Updated
Updated · 91mobiles · Jul 1
Redmi K90 Ultra Launches at CNY 2,999 With 8,850mAh Battery and Built-In Cooling Fan
Updated
Updated · 91mobiles · Jul 1

Redmi K90 Ultra Launches at CNY 2,999 With 8,850mAh Battery and Built-In Cooling Fan

1 articles · Updated · 91mobiles · Jul 1

Summary

  • CNY 2,999 buys Redmi’s new K90 Ultra in China, a performance-focused phone pairing a built-in rear cooling fan with an 8,850mAh battery.
  • The fan is rated as low as 32dB and is claimed to cut temperatures by up to 10°C in 100 seconds, targeting long gaming sessions and heavy workloads.
  • A 6.83-inch 1.5K 165Hz display, Snapdragon 8 Elite chip, D2 graphics chip, LPDDR5X Ultra RAM and UFS 4.1 storage round out the core performance package.
  • 100W wired charging, 22.5W reverse wired charging, a 50MP main camera and IP66/IP68/IP69 protection add flagship-style extras, while the fan module itself carries IPX8 and IPX9 ratings.
  • No global launch timeline was announced, leaving the China debut as Redmi’s latest push into the gaming-phone segment.

Insights

Is a built-in fan a real performance breakthrough or a future repair nightmare for smartphones?
Have we pushed mobile hardware beyond a practical design by needing PC-style cooling solutions?