LG UltraGear 27GX790B 26.5 " black

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LG UltraGear 27GX790B 26.5 " black

2026 UltraGear (gaming)gaming OLED HDMI 2.1 Dual Mode HDR Adaptive-Sync FreeSync good DCI-P3

Screen size:26.5 "

Resolution:2560x1440 (16:9)

Panel:OLED (WOLED), response 0.02 ms

Frequency:540 Hz, 720 Hz (HD)

Contrast:1 500 000:1

Brightness:335 cd/m²

Functions:HDR, AMD FreeSync Premium Pro, NVIDIA G-Sync Compatible, VESA Adaptive-Sync, Flicker-Free

Connectors:DisplayPort v2.1 • 2xHDMI v2.1

VESA ClearMR 21000 certified.

All specifications

Specifications UltraGear 27GX790B

Colour

Product type	gaming
Size	26.5 "


Screen
Panel type	OLED (WOLED)
Surface treatment	anti-glare
Resolution	2560x1440 (16:9)
FPS	540 Hz
Frame Rate (Dual Mode)	720 Hz (HD)
Pixel size	0.23 mm
Response time (GtG)	0.02 ms
Vertical viewing angle	178 °
Horizontal viewing angle	178 °
Brightness	335 cd/m²
Static contrast	1 500 000:1
Colour depth	10-bit (1.07B Colors)
Colour gamut (DCI-P3)	99.5 % / CIE1976 /
HDR	DisplayHDR True Black 500


Connection
Video transmission	DisplayPort v2.1 2xHDMI v2.1
USB-A hub	2x5Gbps
Connectors (optional)	mini-Jack output (3.5 mm) / sound + microphone /

Features
Features	Flicker-Free AMD FreeSync Premium Pro NVIDIA G-Sync Compatible Adaptive-Sync
Portrait pivot
Screen swivel	/ +- 30° /
Height adjustment	/ 130 mm /
Game Features	aim FPS display brighten darker areas / Black Stabilizer /


General
RGB lighting	LG Unity Hexagon Lighting
Wall mount	VESA 100x100mm
External power supply
Dimensions (WxHxD)	605x528x220 mm
Dimensions without stand (WxHxD)	605x351x51 mm
Weight	6.8 kg
Weight without stand	4.3 kg
Official Website	lg.com
Added to E-Catalog	January 2026

The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.

How to Choose a Gaming MonitorWe understand matrix types, suitable resolution, FreeSync and other important aspects when choosing a gaming monitor

Monitor matrices types: TN+film, IPS, VA, OLED, QLED and QD-OLEDCurrent types of monitor matrices, their pros and cons, as well as recommendations for selection

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	Lg 27GX790B-B.AEU Gaming Monitors Lg. 27gx790b-b 27´´ Qhd Oled Oled 240hz Gaming Monitor Tradeinn.com Delivery: in United Kingdom Report	£840.49 Buy in shop

	LG UltraGear 27GX790B 27 OLED Dual Mode Full HD 720Hz QHD 540Hz 0.02ms Gaming Monitor Black 27GX790B-B.AEK Stunning OLED Display for True-to-Life VisualsExperience games like never before with the 27-inch OLED panel of the LG UltraG... moreear 27GX790B. Boasting vibrant colors deep blacks and exceptional contrast this monitor delivers a cinematic gaming experience that immerses you in every scene. Whether you’re exploring vast open worlds or engaging in high-speed action visuals remain crisp and detailed across every frame . Ultra-Fast Refresh Rates for Competitive GamingWith dual refresh rate support of 720Hz for Full HD and 540Hz for QHD this monitor is built for extreme responsiveness. Fast-paced games feel smoother and more fluid reducing motion blur and giving you the edge in competitive gameplay . Lightning-Fast 0.02ms Response TimeThe LG UltraGear 27GX790B features an astonishing 0.02ms response time virtually eliminating ghosting and trailing effects. Every action appears instantly on-screen ensuring precise control and a seamless gaming experience . High-Resolution Options for Sharp DetailSwitch between Full HD and QHD resolutions depending on your performance needs. The monitor adapts effortlessly to your setup providing sharp and detailed visuals whether you prioritize speed or image quality . Designed for Gamers Built for ComfortErgonomically designed the LG UltraGear 27GX790B supports extended gaming sessions without strain. Adjustable tilt and height options help you find the perfect viewing angle while the sleek gamer-centric design complements any gaming setup.. Laptopsdirect.co.uk Delivery: to United Kingdom Report	£848.97 Buy in shop

	LG UltraGear GX7 WOLED 27-inch 4th Gen. QHD Gaming Monitorㅣ27GX790B wi LG UltraGear GX7 WOLED 27-inch 4th Gen. QHD Gaming Monitorㅣ27GX790B with Dual-Mode(720Hz@HD. 540Hz@QHD). 0.02ms(GtG). DP2.1.... moreVESA DisplayHDR™ True Black 500 Next-Level Visuals with 4th Gen WOLED Display – Dive into ultra-sharp detail on this 27" QHD (2560x1440) 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 WOLED 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 latencyClearMR 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. Pcnova.co.uk Delivery: in United Kingdom Report	£887.98 Buy in shop

	LG UltraGear GX7 WOLED 27-inch 4th Gen. QHD Gaming Monitorㅣ27GX790B wi 27GX790B-B.AEK LG UltraGear GX7 WOLED 27-inch 4th Gen. QHD Gaming Monitorㅣ27GX790B with Dual-Mode(720Hz@HD. 540Hz@QHD). 0.02ms(GtG). DP2.1.... moreVESA DisplayHDR™ True Black 500 LaptopHub.uk Delivery: in United Kingdom Report	£887.98 Buy in shop

	LG LG 27GX790B-B UltraGear 27” OLED QHD/FHD Dual Mode 540Hz/720Hz FreeSync/G-SYNC Widescreen Gaming Monitor 27GX790B-B.AEK LG 27GX790B-B UltraGear 27” OLED Gaming Monitor – 27" display size, OLED panel, QHD resolution, Dual Mode 720Hz at FHD (1920x... more1080) / 540Hz at QHD (2560x1440), 0.02ms response time, AMD FreeSync Premium Pro, NVIDIA G-SYNC compatible, Adaptive Sync, VESA DisplayHDR 500 True Black, HDMI 2.1, DisplayPort 2.1, and USB-C. LG 27GX790B-B UltraGear 27” OLED Gaming Monitor at a Glance: 27" gaming monitor with QHD resolution and 0.02ms response time OLED panel with vibrant colour and crisp contrast Dual Mode display – 720Hz at FHD (1920x1080) or 540Hz at QHD (2560x1440) Adaptive Sync, AMD FreeSync Premium Pro, and NVIDIA G-SYNC support Ergonomic and adjustable stand Modern connectivity with HDMI 2.1, DisplayPort 2.1, and USB-C Premium OLED Display Unlock premium visuals, with the LG 27GX790B-B UltraGear 27” OLED Gaming Monitor. This 27” display harnesses 4th Gen Primary RGB Tandem OLED panel technology to create vibrantly coloured images with stark contrast and optimised brightness. This is paired with VESA Display HDR True Black 500 and a 99.5% DCI-P3 colour gamut, resulting in high colour fidelity, rich with detail and shadows. Enjoy heightened immersion, whether you’re gaming, watching a film, or creating content. Dual Mode Display For peak gaming performance, the LG 27GX790B-B UltraGear 27” OLED Gaming Monitor features Dual Mode technology. This enables you to play at a lower resolution with a high refresh rate or opt for the higher resolution with a lower refresh rate, whichever your gaming demands. To give you the ultimate edge in competitive play, you can set this display to FHD (1920x1080) with an astonishing 720Hz refresh rate. Alternatively, you can choose QHD (2560x1440) at 540Hz, making your cinematic cut scenes smooth and visually stunning. The LG 27GX790B-B UltraGear 27” OLED Gaming Monitor also features a 0.02ms response time, ensuring all fast-paced action stays free of motion blur. This is enhanced further by support for Adaptive Sync, AMD FreeSync Premium Pro, and NVIDIA G-SYNC variable refresh rate technologies. Each of these works to reduce screen tearing, stuttering, and ghosting by synchronising your GPU output with the display. Connectivity and Ergonomics To ensure optimal compatibility with modern hardware, the LG 27GX790B-B UltraGear 27” OLED Gaming Monitor features a range of connectivity options. This includes HDMI 2.1, DisplayPort 2.1, and USB-C. When using DP 2.1, you can take advantage of next-generation bandwidth for optimised performance, while the USB-C port offers a streamlined set up. For enhanced comfort while you game, the LG 27GX790B-B UltraGear 27” OLED Gaming Monitor has an anti-glare and low reflection screen. This is paired with a selection of UL-verified eye comfort technologies, which are designed to reduce eye strain and fatigue while still providing the best picture and colour. What’s more, the stand can be ergonomically adjusted in height, swivel, tilt, and pivot so the Overclockers.co.uk Delivery: to United Kingdom Report	£898.99 Buy in shop