LG 27" UltraGear OLED 480Hz QHD Gaming Monitor 68.6 cm 27" 2560 x 1440 pixels 2K 27GX790A-B.AEK

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. Built on LG's OLED leadership and featuring Micro Lens Array+ (MLA+) technology, it delivers up to 37.5% brighter SDR, optimising 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.

DisplayHDR True Black 400 | DCI-P3 98.5%

The explosion of colours
VESA DisplayHDR True Black 400 delivers deep and consistent black levels that remain unchanged across various environments. With a 1.5M contrast ratio, DCI-P3 98.5% (typical) colour gamut, and Delta E 2 colour accuracy ensures that colours are displayed with realistic detail, just as originally intended.

Anti-glare & Low reflection

Excellent visibility even under in low light
There's no need to worry about screen glare if you're in a dimly lit room. Even in bright environments or LED-lit gaming rooms, you can enjoy uninterrupted, crystal-clear visuals with Anti-glare and Low Reflection technology.

Low Blue Light

Powerful protection from blue light
Experience gaming freely with reduced harmful blue light. LG WOLED utilises advanced technology that reduces blue light levels while preserving vivid and lifelike colours certified by UL for low blue light platinum, allowing vivid game colours for a more comfortable viewing experience.

Personalised Picture Wizard

Crafted for your taste
Upgrade your gaming and video experience with settings tailored to your preferences, simply by selecting an image. Intuitively and effortlessly, the system customises the settings to match your taste, delivering the optimal quality for you.

Smooth motion, infinite play

First-ever OLED monitor to receive VESA ClearMR 21000 certification
The first OLED gaming monitor certified by ClearMR 21000, finally captures even the subtle blurring that occurs around the edges of moving objects, displaying fast-moving action with sharpness and detail. Also, it allows you to take a step closer to victory.

Unleash ultimate clarity:ClearMR 21000
A new standard set. Our monitor is the world's first to achieve ClearMR 21000 certification, exceeding VESA testing with a Clear Motion Ratio of over 19500. Experience unparalleled clarity and smoothness.

Compact and sleek
Experience our hexagon lighting and a virtually borderless 4-sided clean design featuring a fully adjustable base with swivel, tilt, height, and pivot. A clutter-free L stand and wide-range swivel adjustment are designed to minimise desk space usage and eliminate dead space efficiently.

Gaming GUI

Award winning gaming GUI
Gamers can use On-Screen Display and LG Switch to easily customise the settings from adjusting basic monitor options to registering the 'User Defined Key' that can be set as a shortcut.

Compact size, quick movement
Gaming monitor features a 27-inch display while also offering a 24-inch screen size adjustment option for games requiring quick responsiveness. This allows players to adapt to a more compact screen size for a wider view and reduced movements, enabling them to gain a competitive edge.

G Calibration Studio

Accurate colours updated
By utilising the hardware calibration of LG Calibration Studio, you can experience advanced colour quality with extensive colour spectrum and consistency.


Quick setups for brighter OLED
[Option 1] Turn off the Smart Energy Saving mode.

How to Protect your OLED
You can prevent occurring afterimages or display burn-in by turning on the 'OLED Screen Move', which moves the screen slightly at regular intervals, 'Screen Saver' and 'Image Cleaning'.

Features


27-inch QHD (2560x1440) OLED display


DisplayHDR True Black 400 / 1.5M:1 contrast ratio


OLED with 480Hz refresh rate


0.03ms (GtG) response time


NVIDIA G-SYNC Compatible / VESA Certified AdaptiveSync / AMD FreeSync Premium Pro


Hexagon lighting design with space-saving L stand



Multimedia


Built-in microphone

No


Built-in speaker(s)

No


Built-in camera

No



Design


Detachable stand

Yes


Frameless design

Yes


Front bezel colour

Black


Product colour

Black


Refurbished

No


Market positioning

Gaming


Feet colour

Black



Weight & dimensions


Height (without stand)

351 mm


Height (with stand)

579.3 mm


Depth (without stand)

45.3 mm


Weight (with stand)

9.3 kg


Width (with stand)

605.2 mm


Depth (with stand)

249.1 mm


Width (without stand)

605.2 mm


Weight (without stand)

5.1 kg



Ergonomics


Cable lock slot

Yes


Adjustable height (max)
cm


Panel mounting interface
0 x 100 mm


Cable management

Yes


On Screen Display (OSD)

Yes


Tilt angle range

-5 - 15


Swivel angle range

-30 - 30


Cable lock slot type

Kensington


VESA mounting

Yes


Height adjustment

Yes


Swivelling

Yes


Wall mountable

Yes


Picture-in-Picture

Yes


Pivot

Yes


Tilt adjustment

Yes


Plug and Play

Yes



Packaging content


Cables included

AC, DisplayPort, HDMI, USB Type-A to USB Type-B


Quick start guide

Yes


HDMI cable length

1.8 m


Manual

Yes


Stand included

Yes


Power adapter included

Yes


Screws included

Yes



Other features


Low input lag

Yes


Shadow control

No


Sound mirroring

No


Motion blur reduction

Yes


FPS counter

Yes


Screen mirroring

Yes


Local dimming

Yes


Dial point

No



Performance


AMD FreeSync type

FreeSync Premium Pro


AMD FreeSync

Yes


Game mode

Yes


NVIDIA G-SYNC

Yes


VESA Adaptive Sync support

Yes


Low Blue Light technology

Yes


NVIDIA G-SYNC type

G-SYNC Compatible


Flicker-free technology

Yes



Ports & interfaces


DisplayPort version

2.1


Headphone outputs

1


DisplayPort out quantity

1


Headphone out

Yes


DisplayPorts quantity

1


Built-in USB hub

Yes


USB Type-A downstream ports quantity

2


Number of upstream ports

1


HDMI ports quantity

2


USB hub version

2.0 / 3.2 Gen 1 (3.1 Gen 1)


HDMI

Yes


HDMI version

2.1a


USB upstream port type

USB Type-B


Number of USB Type-B upstream ports quantity

1


Headphone connectivity

3.5 mm



Power


AC input voltage
0 - 240 V


AC input frequency

50/60 Hz


Power consumption (standby)

0.5 W


Power supply type

External


Energy efficiency class (SDR)

F


Energy efficiency class (HDR)

G


Energy consumption (HDR) per 1000 hours

30 kWh


Energy efficiency scale

A to G


Energy consumption (SDR) per 1000 hours

25 kWh



Display


Touchscreen

No


Viewing angle, vertical
8


Pixel density
1 ppi


Response time measurement type

GTG (Gray to Gray)


Display surface

Gloss


Display brightness (typical)

275 cd/m


Maximum refresh rate

480 Hz


High Dynamic Range (HDR) supported

Yes


Anti-glare screen

Yes


Native aspect ratio
:9


Display diagonal

68.6 cm (27")


Panel type

WOLED


Screen shape

Flat


Contrast ratio (typical)
00000:1


Response time

0.03 ms


Display technology

OLED


High Dynamic Range (HDR) technology

DisplayHDR 400 True Black, High Dynamic Range 10 (HDR10)


Viewing angle, horizontal
8


Display resolution

2560 x 1440 pixels


HD type

2K


Pixel pitch

0.2292 x 0.2292 mm



Packaging data


Package height

532 mm


Package depth
3 mm


Package width

820 mm


Package weight
.5 kg