39-inch UltraGear evo GX9, World's First 39" 5K2K OLED Gaming Monitor

39GX950B-B

Key Features

39-inch5K2K (5120x2160) OLED display, 143 PPI
4th Gen Tandem OLED, 1500nits (peak) brightness
VESADisplayHDR™ True Black 500 with DCI-P3 99.5% (Typ.)
Dual-Mode(5K2K 165Hz ↔ QHD 330Hz),0.03ms (GtG) Response time
DP 2.1 (UHBR 20), USB-C (PD90W), HDMI 2.1
AI Sound & AI Scene Optimization

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World's first 39-inch 5K2K OLED gaming monitor powered by AI Upscaling tech

39-inch UltraGear evo OLED GX9, The World’s First 39-inch 5K2K Gaming Monitor (39GX950B) with AI Upscaling

*Based on published specifications of gaming monitors as of March 2026, LG 39GX950B is the first gaming monitor with 39-inch 5K2K (5120x2160) OLED display.

**Images have been simulated to enhance feature understanding, and may differ from actual use experience.

UltraGear 39-inch 5K2K Tandem OLED gaming monitor (39GX950B) with AI upscaling, Perfect Black, 143 PPI, 330Hz at WFHD, HDR 500

*Based on published specifications of gaming monitors as of March 2026, LG 39GX950B is the first gaming monitor to support AI upscaling to 5K2K resolution.

**39GX950B offers a peak brightness of 1500 nits, measured under internal test conditions. Actual brightness may vary by usage environment.

***39GX950B supports Dual-Mode with refresh rates of 165Hz at 5K2K and 330Hz at WFHD.

Discover a new level of immersion with the 39-inch 5K2K (5120×2160) display. Designed in a 21:9 UltraWide format with a 1500R curved screen, offering about 33% more pixels than a 32-inch 4K display, it gently surrounds your vision to create a more immersive viewing experience. The high-density 5K2K resolution delivers crisp detail and visual depth, keeping every scene sharp, focused, and deeply engaging across a variety of games.

The display expands from a 32-inch 16:9 4K screen to a 39-inch 21:9 5K2K gaming monitor for more immersive game visuals

*Based on published specifications of gaming monitors as of March 2026, LG 39GX950B is the first gaming monitor with 39-inch 5K2K (5120x2160) OLED display.

**Images have been simulated to enhance feature understanding, and may differ from actual use experience.

World’s first 5K2K AI Upscaling.
No GPU upgrade required.*

UltraGear evo™’s built-in processor powers 5K2K AI Upscaling, intelligently enhancing content to 5K2K resolution from any device. Without additional GPU or hardware upgrades, it intelligently upscales content to deliver sharper detail and improved resolution.**

UltraGear gaming monitor (39GX950B) featuring on-device AI upscaling to 5K2K, enhancing contents without a GPU upgrade

with AI Upscaling

without AI Upscaling

*Based on published specifications of gaming monitors as of March 2026, LG 39GX950B is the first gaming monitor to support AI upscaling to 5K2K resolution.

**Upscaling performance may vary depending on the input source. No GPU upgrade required for AI Upscaling functionality. A compatible external device (PC/GPU/console) is required for game operation.

***To experience optimal AI upscaling performance, set your console or PC to 1080p at 60 Hz.

****Images have been simulated to enhance feature understanding, and may differ from actual use experience.

4th Gen Tandem OLED.
Ultra-high 1500nits brightness.*

Powered by 4th Gen Tandem OLED, LG 39GX950B delivers brighter visuals—reaching up to 1500 nits of peak brightness for visibly clearer gameplay, helping you to see on-screen visuals with precision even in bright environments.

UltraGear gaming monitor (39GX950B) displaying sharp gameplay with 1,500 nits peak brightness and 4th Gen Tandem OLED

*39GX950B offers a peak brightness of 1500 nits, measured under internal test conditions (@HDR, 1.5% APL). Actual brightness may vary by usage environment.

*Images have been simulated to enhance feature understanding, and may differ from actual use experience.

Triple Perfect Visuals verified by UL,
even in bright light

Perfect Black

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

Perfect Color & 100% Color Fidelity

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

Perfect Reproduction

UL-verified Perfect Reproduction ensures games and content appear as intended, with accurate color, luminance, and detail in both dark and bright environments.

UltraGear gaming monitor (39GX950B) delivers perfect black levels and perfect colors with 4th Gen Tandem OLED technology.

*Among OLED gaming monitors. The images are simulated for illustrative purposes only.

**Images have been simulated to enhance feature understanding, and may differ from actual use experience.

Bright highlights and clear detail in the darkness

Experience greater depth and vibrant realism with VESA DisplayHDR™ True Black 500, enhancing contrast to reveal bright highlights and refined shadow detail in games. Bright, high-impact effects appear more vivid and clearly defined, while dark scenes retain texture and clarity without losing detail. With DCI-P3 99.5% (Typ.) color gamut, the monitor provides that colors are displayed with realistic detail, as close to the original intent as possible.

*The images simulated to enhance feature understanding. It may differ from actual use.

High 143 PPI clarity for both gaming & productivity

With a 143 PPI (Pixels Per Inch), it delivers a precise gaming experience and better productivity. During gameplay, in-game texts, UI elements, and fine details appear clearer and well-defined, making HUDs (Head-Up Displays), menus, and on-screen information easier to read. It also enhances clarity for text-heavy tasks such as document editing, web browsing, or coding.

UltraGear gaming monitor (39GX950B) with 143 PPI for precision and clarity in gaming compared to 70 PPI

High-PPI precision for gaming

UltraGear gaming monitor (39GX950B) with 143 PPI for precision and clarity in productivity compared to 70 PPI

High-PPI clarity for productivity

*Images have been simulated to enhance feature understanding, and may differ from actual use experience.

Less eye strain
with UL-verified eye comfort tech

LG UltraGear's UL-verified advanced eye comfort technologies minimize frustrating reflections and are designed with visual comfort in mind, delivering crystal-clear gaming performance with consistent clarity. With UL verifications in key areas—reducing screen flicker, minimizing discomfort glare—these technologies promote visual comfort and contribute to a smoother gaming experience, whether you’re gaming in bright environments or LED-lit rooms.

*All pictures shown are simulated for illustration purpose only.

*LG 4th Gen Tandem OLED has been verified as Flicker-Free, Discomfort Glare Free, and Eyesafe 3.0 (CPF60, RPF40) by UL.

*Certificate Number: Flicker-Free Display (OLED) - A196009, Discomfort Glare Free - V563481 (conditions of UGR less than 22), Eyesafe 3.0 CPF60 - V745354, Eyesafe 3.0 RPF40 - V275741

*The above feature may vary depending on the user’s computing environment or conditions.

Maximize productivity with an expanded
5K2K UltraWide canvas

UltraGear isn’t just for gaming — its expansive 5K2K resolution with 143 PPI delivers sharp, detailed visuals that are ideal for creators and multitaskers alike. While a typical 16:9 dual or triple monitor setup can lead to interruptions in your view due to bezels between displays, a wider 21:9 aspect ratio allows you to manage your entire workflow on a single screen. Whether you're retouching photos, editing videos, or searching for references, everything stays visible.

UltraGear gaming monitor (39GX950B) maximizes productivity in video and photo editing with its 21:9 screen

*Images have been simulated to enhance feature understanding, and may differ from actual use experience.

Optimized refresh rates for every genre with Dual-Mode

Seamlessly match your game type with the ideal refresh rate using VESA Certified Dual-Mode—simply switch from 165Hz at 5K2K for AAA titles such as RPG and adventure to 330Hz at WFHD for fast-paced games like FPS and racing.

LG UltraGear gaming monitor (39GX950B) with Dual Mode, supporting 165Hz at 5K2K and 330Hz at WFHD for games from RPG to FPS

*Images have been simulated to enhance feature understanding, and may differ from actual use experience.

0.03ms (GtG). Quick response for gameplay.

The 0.03ms (GtG) response time is built to reduce ghosting, helping maintain clearer on-screen transitions for smoother, more responsive gameplay.

*Images have been simulated to enhance feature understanding, and may differ from actual use experience.

Smooth motion that keeps you immersed

Minimize tears and lags with NVIDIA® G-SYNC® compatible and AMD FreeSync™ Premium Pro technology. Experience significantly reduced screen tearing and stuttering for smooth visuals with minimized motion blur and ghosting.

UltraGear gaming monitor (39GX950B) delivers smooth, tear-free racing gameplay with NVIDIA G-SYNC and AMD FreeSync Premium Pro

*Images have been simulated to enhance feature understanding, and may differ from actual use experience.

Latest connectivity for your powerful, future-ready gaming station

LG UltraGear evo AI 39GX950B features the latest port selection, including DisplayPort 2.1 (UHBR 20), USB Type-C (PD 90W), and HDMI 2.1—seamlessly connected to a wide range of gaming devices and bringing your ultimate gaming station. Equipped with DisplayPort 2.1 (UHBR 20), LG UltraGear evo AI provides the high bandwidth required for high-resolution, high-refresh-rate gaming on high-performance GPUs—delivering clean visuals and smooth gameplay. USB Type-C supports display output, data transfer, and up to 90W device charging simultaneously via a single cable. HDMI 2.1 provides stable connections with consoles and other devices.

UltraGear gaming monitor (39GX950B) connected to a PC, laptop, and console via DisplayPort 2.1, USB Type-C, and HDMI 2.1

*Images have been simulated to enhance feature understanding, and may differ from actual use experience.

AI Sound for clearer, more immersive gameplay

AI Sound intelligently separates individual audio elements—voices, effects, and background sounds—and adapts to gameplay for more controlled, immersive audio, creating a virtual 7.1.2 channel sound experience. Through 7W×2 built-in stereo speakers or headphones, voices remain clear even in intense firefights, while critical cues like approaching footsteps stay easy to detect during gameplay.

*Images have been simulated to enhance feature understanding, and may differ from actual use experience.

AI Scene Optimization for optimal display settings

AI Scene Optimization recognizes what’s on screen and automatically adjusts key picture settings such as color temperature, color enhancement, and sharpness to match each content type—including Office, Animation, Movie, Game, and Sports modes.

*Images have been simulated to enhance feature understanding, and may differ from actual use experience.

Protect your display with OLED Care

OLED Care features designed to help reduce the risk of image retention and burn-in that can occur when static high-contrast images are displayed for extended periods.

*Images have been simulated to enhance feature understanding, and may differ from actual use experience.

2-year warranty for UltraGear OLED gaming monitor (39GX950B)

2-YEAR WARRANTY for UltraGear OLED gaming monitors

2 years from the date of original retail purchase and internal and functional parts only, including OLED Display Panel.

*Based on the standalone purchase price of the warranty available on LG.com.

*Images have been simulated to enhance feature understanding, and may differ from actual use experience.

All Spec

FEATURES

Reader Mode
YES
AMD FreeSync™
FreeSync Premium Pro
Auto Input Switch
YES
Black Stabilizer
YES
Color Calibrated in Factory
YES
Color Weakness
YES
Crosshair
YES
Dynamic Action Sync
YES
FPS Counter
YES
HDR 10
YES
HDR Effect
YES
HW Calibration
HW Calibration Ready
NVIDIA G-Sync™
G-SYNC Compatible
PBP
2PBP
PIP
YES
RGB LED Lighting
Unity Hexagon Lighting 2.0
Smart Energy Saving
YES
User Defined Key
YES
VESA DisplayHDR™
DisplayHDR™500 TRUE BLACK
VRR
YES

ACCESSORY

HDMI
YES (ver 2.1)
Adapter
YES
Display Port
YES
HDMI (Color/Length)
Black / 1.8m
Others (Accessory)
Door
Power Cord
YES
USB-C
YES

CONNECTIVITY

DisplayPort
YES(1ea)
DP Version
2.1
Headphone out
4-pole (Sound+Mic)
USB-C
Yes (1Up)
USB-C (Data Transsmission)
YES
USB-C (Max. Resolution at Hz)
5120 x 2160@165Hz
USB-C (Power Delivery)
90W
USB Downstream Port
YES(2ea/ver3.2 Gen2)
USB Upstream Port
YES(via USB-C)

DIMENSIONS/WEIGHTS

Dimension in Shiping (W x H x D) [mm]
1035 x 296 x 549
Dimension without Stand (W x H x D) [mm]
921.4 x 405.0 x 118.7mm
Dimension with Stand (W x H x D) [mm]
921.4 x 605.4 x 322.8mm (UP) 921.4 x 495.4 x 322.8mm (Down)
Weight in Shipping [kg]
16.2kg
Weight without Stand [kg]
6.8kg
Weight with Stand [kg]
10.7kg

DISPLAY

Aspect Ratio
21:9
Brightness (Min.) [cd/m²]
300cd/m²
Brightness (Typ.) [cd/m²]
335cd/m²
Color Bit
10bit
Color Depth (Number of Colors)
1.07B
Color Gamut (Min.)
DCI-P3 94.0% (CIE1976)
Color Gamut (Typ.)
DCI-P3 99.5% (CIE1976)
Contrast Ratio (Min.)
1480000:1
Contrast Ratio (Typ.)
1850000:1
Curvature
1500R
Panel Type
OLED
Pixel Pitch [mm]
0.1776 mm x 0.1776mm
Refresh Rate (Max.) [Hz]
165
Resolution
5120 x 2160
Response Time
0.03ms (GtG)
Size [cm]
98.7
Size [Inch]
38.86
Surface Treatment
Anti-Glare, Low-Reflection of the front polarizer
Viewing Angle (CR≥10)
178º(R/L), 178º(U/D)

INFO

Product name
UltraGear
Year
Y26

MECHANICAL

Display Position Adjustments
Tilt/Height/Swivel
Borderless Design
4-Side Virtually Borderless Design
OneClick Stand
YES
Wall Mountable [mm]
100 x 100

POWER

AC Input
100~240V (50/60Hz)
DC Output
20.0V / 13.5A
Power Consumption (DC Off)
Less than 0.3W
Type
External Power(Adapter)

SOUND

Speaker
7W x 2

STANDARD

CE
YES
KC (for Rep. of Korea)
YES
UL (cUL)
YES

SW APPLICATION

Dual Controller
YES
LG Calibration Studio (True Color Pro)
YES

How is UltraGear "evo" lineup different from UltraGear gaming monitors?

LG UltraGear™ evo differs from standard UltraGear gaming monitors as a premium high-resolution lineup within the UltraGear brand, while standard UltraGear gaming monitors cover a broader range focused on speed, responsiveness, and display variety.

UltraGear evo features WUHD (5K2K) resolution and above, delivering higher pixel density and more refined visual detail. It also integrates next-generation panel technologies, including 4th Gen RGB Tandem OLED and anti-blooming Hyper Mini LED with up to 2,304 local dimming zones for precise light control.

In addition, UltraGear evo features the world's first monitor on-device 5K AI Upscaling and AI Scene Optimization, enabling real-time image enhancement directly on the monitor. This makes UltraGear evo especially well suited for users who want both immersive scale and professional-grade visual fidelity.

In contrast, standard UltraGear models span QHD and 4K options across IPS, VA, and OLED panels, with a stronger focus on high refresh rates and fast response times. Select UltraGear evo models also support Dual Mode, allowing users to switch between ultra-high-resolution gameplay and ultra-fast refresh rate modes based on their needs.

If you are choosing between them, evo is designed for advanced high-resolution gaming and content creation, while standard UltraGear offers more mainstream performance and price flexibility.

What are the benefits of UltraGear evo gaming monitors?

UltraGear evo gaming monitors deliver ultra-high-resolution visuals and immersive performance, designed for users who both game and create. By combining next-generation panel technology with on-device AI upscaling, they enhance image quality and performance without adding GPU load.

Key benefits include:

- World’s First 5K AI Upscaling: Enhances lower-resolution content to near 5K in real time, improving detail and sharpness without added latency.

Ultra‑High Pixel Density (up to 218 PPI):

Provides approximately 78% more pixels than 4K. The 5K resolution corresponds to a pixel area similar to four QHD displays, enabling simultaneous use of multiple high‑resolution windows (27‑inch GM9).

- Dual Mode Flexibility: Switch between 5K/5K2K (165Hz) for immersive play and up to 330Hz for competitive gaming.

- Advanced Backlighting with Hyper Mini LED: Delivers ultra-high brightness with precise light control and reduced blooming for clearer visibility (27-inch GM9).

- Next-Generation Panel Technologies: Includes 4th Gen RGB Tandem OLED and Mini LED, improving brightness and maintaining consistent color performance.

Large ultra-wide formats and curved designs, including 1000R curvature on select models, create a more immersive field of view, while connectivity options such as HDMI, DisplayPort, and USB-C help simplify multi-device setups, supporting both gaming and productivity in a single setup. Overall, UltraGear evo stands out by combining ultra-high resolution, AI-enhanced visuals, and flexible performance modes within one lineup.

What are the key models in the UltraGear evo lineup?

The key models in the LG UltraGear evo lineup are the UltraGear evo GX9 (39GX950B), UltraGear evo GM9 (27GM950B), and UltraGear evo G9 (52G930B). The main differences between the models are screen size, panel technology, curvature, and refresh rate.

The GX9 is a 39-inch 5K2K OLED gaming monitor with a 1500R curved design, built for immersive ultrawide gameplay and high pixel density.

The GM9 is a 27-inch 5K gaming monitor featuring Hyper Mini LED with anti-blooming technology, designed for ultra-high brightness, precise light control, and accurate color performance.

The G9 is a 52-inch 5K2K ultrawide gaming display with a 240Hz refresh rate, aimed at gamers who want a larger, more cinematic field of view.

These flagship models cover three key use cases : compact high-density 5K, immersive 5K2K OLED ultrawide, and large-screen 5K2K high-refresh gaming.

What is the AI upscaling feature in UltraGear evo?

UltraGear evo’s AI upscaling is an on-device feature that enhances lower-resolution content to near-native 5K quality in real time.

The On-Device AI Upscaling in UltraGear evo is a hardware-integrated technology that enhances lower-resolution content to near-native 5K quality. This built-in AI processor intelligently sharpens details and reduces noise from any source—including consoles and laptops. This ensures that gamers can enjoy ultra-high-definition visuals and consistent performance across all titles.

Why it’s a Game-Changer:

- Intelligent Optimization: Works in tandem with AI Scene Optimization to dynamically adjust brightness and contrast based on the game genre.

- Broad Compatibility: Intelligently enhances any input source of FHD (1080p) and above, perfect for playing classic titles on a premium 5K canvas. Adventure games originally enjoyed on a handheld console can be viewed in crisp 5K through intelligent upscaling

Which UltraGeaer evo monitors are most popular with gamers who prefer a premium experience?

For gamers seeking a premium curved gaming experience, LG UltraGear evo curved monitors deliver immersive, high-resolution gameplay through advanced curvature, next-generation panels, and on-device AI upscaling.

UltraGear evo GX9 (39GX950B) and UltraGear evo G9 (52G930B), for instance, are both designed for high-end, immersive gaming setups.

The GX9 (39GX950B) is designed for players who want a refined balance of immersion and clarity, with a 39-inch 5K2K OLED ultrawide display and a 1500R curve that aligns naturally with your field of view. As the world’s first 39-inch 5K2K OLED curved display, it maintains consistent clarity across the screen. On-device AI upscaling further enhances fine detail to near-native 5K quality.

The G9 (52G930B) appeals to gamers who prefer a more expansive, cinematic setup. It features a 52-inch 5K2K ultrawide screen, a tighter 1000R curve, and a 240Hz refresh rate for fast, fluid gameplay at scale.

If you want a curved monitor that feels more balanced in size, the GX9 is a strong premium choice, while the G9 is better suited for maximum screen presence and deeper wraparound immersion.

For setup planning, both models are well-suited to high-end PCs and desk setups optimized for ultrawide gaming.

Experience this product around you.