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LG 31.5" OLED - UltraGear 32GX870B-B
4K PC Monitor - 3840 x 2160 pixels - 0.03 ms (gray to gray) - 16/9 - OLED Panel - 240 Hz - HDR 500 True Black - G-SYNC / FreeSync Premium Pro Compatible - HDMI/DisplayPort/USB-C - Pivot - Black
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Dual-Mode: choose between 4K 240 Hz and Full HD 480 Hz!
The LG UltraGear 32GX870B-B monitor combines image quality, gaming comfort and... flexibility! With its Dual-Mode function, this 32-inch screen with 4K resolution at 240 Hz instantly adapts its display and switches to a Full HD resolution at 480 Hz! No more choosing between an ultra-detailed image and an ultra-smooth display, this LG screen is capable of delivering both! Thanks to its USB-C, HDMI 2.1 and DisplayPort 2.1 connectors, this screen supports 4K resolution at a refresh rate of up to 240 Hz.
High image quality
The bright OLED display of this LG screen delivers colors with brilliance at an entirely different level. With a standard brightness of 335 nits and a peak brightness of 1500 nits, with 4th-generation Tandem OLED, this screen keeps visuals bright and vibrant. Certified VESA DisplayHDR True Black 500, this LG monitor brings every scene to life, whether bright or dark, thanks to realistic details with a contrast ratio of 1.85 M and a typical DCI-P3 color gamut coverage of 99.5%.
Flexible display with Dual-Mode
Thanks to VESA-certified Dual-Mode, easily switch between an Ultra HD 240 Hz display, for games with rich graphics, and Full HD 480 Hz, to experience the action dynamically! Enjoy Dual-Mode with selectable options and easily choose your preferred screen size among two refresh rates via the display. In addition, you can easily switch between a physical shortcut or a keyboard shortcut via LG Switch, thus optimizing gaming whatever the genre.
Great image with AI optimization
The LG UltraGear 32GX870B-B improves image quality thanks to an integrated processor capable of performing 4K upscaling with artificial intelligence, without requiring a graphics card upgrade. This technology analyzes displayed content to improve sharpness and detail level, regardless of the source.
The screen also benefits from the AI Scene Optimization function, which automatically adjusts display settings according to the type of content to deliver optimized colors, contrast, and brightness.
Audio Performance
On the audio side, the LG UltraGear 32GX870B-B features AI Sound technology, which analyzes content in real time to automatically optimize sound output. Artificial intelligence improves the separation of different audio elements and enhances the clarity of voices, effects, and ambience for a more balanced and immersive playback. This dynamic optimization lets you enjoy sound adapted to every scene, whether it is a gaming session, a movie, or other multimedia content, without requiring manual adjustments.
Innovative features for Gamers
Enjoy greater comfort with innovative features designed to improve display quality and gaming performance. Dynamic Action Sync reduces input lag to support your reaction time. Black Stabilizer improves contrast in dark areas so you can better see what is hidden there. Crosshair fixes the aiming point at the center of the screen, to improve precision. FPS Counter lets you see the FPS rate in real time.
Select your criteria
General information |
Product name |
LG 31.5" OLED - UltraGear 32GX870B-B |
Brand |
LG | |
Model |
32GX870B-B.AEU | |
Display |
Screen size |
31.5 inches |
Screen format |
16:9 | |
Panel type |
OLED display | |
QD-OLED |
No | |
Max resolution |
3840 x 2160 pixels | |
High definition |
4K | |
Dot Pitch |
0.1814 mm | |
Brightness |
335 cd/m² | |
Contrast |
1850000 /1 | |
Response time |
0.03 ms | |
Angle of vision (horizontal) |
178 Degree(s) | |
Angle of vision (vertical) |
178 Degree(s) | |
Matte/anti-glare panel |
Yes | |
HDR (High Dynamique Range) |
Yes | |
HDR standards |
VESA DisplayHDR 500 True Black | |
| HDR10 | ||
NVIDIA G-SYNC |
Yes | |
G-SYNC |
G-SYNC compatible | |
NVIDIA Reflex |
No | |
Adaptive-Sync |
Yes | |
AMD FreeSync |
Yes | |
FreeSync |
AMD FreeSync Premium Pro | |
Flicker-Free |
Yes | |
Anti blue light |
Yes | |
Screen |
Screen type |
OLED |
Range |
LG UltraGear | |
Widescreen |
Yes | |
Curved screen |
No | |
Borderless |
Yes | |
Touch screen |
No | |
Max vertical frequency |
240 Hz | |
Type of activities |
Gamer | |
Ergonomics |
Portable |
No |
Pivot |
Yes | |
Height adjustable stand |
Yes | |
Removable stand |
Yes | |
VESA mount |
100 x 100mm | |
Articulating arm |
No | |
Connectivity |
Video inputs |
1 X USB Type C Female |
| 1 X DisplayPort Female | ||
| 1 X HDMI Female | ||
HDMI standard |
HDMI 2.1 | |
DisplayPort standard |
DisplayPort 2.1 | |
Audio outputs |
1 X Headphone (3.5mm Jack Female) | |
Additional connector(s) |
1 X USB Type C | |
| 2 X USB 3.0 | ||
Dock USB-C |
No | |
Multimedia |
Built-in speakers |
Yes |
Sound power |
2 X 7 W | |
Webcam |
No | |
TV tuner |
No | |
Physical characteristics |
Color |
Black |
Release year |
2026 | |
Width |
714.1 mm | |
Maximum height |
620.9 mm | |
Height |
510.9 mm | |
Depth |
249.8 mm | |
Height (without stand) |
411.8 mm | |
Depth (without stand) |
65 mm | |
Weight |
9.8 kg | |
Weight (Without stand) |
5.6 kg | |
Multi-monitor bundle |
No | |
Power supply |
Energy class |
G |
Consumption |
33 kWh/1000h | |
Standby consumption |
0.5 W | |
Internal power supply |
No | |
Specificities |
PS5 optimized |
Yes |
Xbox Series optimized |
Yes | |
Warranties |
Commercial warranty |
Seller 5 years
|
Legal warranty |
See terms & conditions
|
|
Safety Information |
Responsible person |
LG Electronics Deutschland GmbH |
Postal address |
Alfred-Herrhausen-Allee 3-5, 65760 Eschborn, Germany | |
Electronic Address |
gpsr@lge.com |
See all LG products
Product referenced on 6 Jul 2026
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