LG 39GX950B-B 39″ 165Hz 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 39GX950B-B 39″ 165Hz 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: 2026-05-21

Specifications

Key specs

Screen size: 39 inch
Resolution: 5120 x 2160
Refresh rate: 165 Hz
Panel: OLED
Response time: 0.03 ms
Released: 2026-05-21
Part number: 39GX950B-B.AEU
EAN / UPC: 8806096768488

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 (peak): 1500 cd/m²
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
Pixel density: 143 ppi
Display diagonal (metric): 99 cm
High Dynamic Range (HDR) supported: Yes
High Dynamic Range (HDR) technology: High Dynamic Range 10 (HDR10), DisplayHDR True Black 500
Colour gamut standard: DCI-P3
Colour gamut: 99.5%

Performance

NVIDIA G-SYNC: Yes
NVIDIA G-SYNC type: G-SYNC Compatible
AMD FreeSync: Yes
AMD FreeSync type: FreeSync Premium Pro
VESA Adaptive Sync support: Yes
Smart modes: Energy saving

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Multimedia

Number of speakers: 2
RMS rated power: 7 W
Built-in speaker(s): Yes

Design

Market positioning: Gaming
Product colour: Black

Ports & interfaces

USB upstream port type: USB Type-C
Number of upstream ports: 1
USB Power Delivery (USB PD): Yes
USB Power Delivery up to: 90 W
HDMI: Yes
HDMI ports quantity: 2
HDMI version: 2.1
DisplayPorts quantity: 1
DisplayPort version: 2.1
Headphone out: Yes

Ergonomics

Panel mounting interface: 100 x 100 mm
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
Power consumption (typical): 45.9 W
Power consumption (standby): 0.5 W
Power consumption (off): 0.3 W
AC input voltage: 100 - 240 V
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

Brand specific technologies: Black Stabilizer, Crosshair
FPS counter: Yes
Picture-by-Picture (PbP): Yes

Check the manufacturer's page before buying.

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About this product

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.

39GX950B-B vs similar monitors

	LG 39GX950B-B 39″ 165Hz Monitor	LG 39" LG UltraGear evo GX9, World's First 39" 5K2K OLED Gaming 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