REDMI usually launches the K series iterative flagship in the second half of the year, and then launches the K series Supreme Edition in the middle of the following year . Compared with the Pro version, the Supreme Edition focuses on ultimate performance.
REDMI will launch the K90 Ultra in the middle of this year. According to the blogger Digital Chat Station, the K90 Ultra features a 1.5K ultra-high refresh rate flat screen and is the first to use an active cooling fan located inside the camera deco, supporting IP68 dust and water resistance.
Previously, the gaming phone brand Red Magic had always insisted on using fan cooling. Starting in 2025, OPPO and Honor successively entered the fan cooling market. The iQOO 15 Ultra and REDMI K90 Ultra, which will be released this year, will also follow suit with fans. It is foreseeable that active cooling fans will be a new trend in the mobile phone industry.
In recent years, mobile phone screen refresh rates have been continuously improving, and large-scale 3D games have emerged one after another in the mobile market. Relying solely on passive heat dissipation such as VC heat sinks and graphite sheets is no longer sufficient to improve heat dissipation efficiency.
Therefore, many manufacturers have begun to deploy active cooling fans. Compared with passive cooling, active cooling fans can achieve dozens of hot and cold air exchanges per second. The internal chassis not only has centrifugal fans, but also complete air intake and exhaust channels, using “forced convection” to carry heat away from the motherboard area and quickly cool down.
This solution can be described as the most direct and hardcore mobile phone heat dissipation technology, which can maintain performance stability under high load for a long time and is more reliable than passive heat dissipation.
In addition to featuring an active cooling fan, the REDMI K90 Ultra will also be equipped with the MediaTek Dimensity 9500 flagship platform, making it the only Dimensity flagship in the REDMI K90 series.
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