Redmi has officially launched the K80 Ultra in China alongside the Mix Flip 2, adding a new high-performance model to its premium K-series lineup. The device brings upgrades across display, cooling, audio, and battery systems.
Redmi K80 Ultra Specifications
The Redmi K80 Ultra sports a 6.83-inch 1.5K flat OLED display with a 144Hz refresh rate and 480Hz touch sampling rate. It uses M9 luminescent materials and supports a peak brightness of 3200 nits.
Xiaomi has incorporated 2560Hz ultra-high frequency PWM dimming, full-brightness DC dimming, Dolby Vision, and HDR10+ certification. The screen is protected by Xiaomi’s Shield Glass and supports circular polarizers along with TÜV certifications for low blue light and visual health. It also carries China’s S++ visual comfort rating.
The Redmi K80 Ultra runs on MediaTek’s 3nm Dimensity 9400+ chipset, coupled with the Immortalis-G925 GPU. It has posted an AnTuTu score of over 3.24 million, making it the top performer among phones using this chip. Xiaomi has also equipped the device with its new D2 AI Display Chip, which supports frame interpolation and game upscaling. For thermal management, the phone features a 6500mm² 3D IceLoop vapor chamber with a two-tier raised design to enhance heat dissipation. The thermal system is supported by Redmi’s fourth-generation Fury Engine, which helps optimize performance.
The phone runs on Xiaomi’s HyperOS 2 based on Android 15, providing system-level optimizations, improved fluidity, and enhanced AI-driven features tailored to the K80 Ultra’s hardware capabilities.
Redmi has equipped the phone with a dual rear camera setup. It includes a 50MP Light Hunter 800 main sensor (1/1.55″) with OIS, and an 8MP 119° ultra-wide-angle lens. On the front, the device features a 20MP selfie camera capable of 1080p video recording at 60fps. The rear cameras also support up to 8K video capture.
The K80 Ultra houses a large 7410mAh battery composed of high-energy-density cells containing 10% silicon, reaching 827Wh/L. It supports 100W wired fast charging with Bypass Charging Plus, which helps in reducing heat during gaming or prolonged usage. Xiaomi claims the battery can deliver up to 2.26 days of typical use based on DOU testing metrics.
In terms of audio, the phone features symmetrical dual 1115 coaxial speakers and a 0916C ultra-wideband haptic motor with a closed-loop driver IC. The motor delivers improved vibration response and consistency. The phone supports Wi-Fi 7, Bluetooth 5.4, NFC, IR blaster, USB Type-C audio, and IP68/IP69 dust and water resistance. Security is handled via a 3D ultrasonic in-display fingerprint sensor.
Pricing and Availability
The Redmi K80 Ultra comes in four color options: Sandstone Grey, Moonstone White, Spruce Green, and Ice Peak Blue. It is available in five configurations:
- 12GB + 256GB: 2599 yuan (~$360)
- 16GB + 256GB: 2799 yuan (~$390)
- 12GB + 512GB: 2999 yuan (~$420)
- 16GB + 512GB: 3299 yuan (~$460)
- 16GB + 1TB: 3799 yuan (~$530)
The phone is now up for sale in China.
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