Xiaomi has officially confirmed another major hardware detail for the upcoming REDMI K90 Ultra. The China-only performance flagship will feature a 165Hz gaming display with up to 3500 nits peak brightness, making it one of the most aggressive REDMI gaming-focused phones so far. The device will be launched in China on June 30 at 19:00, and unlike many previous REDMI K Ultra models, this device is expected to remain exclusive to China permanently, with no global launch planned.
A display built for high-frame gaming
The official REDMI poster confirms that the REDMI K90 Ultra uses M10 luminescent material, a 165Hz e-sports display, and Xiaomi’s Green Mountain eye protection technology. The display also supports native 165fps optimization in more than 40 games, which means selected games can run at ultra-high frame rates without relying only on frame interpolation.
This is important for competitive mobile gaming because a higher refresh rate can improve motion clarity, touch response perception, and overall gameplay smoothness. Combined with proper game-level optimization, the REDMI K90 Ultra is being positioned as a device made for players who want stable high-frame performance rather than short benchmark bursts.
According to previous official teasers, the phone also carries the full gaming DNA of the REDMI K90 Max. Lu Weibing confirmed that the REDMI K90 Ultra includes the independent D2 gaming display chip, e-sports-grade touch tuning, game-focused sound effects, horizontal-screen network optimization, and the same active cooling system. This makes the device more than a standard flagship phone with a fast chipset; it is a performance package built around gaming stability.
Affected Devices / Software Versions
This announcement currently applies to:
- Device: REDMI K90 Ultra
- Market: China only
- Global launch: Not planned
- Launch date: June 30, 19:00 China time
- Display: 6.83-inch ultra-narrow flat screen
- Refresh rate: 165Hz
- Peak brightness: 3500 nits
- Panel material: M10 luminescent material
- Gaming support: 40+ games with native 165fps adaptation
- Eye protection: Xiaomi Green Mountain eye protection
- Processor: Snapdragon 8 Elite
- Gaming chip: Independent D2 display chip
- Cooling: Active air-cooling system
- Color shown: Space Silver
- Frame: Aluminum alloy CNC middle frame with anodized finish
How the hardware improves real-world gaming
The REDMI K90 Ultra combines three key parts of a gaming-focused phone: a high-refresh display, a powerful chipset, and strong thermal management. The 165Hz panel improves visual smoothness, while the D2 gaming display chip can help with gaming display workloads and frame-related optimization. The Snapdragon 8 Elite provides flagship-level processing power, but Xiaomi’s active cooling system is what allows the phone to maintain higher performance for longer periods.
Xiaomi says the REDMI K90 Ultra uses the same air-cooling system as the REDMI K90 Max. This includes a large fan that is said to be 6% larger than mainstream solutions, a vortex airflow channel designed to reduce turbulence, and a low-noise operation level of around 32dB. The company also claims the phone can reduce temperature by up to 10°C in 100 seconds.
This matters because high refresh-rate gaming creates heavy heat. Without enough cooling, even the fastest chipset will reduce performance after a few minutes. By pairing a 165Hz display with active cooling, Xiaomi is trying to keep frame rates stable during long gaming sessions.
The REDMI K90 Ultra is designed specifically for the Chinese performance-phone market, where users expect flagship gaming features at more aggressive prices. Xiaomi is clearly positioning this model as a direct answer to gamers who want Max-level performance features without moving into a more expensive ultra-premium category.
Its China-only status also makes the device more important strategically. Instead of serving as a direct global model, the REDMI K90 Ultra appears to be built for China’s highly competitive gaming phone segment, where brands compete heavily on cooling, display quality, sustained performance, and value. For global Xiaomi fans, this means the REDMI K90 Ultra should be viewed as a China-exclusive performance project rather than a phone waiting for an international release.











Not getting out of China? Maybe as Redmi but It will still be sold as Poco in the rest of the world right?? I hope so!