Asus has announced the ROG Strix OLED XG259QWPG Ace, a new 540Hz gaming monitor aimed directly at the competitive esports market. The defining feature of the new display is its native 24.5-inch, 1080p panel, which brings ultra-high refresh rate OLED technology to the tournament-standard size without requiring users to rely on software cropping or downscaling.
ROG Strix OLED XG259QWPG Ace Specifications
While 480Hz and 500Hz-plus OLED monitors have been available for some time, they are typically manufactured in 27-inch or 32-inch sizes. Professional players in titles like Counter-Strike 2 and Valorant generally require a 24.5-inch screen so the entire display remains within their peripheral vision, minimizing the need for head movement. The XG259QWPG Ace addresses this hardware gap, offering a native 24.5-inch OLED option that directly competes with the legacy TN panels traditionally used in professional esports.
The monitor utilizes a Tandem WOLED panel, a dual-layer architecture that stacks two organic light-emitting diode layers. According to Asus, this design allows the display to achieve 15% higher peak brightness, a 25% larger color volume, and a 60% longer lifespan compared to standard single-layer WOLED screens. The panel also features a TrueBlack glossy coating, which is intended to improve text clarity and overall image sharpness compared to traditional matte anti-glare finishes.
In terms of performance, the XG259QWPG Ace pairs its 540Hz refresh rate with a 0.02ms response time and full Nvidia G-Sync support to minimize screen tearing and input lag. It also maintains standard OLED color advantages, covering 99.5% of the DCI-P3 gamut with true 10-bit color.
The display is VESA DisplayHDR 600 True Black-certified and factory-calibrated to a Delta E of less than 2. To accommodate players transitioning from TN displays, Asus has included three specific Esports Color modes designed to replicate the visual profile of older tournament monitors.
Asus has also integrated several physical and software features developed alongside esports organizers BLAST and PGL. The monitor’s stand and base include precise measurement markings, allowing players to record and replicate their exact height, tilt, and swivel preferences when setting up at LAN events. On the software side, a new Quick OSD (on-screen display) menu provides immediate access to core settings like brightness and shadow boost, bypassing standard multi-tiered menus.
Asus has not yet announced pricing or an exact release date for the monitor.
In related news, Lenovo has recently launched an affordable 2K gaming monitor featuring a 300Hz refresh rate and a 0.5ms response time.
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