lucadelladora – LG has officially released the UltraGear 27GX790B-B gaming monitor in North America, expanding its high-end OLED lineup for competitive players. The company built the 27-inch display around LG Display’s fourth-generation Primary RGB Tandem OLED panel and targets esports and enthusiast users who seek extreme refresh rates. LG now offers the monitor in the United States through Amazon at a price of $999.99.
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The UltraGear 27GX790B-B first debuted in China earlier this year and now joins a small group of next-generation OLED gaming monitors. It offers a native resolution of 2560 x 1440 pixels paired with an exceptionally high 540 Hz refresh rate. LG positions the product as a performance-focused alternative to QD-OLED competitors. Emphasizing speed, motion clarity, and brightness improvements over previous WOLED generations.
LG confirmed that the monitor also supports a dual-mode operation. Allowing users to switch from 1440p at 540 Hz to 720p at an even higher 720 Hz refresh rate. This capability mirrors a similar approach used by rival displays, including ASUS models aimed at professional esports environments. The company says the dual-mode feature is designed to provide flexibility for players who prioritize frame rate above resolution in fast-paced competitive titles.
High Refresh, Tandem OLED Brightness, and Pricing Details
At its core, the UltraGear 27GX790B-B is defined by its refresh performance. Running at 540 Hz at native resolution already places it ahead of most OLED gaming monitors on the market. The optional 720 Hz mode further targets esports players seeking minimal input latency and maximum motion smoothness. LG rates the display for a 0.02 millisecond gray-to-gray response time and includes ClearMR 21000 certification to enhance motion clarity.
The monitor supports both NVIDIA G-Sync and AMD FreeSync Premium Pro. Ensuring tear-free gameplay across a wide range of graphics hardware. These features position the UltraGear 27GX790B-B as a premium solution for competitive gaming setups.
The fourth-generation Tandem OLED panel brings notable image quality upgrades. LG states the display can reach peak HDR brightness levels of up to 1,500 nits. A significant increase over third-generation WOLED panels. Color reproduction has also been refined, with coverage of 99.5 percent of the DCI-P3 color gamut. In standard dynamic range, the monitor reaches approximately 335 nits. Improving usability in brighter rooms compared to earlier OLED gaming displays.
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Connectivity is another area of focus. LG includes DisplayPort 2.1 for high-bandwidth connections, along with USB-C support and a fully adjustable stand for ergonomic positioning. These additions align the monitor with next-generation GPUs and modern desktop setups.
In the United States, the UltraGear 27GX790B-B is available now for $999.99 via Amazon. In Canada, LG has opened preorders at CA$1,299.99, with shipments expected to begin on January 15, 2026.
