LG UltraGear evo Gx9 Tandem OLED 39GX950B-B Monitor

The OLED Gamers Have Been Waiting For
This 39-inch 5K2K curved OLED gaming monitor delivers the sweet spot of size, speed, and detail. The 21:9 ultrawide display with 143 PPI provides sharp visuals across a wide workspace, while Dual-Mode refresh rates up to 330Hz and 0.03ms response time keep gameplay smooth and responsive.

The World’s First 39" 5K2K OLED Gaming Monitor
This 39-inch 5K2K (5120×2160) UltraGear™ hits the sweet spot of size, resolution, and speed. The wide 21:9 format and 1500R curve expand your field of view, while the dense pixel count delivers crisp detail across every scene in the games you love.

AI Upscaling to 5K2K—No GPU Upgrade Required
UltraGear™ evo’s built-in processor uses AI Upscaling to enhance content toward the display’s 5K2K resolution. It analyzes the source signal to improve detail and clarity—helping games and video look sharper without requiring a GPU upgrade.

Next-Gen Brilliance with 4th Gen RGB Tandem OLED
4th Gen Primary RGB Tandem OLED delivers up to 335 nits typical brightness with improved power efficiency. Its advanced 4-stack RGB structure enhances contrast, sharpens detail, and keeps color precise across every frame.

UL-verified for a "perfect" visual experience

Perfect Black: UL-verified Perfect Black delivers true black levels to enhance perceived brightness and contrast, whether it's bright or dark around you.

Perfect Color and 100% Color Fidelity: UL verified to deliver accurate color expression even under varying lighting conditions, from low light to bright ambient environments.

UL-verified Perfect Reproduction: ensures game content is faithfully rendered on screen, preserving intended color and detail.

Deeper Detail with VESA DisplayHDR™ True Black 500
VESA DisplayHDR™ True Black 500 reveals rich blacks and nuanced shadow detail—even in dark scenes. Combined with a 1.5M:1 contrast ratio, up to 98.5% (typical) DCI-P3 color, and Delta E≤2 accuracy, visuals appear vivid, precise, and true to the creator’s intent.

High 143 PPI for Sharp, Detailed Visuals
With a sharp 143 PPI pixel density, in-game text, HUD elements, and fine visual details appear crisp and easy to read. The added clarity also improves everyday tasks like writing, web browsing, and working with text-heavy documents.

More Room to Create with 5K2K Ultrawide
The expansive 21:9 5K2K display with 143 PPI delivers sharp detail across a wide creative workspace. Edit video, retouch photos, and manage timelines on one seamless screen—while keeping documents, research, and multiple windows visible at the same time.

Dual Mode: 5K2K 165Hz for Detail or WFHD 330Hz for Speed
Switch between 5K2K resolution at 165Hz for cinematic AAA titles and Wide Full HD at 330Hz6 for ultra-responsive competitive gaming. VESA Certified Dual-Mode lets you optimize resolution and refresh rate to match the way you play.

Near-Instant 0.03ms (GtG) Response Time
With a near-instant 0.03ms (GtG) response time, pixels transition incredibly fast—helping reduce ghosting and keep fast-moving gameplay clear and responsive.

NVIDIA® G-SYNC® Compatible & AMD FreeSync™ Premium Pro
Minimize screen tearing and stuttering with NVIDIA® G-SYNC® compatibility7 and AMD FreeSync™ Premium Pro. These adaptive sync technologies help keep gameplay smooth and responsive by matching the monitor’s refresh rate to your GPU—so fast action stays clear with reduced blur and ghosting.

Future-Ready Connectivity for High-Performance Gaming
DisplayPort 2.18 (UHBR20), USB Type-C with 90W power delivery, and HDMI 2.1 provide the connectivity modern gaming setups demand. DP 2.1 delivers the ultra-high bandwidth needed for high-resolution, high-refresh-rate gameplay, while USB-C supports display, data, and charging through a single cable. HDMI 2.1 ensures stable connections with consoles and other devices.

AI Sound Enhances Voices and Key Audio Cues
The AI Sound setting analyzes on-screen action and separates voices, sound effects, and background audio. AI Sound helps keep team comms clear while highlighting important gameplay cues—like approaching footsteps or nearby action—through speakers or connected headphones.

AI Scene Optimization Adapts to Your Content
The AI Scene Optimization setting detects what’s on screen and automatically adjusts picture settings like color temperature and sharpness. It helps optimize the display across preset modes such as Office, Animation, Movie, Game, and Sports.

OLED Care Helps Maintain Your Display
OLED Care helps maintain your OLED display’s long-term performance. Built-in maintenance features, including Pixel Cleaning, help keep the OLED panel operating at its best for consistent image quality over time.

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.