Redmi has officially unveiled the Redmi K90 Ultra in China, targeting users who want flagship-level performance combined with exceptional battery life. The device brings a powerful Snapdragon 8 Elite chipset, an ultra-smooth AMOLED display and one of the largest batteries ever seen in a flagship smartphone.
Redmi K90 Ultra Price and Variants
The Redmi K90 Ultra starts at CNY 2,799 (around Rs. 40,000) for the 12GB + 256GB variant. Interestingly, Redmi is also offering a 16GB + 256GB model at the same price point in select configurations.
Higher variants include the 12GB + 512GB model priced at CNY 3,299 (around Rs. 47,000), while the top-end 16GB + 512GB version costs CNY 3,499 (around Rs. 50,000). The smartphone is available in Space Silver, Shadow Black and Sky Blue colour options.
Display and Gaming Experience
The Redmi K90 Ultra features a 6.83-inch AMOLED display with 1.5K resolution and an ultra-smooth 165Hz refresh rate. The panel supports HDR10+, HDR Vivid and Dolby Vision, delivering a premium viewing experience with peak brightness up to 3,500 nits.
For gamers, the Redmi K90 Ultra offers a 480Hz touch sampling rate that can peak at 3,500Hz, ensuring ultra-fast touch response during intense gameplay sessions.
Performance Powered by Snapdragon 8 Elite
At its core, the Redmi K90 Ultra is powered by Qualcomm’s Snapdragon 8 Elite chipset built on a 3nm process. The device supports up to 16GB LPDDR5X RAM and 512GB UFS 4.1 storage.
Redmi has also included its D2 AI graphics chip to enhance frame rates and improve visual performance in supported games, making the Redmi K90 Ultra a strong contender in the gaming smartphone segment.
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To maintain performance under heavy load, the Redmi K90 Ultra uses an active cooling fan instead of relying solely on a vapour chamber system. According to the company, it can reduce temperatures by up to 10°C within 100 seconds, ensuring stable performance during long gaming sessions.
Cameras, Audio and Durability
The smartphone comes with a 50MP primary sensor and an 8MP ultra-wide lens at the rear, while a 20MP front camera handles selfies and video calls.
The Redmi K90 Ultra also carries IP66, IP68 and IP69 ratings for dust and water resistance. Audio performance is enhanced with Bose-tuned dual stereo speakers supporting Dolby Atmos and Hi-Res Audio.
Massive 8,550mAh Battery with Fast Charging
One of the biggest highlights of the Redmi K90 Ultra is its massive 8,550mAh battery. It supports 100W fast charging and comes bundled with a 100W GaN charger in the box.
The device also supports 22.5W reverse wired charging and uses Xiaomi’s Surge P3 charging chip along with Surge G2 battery management technology for improved efficiency and safety.
Final Verdict
With flagship-grade performance, a huge battery and advanced cooling, the Redmi K90 Ultra is clearly designed for power users and mobile gamers. It stands out as one of the most feature-packed smartphones in its segment, especially for those prioritizing performance and battery life.