LG UltraGear OLED GX9 5K2K 45GX950A Gaming Monitor

45 inch · 5120 x 2160 · 165 Hz · OLED

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Screen size 45 inch
Resolution 5120 x 2160
Refresh rate 165 Hz
Panel OLED
Response time 0.03 ms

LG UltraGear OLED GX9 5K2K 45GX950A Gaming Monitor is a 45-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 2025.

Released: 2025-03-22

Specifications

Key specs

Screen size: 45 inch
Resolution: 5120 x 2160
Refresh rate: 165 Hz
Panel: OLED
Response time: 0.03 ms
Released: 2025-03-22
Part number: 45GX950A-B.AEK
EAN / UPC: 8806096436462

Display

Display diagonal: 114.3 cm (45")
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): 1300 cd/m²
Display brightness (typical): 275 cd/m²
Response time: 0.03 ms
Response time measurement type: GTG (Gray to Gray)
Display surface: Matt
Anti-glare screen: Yes
Screen shape: Curved
Screen curvature rating: 800R
Supported graphics resolutions: 5120 x 2160
Supported video modes: 720p, 1080p, 1440p, 2160p
Contrast ratio (typical): 1500000:1
Maximum refresh rate: 165 Hz
Refresh rate optimizor: Yes
Viewing angle, horizontal: 178°
Viewing angle, vertical: 178°
Display number of colours: 1.07 billion colours
Pixel pitch: 0.2035 x 0.2035 mm
Pixel density: 125 ppi
High Dynamic Range (HDR) supported: Yes
High Dynamic Range (HDR) technology: High Dynamic Range 10 (HDR10), DisplayHDR 400 True Black, HDR Effect
DDC/CI: Yes
Colour depth: 10 bit
Colour gamut standard: DCI-P3
DCI-P3 coverage: 98.5%

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
Flicker-free technology: Yes
Low Blue Light technology: Yes
Game mode: Yes
Game features: Screen Size Optimizer

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Multimedia

Number of speakers: 2
RMS rated power: 20 W
Built-in speaker(s): Yes

Design

Market positioning: Gaming
Product colour: Black
Frameless design: Yes
Detachable stand: Yes

Ports & interfaces

Built-in USB hub: Yes
USB hub version: 3.2 Gen 1 (3.1 Gen 1)
USB upstream port type: USB Type-C
Number of upstream ports: 1
Number of downstream ports: 2
Number of USB Type-C upstream ports quantity: 1
USB Type-A downstream ports quantity: 2
USB Type-C downstream ports quantity: 1
USB Type-C DisplayPort Alternate Mode: Yes
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
HDCP: Yes
HDCP version: 2.3

Ergonomics

VESA mounting: Yes
Panel mounting interface: 100 x 100 mm
Wall mountable: Yes
Cable lock slot: Yes
Height adjustment: Yes
Swivelling: Yes
Tilt adjustment: Yes
Picture-in-Picture: Yes
On Screen Display (OSD): Yes
LED indicators: Yes

Power

Energy efficiency class (SDR): F
Energy efficiency class (HDR): F
Energy consumption (SDR) per 1000 hours: 45 kWh
Energy consumption (HDR) per 1000 hours: 45 kWh
Power consumption (standby): 0.5 W
Power consumption (off): 0.3 W
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): 991.6 mm
Depth (with stand): 342 mm
Height (with stand): 665.6 mm
Weight (with stand): 14 kg
Width (without stand): 991.6 mm
Depth (without stand): 225.5 mm
Height (without stand): 460.7 mm
Weight (without stand): 9.4 kg

Other features

Brand specific technologies: Aspect Ratio Options, Black Stabiliser, Crosshair, DAS Mode, Dual Mode, Glare Free, Super+ Resolution, Ultrawide GameView
Hardware calibration: Yes
Warranty period: 2 year(s)

Check the manufacturer's page before buying.

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About this product

World's first 5K2K OLED The world's first 45-inch 5K2K (5120x2160) OLED display provides a 34% wider view than standard 16:9 displays and a 33% increase in pixel count over UHD (3840x2160). This 5K2K OLED represents boldly more darker shadows, brigher lights and vibrant colours while gameplay in any environments. The brightest OLED Experience stunning visuals with LG WOLED. Built on LG's OLED leadership and featuring Micro Lens Array+ (MLA+) technology, it delivers up to 37.5% brighter SDR, optimizing light efficiency and minimizing loss. It represents a standard luminosity of 275 nits (APL 100%) and a peak brightness of 1300 nits (APL 1.5%). With Delta E ≦ 2 colour accuracy, it ensures vivid, true-to-life colours for immersive, precise gaming even in bright environments. Step into the 21:9 sweet spot for gaming No more fisheye experience to take in both sides of the 49-inch 32:9 ratio display at a glance. The 45-inch 21:9 curved OLED monitor offers a 12% larger viewing area** and this balanced, optimized ratio creates immersive and captivating gameplay. Once you experience the 45-inch 21:9 sweet spot, you'll never go back to shorter.

User manual (PDF)

UltraGear OLED GX9 5K2K 45GX950A Gaming Monitor vs similar monitors

	LG UltraGear OLED GX9 5K2K 45GX950A Gaming Monitor	LG 45GX950B-B 45″ 165Hz Monitor	LG 45" LG UltraGear evo GX9 Gaming Monitor, World’s First AI Upscaling 5K2K OLED	LG 39GX950B-B 39″ 165Hz Monitor
Screen size	45 inch	45 inch	45 inch	39 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	2025	2026	2026	2026