Xiaomi Redmi K90

REDMI K90 is a smartphone product under REDMI, which was released in October 2025 and belongs to the second chapter of Xiaomi's flagship new product launch season. The series launched a standard version phone preheating activity on October 22, 2025, positioning itself as a "more balanced new generation flagship welder" with a focus on upgrading its appearance, image, and experience from a single performance flagship.

This series includes two models, the K90 and the first launched K90 Pro Max. It is equipped with Qualcomm Snapdragon 8 Ultimate Edition processor (Standard Edition) and the fifth generation Snapdragon 8 Ultimate Edition chip (Pro/Max Edition). The entire series comes standard with a 2K resolution straight screen using M10 luminescent material, supports Qingshan Eye Protection 3.0 technology, and uses ultrasonic under screen fingerprint recognition technology.

The series models adopt a metal frame and glass body design, supporting IP68 waterproof. The standard version is available in two colors: low saturation purple and classic white. It is equipped with a 6.59-inch screen to achieve a 94% screen to body ratio and features a visual four sided design.

The entire imaging system comes standard with a 50 megapixel telephoto lens, with the standard version equipped with an upright telephoto lens that supports 3x optical zoom. The main camera is equipped with the Howay OV50Q sensor, and the Pro Max version is equipped with a 50 megapixel main camera and periscope telephoto lens. The entire series is equipped with high-capacity batteries of 7000mAh or more. The standard version comes with a built-in 7100mAh silicon carbon negative electrode battery, while the Pro Max version has a battery capacity of 7560mAh, supporting 100W wired fast charging and an additional 50W wireless charging.

The system runs the Pengpai OS 3.0 based on Android and comes standard with an X-axis linear motor, dual speakers, and NFC functionality. The Pro Max version is equipped with an audio system that is tuned in conjunction with BOSE. The back of the body features reinforced speaker openings with the "Sound by Bose" logo, while the standard version adopts BOSE joint tuning technology.

On October 28, 2025, Sun Cun, the product manager of Xiaomi REDMI, introduced the PC game engine of REDMI K90 series smartphones in a post, stating that the phone can also play Steam games.

Its main parameters are as follows: