LG UltraGear 27GX790A-B 27″ QHD 0.03ms - 480Hz WOLED Gaming Monitor

LG UltraGear 27GX790A-B - Redefining Speed and Clarity in Esports Displays

The LG UltraGear 27GX790A-B 27″ QHD 480Hz WOLED Gaming Monitor pushes the boundaries of gaming technology. Designed for professional esports players and performance enthusiasts, it delivers unprecedented smoothness, instant response times, and breathtaking visual quality — all in a sleek, modern design.

480Hz Refresh Rate – The Fastest Gaming Experience

With a blistering 480Hz refresh rate, every frame is displayed in near real-time. Whether you’re in a high-speed shooter or a fast-moving racing sim, motion blur is virtually eliminated, giving you precise control and a competitive edge. Combined with Adaptive Sync support, you’ll experience fluid, tear-free gameplay every time.

QHD WOLED Display – Bright, Vivid, and Ultra-Responsive

The WOLED (White OLED) panel provides exceptional contrast, pure blacks, and stunning color accuracy. Enjoy 2560×1440 (QHD) resolution for crystal-clear details and rich visuals that enhance immersion. With a 0.03ms GtG response time, input lag is nearly imperceptible — perfect for competitive gaming.

NVIDIA G-Sync and AMD FreeSync Premium Pro

Eliminate stuttering and tearing with dual G-Sync and FreeSync Premium Pro compatibility. The adaptive refresh ensures silky-smooth performance even when frame rates vary, keeping gameplay consistent and responsive.

HDR10 and Infinite Contrast

Experience deep blacks and lifelike highlights with HDR10 support and OLED’s naturally infinite contrast ratio. From bright sunlight to dark shadows, every detail is rendered with cinematic precision for an immersive visual experience.

Ergonomic Design and Premium Build

The LG UltraGear 27GX790A-B combines performance with comfort. Its fully adjustable stand lets you tilt, pivot, and raise the screen for the perfect viewing angle. The minimalist three-sided borderless design maximizes screen space, making it ideal for multi-monitor setups.

Connectivity and Modern Features

Stay connected with HDMI 2.1, DisplayPort 1.4, and USB-C inputs for high-speed connections with PCs, consoles, and accessories. Integrated cable management and RGB lighting on the rear panel add style and functionality to your setup.

Built for Competitive and Creative Workflows

Beyond gaming, the UltraGear 27GX790A-B excels in content creation and productivity. Its color accuracy and response time make it suitable for video editing, 3D rendering, and streaming. This monitor represents the future of responsive, visually stunning display technology.

The Ultimate Esports Weapon

For gamers who demand perfection, the LG UltraGear 27GX790A-B is the ultimate upgrade. With 480Hz, WOLED clarity, and QHD precision, it delivers every frame faster, sharper, and more beautifully than ever before.

Display

Screen size: 27″ (approx. 26.5″ viewable)

Resolution: 2560 × 1440 (QHD)

Aspect ratio: 16 : 9

Panel type: OLED (WOLED) with Micro Lens Array+ (MLA+) technology

Pixel pitch: 0.2292 × 0.2292 mm

Viewing angles: 178° horizontal / 178° vertical

Brightness (typical): ~275 cd/m² (typical SDR)

Peak brightness (HDR): up to ~1300 nits

Contrast ratio: 1,500,000 : 1 (typical, OLED)

Color gamut: 98.5% DCI-P3 (CIE1976)

Color depth: 10-bit (1.07 billion colors)

Surface treatment: Anti-glare, low-reflection

HDR certification: VESA DisplayHDR True Black 400

Performance / Gaming Features

Refresh rate: Up to 480 Hz

Response time: 0.03 ms (GtG)

Variable Refresh Rate: AMD FreeSync Premium Pro, NVIDIA G-Sync Compatible, VESA AdaptiveSync certified

Black Stabilizer, Dynamic Action Sync, Crosshair overlay, FPS counter, Auto Input Switch

Connectivity

DisplayPort: 1 × DisplayPort 2.1

HDMI: 2 × HDMI 2.1

USB upstream: 1 × USB 3.0 (Type-B)

USB downstream: 2 × USB 3.0 (Type-A)

Audio out: 3.5 mm headphone/mic combo jack with DTS Headphone:X support

Ergonomics / Design

Stand adjustments: Height, tilt, swivel, pivot

Mounting: 100 × 100 mm VESA mount compatible

Stand type: “L-stand” design with hexagon RGB lighting accents

Power

Input voltage: 100–240 V AC, 50/60 Hz

Typical power consumption: ~48 W

Power supply type: External adapter

Dimensions & Weight

With stand (max height): 605.2 × 579.3 × 249.1 mm

With stand (min height): 605.2 × 469.3 × 249.1 mm

Without stand: 605.2 × 351.0 × 45.3 mm

Weight (with stand): ~9.3 kg

Weight (without stand): ~5.1 kg