LG 34GX90SA-W 34″ 240Hz Monitor

34 inch · 3440 x 1440 · 240 Hz · OLED

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Screen size 34 inch
Resolution 3440 x 1440
Refresh rate 240 Hz
Panel OLED
Response time 0.03 ms

LG 34GX90SA-W 34″ 240Hz Monitor is a 34-inch monitor with 3440 x 1440 resolution, a 240 Hz refresh rate and OLED panel. The high refresh rate makes fast games look smoother. It came out in 2025.

Released: 2025-02-07

Specifications

Key specs

Screen size: 34 inch
Resolution: 3440 x 1440
Refresh rate: 240 Hz
Panel: OLED
Response time: 0.03 ms
Released: 2025-02-07
Part number: 34GX90SA-W.AEU
EAN / UPC: 8806096435939

Display

Display diagonal: 86.4 cm (34")
Display resolution: 3440 x 1440 pixels
HD type: Wide Quad HD
Native aspect ratio: 21:9
Display technology: OLED
Panel type: OLED
Display brightness (typical): 275 cd/m²
Response time: 1 ms
Response time measurement type: GTG (Gray to Gray)
Anti-glare screen: Yes
Screen shape: Curved
Screen curvature rating: 800R
Contrast ratio (typical): 1500000:1
Maximum refresh rate: 240 Hz
Viewing angle, horizontal: 178°
Viewing angle, vertical: 178°
Display number of colours: 1.07 billion colours
Response time (fast): 0.03 ms
Pixel pitch: 0.231 x 0.231 mm
High Dynamic Range (HDR) supported: Yes
High Dynamic Range (HDR) technology: DisplayHDR 400 True Black, Dynamic Tone Mapping
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
VESA Adaptive Sync support: Yes
Flicker-free technology: Yes
Low Blue Light technology: Yes
Game mode: Yes
Operating system installed: webOS

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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: White
Illuminated stand: Yes

Ports & interfaces

USB Type-A downstream ports quantity: 2
USB Type-C downstream ports quantity: 1
USB Power Delivery (USB PD): Yes
USB Power Delivery up to: 65 W
HDMI: Yes
HDMI ports quantity: 2
HDMI version: 2.1
DisplayPorts quantity: 1
DisplayPort out version: 1.4
Headphone out: Yes

Network

Bluetooth: Yes
Ethernet LAN: Yes

Ergonomics

VESA mounting: Yes
Panel mounting interface: 100 x 100 mm
Height adjustment: Yes
Pivot: Yes
Swivelling: Yes
Tilt adjustment: Yes

Power

Energy efficiency class (SDR): G
Energy efficiency class (HDR): G
Energy consumption (SDR) per 1000 hours: 32 kWh
Energy consumption (HDR) per 1000 hours: 39 kWh
Power consumption (off): 0.5 W
AC input voltage: 220 - 240 V
AC input frequency: 50/60 Hz
Power supply type: External
Energy efficiency scale: A to G

Weight & dimensions

Width (with stand): 784.1 mm
Depth (with stand): 291.8 mm
Height (with stand): 580.4 mm
Weight (with stand): 10.4 kg
Width (without stand): 784.1 mm
Depth (without stand): 167.1 mm
Height (without stand): 358.3 mm
Weight (without stand): 6.2 kg

Other features

Brand specific technologies: Black Stabiliser
Picture processing technology: LG AI Picture
FPS counter: Yes

Check the manufacturer's page before buying.

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About this product

The webOS-powered smart gaming monitor Introducing the smart gaming monitor, powered by webOS with AI, allowing you to relax during game breaks with effortless streaming1), including free LG Channels and numerous streaming options. Plus, access high-performance cloud gaming1) without a separate PC or console, all easily controlled with the remote2) for added convenience. The Gaming Portal is now open The Gaming Portal is a gaming-friendly platform that offers a tailored experience, with options to select menus for gamepads or remote controls and support for personalized gamification. You can track rankings and points among players, while easily accessing a wide range of titles, from AAA to social games. With partnerships with leading cloud gaming services like GeForce NOW, Amazon Luna, and soon Xbox Cloud, along with native webOS app games, it allows gaming without the need for external consoles or devices, delivering the ultimate gaming experience. Sharper characters, enhanced realism With AI Picture, it delivers lifelike game visuals that highlight faces and bodies, reduce noise, and add depth.

User manual (PDF)

34GX90SA-W vs similar monitors

	LG 34GX90SA-W 34″ 240Hz Monitor	LG 39GX90SA-W.AAU 39″ 240Hz Monitor	LG 45GX90SA-B 45″ 240Hz Monitor	AOC AGON PRO AG346UCDAM 34″ 175Hz Monitor
Screen size	34 inch	39 inch	45 inch	34 inch
Resolution	3440 x 1440	3440 x 1440	3440 x 1440	3440 x 1440
Refresh rate	240 Hz	240 Hz	240 Hz	175 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