Highlights
- Redmi K90 Ultra launched in India at the starting price of 2,799 yuan at the base variant.
- It features 6.83-inch AMOLED panel, dedicated D2 display chip, Snapdragon 8 Elite, up to 16GB LPDDR5X RAM, 512GB UFS 4.1 storage, active air-cooling system with fan + vapor chamber and HyperOS 3.
- Other features include 50MP OIS main camera, 20MP selfie camera, 8,550mAh battery with 100W fast charging and IP66/68/69 durability rating.
Xiaomi has officially unveiled the Redmi K90 Ultra in China. The Redmi K90 lineup already includes premium offerings such as the Redmi K90 Pro Max and Redmi K90 Max with the K90 Ultra joining the series as another high-performance option. Here’s everything you need to know about the newly launched smartphone.
Redmi K90 Ultra – Price and Availability
The Redmi K90 Ultra is now available for purchase in China. It is offered in Shadow Black, Space Silver, and Sky Blue colour options.
The 12GB RAM + 256GB storage variant is priced at 2,799 yuan (approximately $420). Xiaomi is also offering the 16GB + 256GB version at the same introductory price of 2,799 yuan (approximately $420). The 12GB + 512GB model is priced at 3,299 yuan (approximately $495), while the top-end 16GB + 512GB variant costs 3,499 yuan (approximately $525).
Xiaomi has not announced whether the Redmi K90 Ultra will be introduced in global markets or remain exclusive to China.
Redmi K90 Ultra – Key Specifications
The Redmi K90 Ultra features a 6.83-inch flat AMOLED display with a 1.5K resolution of 2772 × 1280 pixels and a 165Hz refresh rate. Xiaomi has used M10 display material, which is claimed to deliver up to 3,500 nits of peak brightness. For gaming and responsive interactions, the display supports a 480Hz multi-finger touch reporting rate along with a 3,500Hz instant touch sampling rate to minimize input latency.
Powering the smartphone is Qualcomm’s 3nm Snapdragon 8 Elite processor. It is paired with up to 16GB LPDDR5X RAM and up to 512GB UFS 4.1 storage. Xiaomi has also included a dedicated D2 display chip that handles AI-based upscaling and frame interpolation during gaming for an enhanced visual experience.
To manage heat during intensive workloads, the Redmi K90 Ultra comes equipped with an active air-cooling system featuring an 18.1mm cooling fan that reportedly operates at just 32dB. The cooling setup also includes a 6,000mm² vapour chamber to efficiently dissipate heat from the processor. The smartphone runs Xiaomi’s HyperOS 3 out of the box.
For photography, the handset sports a dual rear camera setup led by a 50-megapixel Light Hunter 800 sensor with a 1/1.55-inch sensor size, f/1.68 aperture, and optical image stabilization (OIS). It is accompanied by an 8-megapixel ultra-wide camera. The rear cameras support video recording at up to 8K resolution at 30fps. On the front, the phone houses a 20-megapixel selfie camera capable of recording 1080p videos.
The Redmi K90 Ultra packs a large 8,550mAh battery that supports 100W wired fast charging, 22.5W wired reverse charging, and bypass charging.
The smartphone carries IP66, IP68, and IP69 ratings for dust and water resistance while its active cooling fan module is separately certified with IPX8 and IPX9 ratings. Other notable features include dual stereo speakers tuned by Bose, a 3D ultrasonic fingerprint scanner, an X-axis linear vibration motor, Wi-Fi 7 and Bluetooth 5.4 connectivity.
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