LG 27" UltraGear OLED 480Hz QHD Gaming Monitor

27 inch · 2560 x 1440 · 480 Hz · WOLED

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Screen size 27 inch
Resolution 2560 x 1440
Refresh rate 480 Hz
Panel WOLED
Response time 0.03 ms

LG 27" UltraGear OLED 480Hz QHD Gaming Monitor is a 27-inch monitor with 2560 x 1440 resolution, a 480 Hz refresh rate and WOLED panel. The high refresh rate makes fast games look smoother. It came out in 2025.

Released: 2025-02-07

Specifications

Key specs

Screen size: 27 inch
Resolution: 2560 x 1440
Refresh rate: 480 Hz
Panel: WOLED
Response time: 0.03 ms
Released: 2025-02-07
Part number: 27GX790A-B
EAN / UPC: 0195174108277

Display

Display diagonal: 68.6 cm (27")
Display resolution: 2560 x 1440 pixels
HD type: 2K
Native aspect ratio: 16:9
Display technology: OLED
Panel type: WOLED
Display brightness (typical): 275 cd/m²
Response time: 0.03 ms
Response time measurement type: GTG (Gray to Gray)
Display surface: Gloss
Anti-glare screen: Yes
Screen shape: Flat
Contrast ratio (typical): 1500000:1
Maximum refresh rate: 480 Hz
Viewing angle, horizontal: 178°
Viewing angle, vertical: 178°
Pixel pitch: 0.2292 x 0.2292 mm
High Dynamic Range (HDR) supported: Yes
High Dynamic Range (HDR) technology: DisplayHDR 400 True Black, High Dynamic Range 10 (HDR10)

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

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Design

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

Ports & interfaces

Built-in USB hub: Yes
USB hub version: 2.0 / 3.2 Gen 1 (3.1 Gen 1)
USB upstream port type: USB Type-B
Number of upstream ports: 1
Number of USB Type-B upstream ports quantity: 1
USB Type-A downstream ports quantity: 2
HDMI: Yes
HDMI ports quantity: 2
HDMI version: 2.1a
DisplayPorts quantity: 1
DisplayPort out quantity: 1
DisplayPort version: 2.1
Headphone out: Yes
Headphone outputs: 1
Headphone connectivity: 3.5 mm

Ergonomics

VESA mounting: Yes
Panel mounting interface: 100 x 100 mm
Wall mountable: Yes
Cable management: Yes
Cable lock slot: Yes
Cable lock slot type: Kensington
Height adjustment: Yes
Adjustable height (max): 11 cm
Pivot: Yes
Swivelling: Yes
Swivel angle range: -30 - 30°
Tilt adjustment: Yes
Tilt angle range: -5 - 15°
Picture-in-Picture: Yes
On Screen Display (OSD): Yes
Plug and Play: Yes

Power

Energy efficiency class (SDR): F
Energy efficiency class (HDR): G
Energy consumption (SDR) per 1000 hours: 25 kWh
Energy consumption (HDR) per 1000 hours: 30 kWh
Power consumption (standby): 0.5 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): 605.2 mm
Depth (with stand): 249.1 mm
Height (with stand): 579.3 mm
Weight (with stand): 9.3 kg
Width (without stand): 605.2 mm
Depth (without stand): 45.3 mm
Height (without stand): 351 mm
Weight (without stand): 5.1 kg

Other features

Low input lag: Yes
FPS counter: Yes
Motion blur reduction: Yes
Screen mirroring: Yes
Local dimming: Yes

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About this product

Superfast 480Hz OLED with DP 2.1 and ClearMR 21000 LG OLED, ongoing evolution Our brilliant UltraGear™ monitor with Micro Lens Array+ technology boasts a brighter OLED with a peak brightness of 1300 nits and an astonishing 480Hz refresh rate, one of the fastest in the world. Even in the darkest gaming scenes, it delivers detailed black depth expression, while its high aspect ratio and wide colour gamut bring vibrant colours to life, offering an unrivaled gaming experience. Superfast OLED, 480Hz and 0.03ms (GtG) Lightning speed Our UltraGear™ OLED monitor delivers unmatched power with a 480Hz refresh rate, offering ultra-smooth visuals and a 0.03ms (GtG) response time for crisp, ghost-free gameplay that gives you a competitive edge. DP 2.1, the wait is over The latest DisplayPort 2.1, sets a new standard for next-generation gaming. It is an advanced interface expected to be introduced with the next generation of GPUs, enabling high-speed gaming at 480Hz in QHD resolution. Additionally, with multi-ports like HDMI 2.1 x2, it seamlessly connects to the latest consoles and PCs. The brightest OLED** Experience stunning visuals with LG WOLED.

27" UltraGear™ OLED 480Hz QHD Gaming Monitor vs similar monitors

	LG 27" UltraGear OLED 480Hz QHD Gaming Monitor	LG 27GX790A-B 27″ 480Hz Monitor	Gigabyte AORUS ELITE FO27Q28G 27” WOLED 2K QHD Gaming Monitor	Gigabyte AORUS ELITE FO27Q24G 27” WOLED 2K QHD Gaming Monitor
Screen size	27 inch	27 inch	27 inch	27 inch
Resolution	2560 x 1440	2560 x 1440	2560 x 1440	2560 x 1440
Refresh rate	480 Hz	480 Hz	280 Hz	240 Hz
Panel	WOLED	WOLED	WOLED	WOLED
Response time	0.03 ms	0.03 ms	0.03 ms	0.03 ms
Released	2025	2026	2026	2026