LG · Monitor
LG 39" LG UltraGear evo GX9, World's First 39" 5K2K OLED Gaming Monitor
39 inch · 5120 x 2160 · 165 Hz · OLED
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- Screen size 39 inch
- Resolution 5120 x 2160
- Refresh rate 165 Hz
- Panel OLED
- Response time 0.03 ms
LG 39" LG UltraGear evo GX9, World's First 39" 5K2K OLED Gaming Monitor is a 39-inch monitor with 5120 x 2160 resolution, a 165 Hz refresh rate and OLED panel. The high refresh rate makes fast games look smoother. It came out in 2026.
- Released
- 2026-04-06
Specifications
Key specs
- Screen size
- 39 inch
- Resolution
- 5120 x 2160
- Refresh rate
- 165 Hz
- Panel
- OLED
- Response time
- 0.03 ms
- Released
- 2026-04-06
- Part number
- 39GX950B-B
Display
- Display diagonal
- 99.1 cm (39")
- Display resolution
- 5120 x 2160 pixels
- HD type
- 5K Ultra HD
- Native aspect ratio
- 21:9
- Display technology
- OLED
- Panel type
- OLED
- Display brightness (typical)
- 335 cd/m²
- Response time
- 0.03 ms
- Response time measurement type
- GTG (Gray to Gray)
- Screen shape
- Curved
- Screen curvature rating
- 1500R
- Contrast ratio (typical)
- 1850000:1
- Maximum refresh rate
- 165 Hz
- Viewing angle, horizontal
- 178°
- Viewing angle, vertical
- 178°
- Display number of colours
- 1.07 billion colours
- Pixel pitch
- 0.1776 x 0.1776 mm
- Display diagonal (metric)
- 99 cm
- High Dynamic Range (HDR) supported
- Yes
- High Dynamic Range (HDR) technology
- High Dynamic Range 10 (HDR10)
- Colour gamut standard
- DCI-P3
- DCI-P3 coverage
- 99.5%
Performance
- NVIDIA G-SYNC
- Yes
- NVIDIA G-SYNC type
- G-SYNC Compatible
- AMD FreeSync
- Yes
- AMD FreeSync type
- FreeSync Premium Pro
View all specifications +7 more sectionsShow fewer specifications
Multimedia
- Number of speakers
- 2
- RMS rated power
- 14 W
- Built-in speaker(s)
- Yes
Design
- Market positioning
- Gaming
- Product colour
- Black
Ports & interfaces
- HDMI
- Yes
- HDMI ports quantity
- 2
- DisplayPorts quantity
- 1
- Headphone out
- Yes
Ergonomics
- VESA mounting
- Yes
- Panel mounting interface
- 100 x 100 mm
- Wall mountable
- Yes
- Height adjustment
- Yes
- Swivelling
- Yes
- Tilt adjustment
- Yes
Power
- Energy efficiency class (SDR)
- G
- Energy efficiency class (HDR)
- G
- Energy consumption (SDR) per 1000 hours
- 40 kWh
- Energy consumption (HDR) per 1000 hours
- 46 kWh
- AC input voltage
- 100 - 240 V
- AC input frequency
- 50/60 Hz
- Power supply type
- External
- Energy efficiency scale
- A to G
Weight & dimensions
- Width (with stand)
- 921.4 mm
- Depth (with stand)
- 322.8 mm
- Height (with stand)
- 605.4 mm
- Weight (with stand)
- 10.7 kg
- Width (without stand)
- 921.4 mm
- Depth (without stand)
- 118.7 mm
- Height (without stand)
- 405 mm
- Weight (without stand)
- 6.8 kg
Other features
- FPS counter
- Yes
Check the manufacturer's page before buying.
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About this product
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. 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.** 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.
39" LG UltraGear™ evo GX9, World's First 39" 5K2K OLED Gaming Monitor, Black vs similar monitors
| LG 39" LG UltraGear evo GX9, World's First 39" 5K2K OLED Gaming Monitor | LG 39GX950B-B 39″ 165Hz Monitor | Alienware GAME-AW3926QW 39″ 165Hz Monitor | LG 45GX950B-B 45″ 165Hz Monitor | |
|---|---|---|---|---|
| Screen size | 39 inch | 39 inch | 39 inch | 45 inch |
| Resolution | 5120 x 2160 | 5120 x 2160 | 5120 x 2160 | 5120 x 2160 |
| Refresh rate | 165 Hz | 165 Hz | 165 Hz | 165 Hz |
| Panel | OLED | OLED | OLED | OLED |
| Response time | 0.03 ms | 0.03 ms | 0.03 ms | 0.03 ms |
| Released | 2026 | 2026 | 2026 | 2026 |
Monitor arms that fit a 39-inch size
Check the monitor has VESA mounting holes and that its weight is under the arm's limit.
BenQ Original Stand, Monitor Arm-Ready. VESA Adapter for Studio Arm SCS01FDesk arm · Single
BenQ Studio Arm for iMac AM02Desk arm · Single
BenQ Studio Arm for Studio Display AM01Desk arm · Single
ACT Monitor arm 49" office premium, gas spring, pole mountedDesk arm · Single · 49 inch
Questions about the 39" LG UltraGear™ evo GX9, World's First 39" 5K2K OLED Gaming Monitor, Black
What are the main specs of the LG 39" LG UltraGear evo GX9, World's First 39" 5K2K OLED Gaming Monitor?
39 inch, 5120 x 2160, 165 Hz, OLED.
What screen size is the LG 39" LG UltraGear evo GX9, World's First 39" 5K2K OLED Gaming Monitor?
39 inch.
What resolution is the LG 39" LG UltraGear evo GX9, World's First 39" 5K2K OLED Gaming Monitor?
5120 x 2160.
What is the refresh rate of the LG 39" LG UltraGear evo GX9, World's First 39" 5K2K OLED Gaming Monitor?
165 Hz.
When did the LG 39" LG UltraGear evo GX9, World's First 39" 5K2K OLED Gaming Monitor come out?
It was released in 2026/04 (LG).
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