Photo of 27 Inch UltraGear™ OLED Dual Mode QHD 540Hz or HD 720Hz 0.02ms G-Sync® Compatible DisplayPort 2.1 Gaming Monitor

27 Inch UltraGear™ OLED Dual Mode QHD 540Hz or HD 720Hz 0.02ms G-Sync® Compatible DisplayPort 2.1 Gaming Monitor

Name: 27 Inch UltraGear™ OLED Dual Mode QHD 540Hz or HD 720Hz 0.02ms G-Sync® Compatible DisplayPort 2.1 Gaming Monitor
Brand: LG Electronics
SKU: 27GX790B-B
Availability: PreOrder

Coming Soon • Model: 27GX790B-B

The LG UltraGear evo 27GX790B-B is a cutting-edge gaming monitor engineered specifically for competitive gamers and high-speed gameplay. Built on a 27-inch Tandem OLED panel, it features Dual Mode capability allowing you to seamlessly switch between QHD resolution at 540Hz or ultra-fast HD at 720Hz. With an ultra-responsive 0.02ms response time and 99.5% DCI-P3 color coverage, it delivers unmatched clarity and color accuracy. It comes fully equipped with the latest DisplayPort 2.1 and HDMI 2.1 ports, alongside a 1-year warranty for complete peace of mind.

Features

Experience UltraGear's brightest and fastest OLED on a 27" QHD display
Dual Mode refresh rate: switch between QHD at 540Hz or 720Hz HD speed³
0.02ms (GtG) response time renders fast action with almost zero blur or ghosting
VESA ClearMR 21000 helps keep fast-moving targets sharp, clear and easy to track
DisplayPort 2.1 delivers massive bandwidth for sharper visuals and ultra-fast gameplay
DisplayHDR™ True Black 500 delivers deep blacks, rich contrast, and stunning dark-scene detail
Reduced screen stutter with NVIDIA® G-SYNC®⁴ compatibility AMD FreeSync™ Premium Pro
Virtually borderless 27” OLED with adjustable screen and back lighting for a custom setup

Description

If you are looking for uncompromised speed and ultimate visual performance, the LG UltraGear evo 27GX790B-B is the definitive choice. Utilizing 4th-Gen Primary RGB Tandem OLED technology, this monitor delivers true pitch blacks and an impressive peak brightness of up to 1,500 nits for breathtaking HDR visuals. Certified with VESA ClearMR 21000, it virtually eliminates motion blur during high-speed action, giving you a sharp competitive edge in every match. With innovative Dual Mode technology, a quick hotkey lets you alternate between QHD (2560 x 1440) at 540Hz for high-detail gaming and HD (1280 x 720) at a blistering 720Hz for fast-paced esports shooters. The fully ergonomic stand offers height, tilt, swivel, and pivot adjustments for optimal viewing comfort. Modern connection choices including DisplayPort 2.1 and HDMI 2.1 ensure max bandwidth without bottlenecking, backed reliably by an included 1-year manufacturer warranty.

Specification

Outrageous Speed with LG's Brightest OLED Gaming Monitor	Experience the brightness and speed of 4th Gen OLED on a vivid 27" QHD display—engineered for ultra-smooth, tear-free gameplay. With a refresh rate up to 720Hz1 and lightning-fast 0.02ms response time, you’ll react faster, track every movement with precision, and outpace your opponents frame by frame with astounding brightness, clarity and speed.
Our Brightest, Boldest OLED Gaming Monitor	Powered by UltraGear’s latest OLED with Primary RGB Tandem tech, this is LG’s brightest OLED gaming monitor yet—reaching 335 nits typical brightness for clear visibility in bright scenes. Enhanced APL and reduced ABL keep critical visuals sharp during intense action, while UL Verified Perfect Black2 and DisplayHDR™ True Black 500 deliver deep contrast and pinpoint detail.
Next-Gen OLED Brilliance	4th Gen Primary RGB Tandem OLED reaches 335 nits typical brightness while using less power than previous UltraGear™ OLED generations. The display's advanced 4-stack RGB structure delivers enhanced contrast, sharper detail, and color precision that stays consistent across every frame.
Dual Mode: QHD 540Hz for Detail or HD 720Hz for Speed	Dual Mode pushes gaming speed to the edge, letting you toggle between QHD resolution at 540Hz or HD at 720Hz3 from a hotkey. Gain outrageous speed and responsiveness for split-second decisions and competitive domination.
DisplayPort 2.1 Delivers Next-Gen Gaming Speed	DisplayPort™ 2.1 unlocks ultra-fast data speeds for stable, high-refresh gaming up to 720Hz. USB-C keeps your setup clean with single-cable output, and dual HDMI 2.1 ports connect seamlessly to today’s top consoles. More bandwidth. More clarity. More ways to win.
A virtually instantaneous 0.02 response time (GtG)	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.
NVIDIA® G-SYNC® Compatible & AMD FreeSync™ Premium Pro	NVIDIA® G-SYNC®4 Compatible and AMD FreeSync™ Premium Pro deliver smooth, tear-free, low-latency gaming with high refresh rates—so every frame stays fluid and sharp.
Deeper Detail with VESA DisplayHDR™ True Black 500	Experience breathtaking realism with VESA DisplayHDR™ True Black 500, delivering nuanced shadow detail and rich black expression—even in the darkest game scenes. A 1.5 million:1 contrast ratio pairs with up to 99.5% (typical), DCI-P3 color gamut and Delta E≤2 color accuracy, to ensure colors are vivid, precise, and true to the creator’s intent—giving gamers and creators alike the confidence to see every frame as it was meant to be seen.