time
0.03 ms
Color Gamut
DCI-P3 98.5%
Refresh Rate
240 Hz
Curved Surface Screen
Curved
Additional Information
First Listed on Newegg
March 23, 2025
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Warranty & Returns
Warranty, Returns, And Additional Information
Return Policies*
Return for refund within: 30 days
Returns are subject to restocking fees and return shipping fees. Please click here to learn more about restocking fees and return shipping fees.
This product does not include manufacturer warranty when purchased or used outside of its designated sales region. By purchasing internationally, you acknowledge that warranty support from the manufacturer will not be available.
