LG UltraGear OLED GX7 Gaming Monitor 27GX790B – QHD 1440p
LG UltraGear OLED GX7 Gaming Monitor 27GX790B – QHD 1440p, 4th Gen WOLED, 27 inch, Dual-Mode 540Hz – 720Hz, 0.02ms, 335-1500nits, FreeSync Premium Pro, HDR500, DP2.1, HDMI 2.1, USB C, Black
- Next-Level Visuals with 4th Gen OLED Display – Dive into ultra-sharp detail on this 27" QHD (2560×1440) 4th Gen Tandem OLED gaming monitor. Expect deeper blacks, fast response, and jaw-dropping clarity that redefines your play.
- LG’s Brightest* Gaming Monitor OLED Yet – Powered by the revolutionary 4th Gen OLED with Primary RGB Tandem technology, reaching up to 1500 nits of peak brightness and certified with VESA DisplayHDR True Black 500 for crystal-clear, high-contrast gameplay, even in bright environments.
- OLED with QHD 540Hz – HD 720Hz Dual-Mode – With VESA Certified Dual-Mode, enjoy UltraGear’s fastest performance with up to 720Hz—the highest refresh rate ever introduced. Seamlessly switch between QHD 540Hz for detailed visuals and HD 720Hz for ultra-fast action.
- High-speed bandwidth with DisplayPort 2.1 – The latest DisplayPort 2.1 on the 27GX790B delivers next-generation bandwidth optimized for ultra-high-speed gaming, supporting stable performance even at extreme refresh rates. Extending this connectivity, the USB-C port supports streamlined single-cable display output and data transfer.
- Certified with a widely adopted technology – NVIDIA G-SYNC Compatible / VESA Certified AdaptiveSync / AMD FreeSync Premium Pro that will provide tear-free ultra-smooth visuals and low latency
- ClearMR 21000 for smooth motion, infinite play – VESA certified by ClearMR 21000, this monitor finally captures even the subtle blurring that occurs around the edges of moving objects, displaying fast-moving action with sharpness and detail.
| SKU: | B0GBX7LYY5 |
| Weight: | 6.8 Kilograms |
| Brand: | LG |
| Model: | 27GX790B-B.AEK |
| Colour: | Black |
| Manufacture: | LG Electronics |
| Colour: | Black |
| Origin: | China |
From the manufacturer
LG UltraGear OLED GX7

27-inch 4th Gen Tandem OLED 540Hz Gaming Monitor with Dual-Mode

LG's Brightest* 4th Gen OLED
Introducing LG’s first gaming monitor powered by 4th Gen OLED with revolutionary Primary RGB Tandem technology—reaching up to 1500 nits of peak brightness for visibly clearer gameplay.

UL-verified Perfect visual experience
Perfect Black, Perfect Colour, and Perfect Reproduction work consistently in both low and bright light environments, delivering a truly perfect visual experience.

VESA DisplayHDR True Black 500
VESA DisplayHDR True Black 500 delivers deep blacks and clear shadow detail, while the DCI‑P3 99.5% (Typ.) gamut provides accurate, lifelike colour for more realistic visuals.

UL-verified advanced eye comfort technologies
Featuring AGLR(Anti-glare and low reflection), LG WOLED’s UL-verified advanced eye comfort technologies minimize frustrating reflections and keep your eyes comfortable.
720Hz(@HD) – 540Hz(@QHD) Dual-Mode
With VESA Certified Dual-Mode, enjoy UltraGear’s fastest performance with up to 720Hz—the highest refresh rate ever introduced. Seamlessly switch between QHD 540Hz for detailed visuals and HD 720Hz for ultra-fast action.

High-speed bandwidth by DisplayPort 2.1
The latest DisplayPort 2.1 on the 27GX790B delivers next-generation bandwidth optimized for ultra-high-speed gaming, supporting stable performance even at extreme refresh rates. Extending this connectivity, the USB-C port supports streamlined single-cable display output and data transfer.

Overwhelming speed, diving into gaming
The ultra-fast 0.02 response time (GtG), reducing reverse ghosting and providing fast response time, lets you to enjoy a whole new gaming performance


Certified with a widely adopted technology
Powered by AMD FreeSync Premium Pro, NVIDIA-validated G-SYNC compatibility, and VESA AdaptiveSync certification, this monitor provides tear-free, ultra-smooth visuals and low latency.

ClearMR 21000 for smooth motion, infinite play
VESA certified by ClearMR 21000, this monitor finally captures even the subtle blurring that occurs around the edges of moving objects, displaying fast-moving action with sharpness and detail.

Dynamic Action Sync
Reducing input lag with Dynamic Action Sync, gamers can catch critical moments in real-time and respond quickly.

Black Stabiliser
Black Stabiliser enhances visibility in dark scenes, revealing hidden details and improving clarity for smoother navigation through shadowy environments or sudden light changes.

Crosshair
The target point is fixed in the centre to enhance shooting accuracy.
Compact and sleek

Experience our virtually borderless design featuring a fully adjustable base with swivel, tilt, and height. A clutter-free slim stand and wide-range swivel adjustment are designed to minimize desk space usage and eliminate dead space efficiently, while adding a more refined look to your setup.
Compare UltraGear OLED GX7 & GX8 Gaming Monitors
![]() UltraGear GX7 – 27GX790B | ![]() UltraGear GX7 – 27GX790A | ![]() UltraGear GX7 – 27GX700A | ![]() UltraGear GX7 – 27GX704A | ![]() UltraGear GX8 – 32GX850A | |
|---|---|---|---|---|---|
| Customer Reviews | — | 3.6 out of 5 stars14 | 4.7 out of 5 stars8 | 4.4 out of 5 stars10 | 4.0 out of 5 stars5 |
| Price | £699.95 | £589.00 | £548.98 | £479.00 | £799.00 |
| Display Size/Resolution | 27″ | QHD | 27″ | QHD | 27″ | QHD | 27″ | QHD | 32″ | 4K |
| Panel Type | RGB Tandem W-OLED (Matte) | W-OLED (Matte) | RGB Tandem W-OLED (Matte) | W-OLED (Glossy) | W-OLED (Glossy) |
| Brightness | 335 nits – 1,500 nits | 275 nits – 1,300 nits | 335 nits – 1,500 nits | 275 nits – 1,300 nits | 275 nits – 1,300 nits |
| Refresh Rate/Response Time | 540Hz / 0.02ms (GtG) | 480Hz / 0.03ms (GtG) | 280Hz / 0.03ms (GtG) | 240Hz /0.03ms (GtG) | 165Hz / 0.03ms (GtG) |
| VESA Dual-Mode | QHD 540Hz / HD 720Hz | – | – | – | UHD 165Hz / FHD 330Hz |
| AMD FreeSync Premium Pro | ✔ | ✔ | ✔ | ✔ | ✔ |
| NVIDIA G-Sync Compatible | ✔ | ✔ | ✔ | ✔ | ✔ |
| HDMI 2.1 / DisplayPort | Yes / DP2.1 | Yes / DP2.1 | Yes / DP1.4 (DSC) | Yes/DP1.4(DSC) | Yes / DP1.4(DSC) |
| USB Hub | USB-C (x1), USB-A 3.0 (x2) | USB-B 3.0 (x1), USB-A 3.0 (x2) | USB-B 3.0 (x1), USB-A 3.0 (x2) | USB-B 3.2 (x1), USB-A 3.2 (x2) | USB-B 3.0 (x1), USB-A 3.0 (x2) |
| Display Position Adjustments | Tilt/Height/Swivel/Pivot | Tilt/Height/Swivel/Pivot | Tilt/Height/Swivel/Pivot | Tilt/Height/Swivel/Pivot | Tilt/Height/Swivel/Pivot |
| Dimension/Weight | 605.2 x 527.6 x 220 mm/ 6.8kg | 605.2 x 579.3 x 249.1mm/ 9.3kg | 605.2 x 579.3 x 249.1 mm/ 9kg | 605.2 x 532.6 x 220 mm/ 7.2kg | 714.1 x 620.9 x 249.8mm/ 9.1kg |
| Wall Mount | 100 x 100 mm | 100 x 100 mm | 100 x 100 mm | 100 x 100 mm | 100 x 100 mm |





























