1 and Xiaomi 9 mobile phones are equipped with Snapdragon 855 processor, which is composed of one super-large core+three large cores+four small cores, and the super-large core plays a very important role, with the highest frequency of 2.84GHz. The Snapdragon 855 processor adopts TSMC 7nm technology, the CPU adopts eight nuclear Kryo485 architecture, and the GPU adopts Adreno640.

2. Xiaomi 9 is the first mobile phone in the world to support 20W wireless flash charging, and the wireless charging rate has increased by 37%. At the same time, Xiaomi 9 supports up to 27W wired flash charging, and the mobile phone can be fully charged in 60 minutes.

3. Xiaomi 9 mobile phone screen is equipped with the fifth-generation fingerprint unlocking technology, and adopts a new generation of optical fingerprint identification module, which especially optimizes the unlocking experience in strong light, dry fingers and other scenes, which not only is super sensitive to unlocking, but also greatly improves the success rate.

4. Xiaomi 9, also known as the fighting angel, has holographic angel eyes, which have no practical effect, but can change with the colorful effect on the back of the mobile phone.

Data expansion: Xiaomi mobile phone camera function: dynamic focus: this function is turned on by default. Just slide a finger on the screen to select and track the object, and the focus will continue to focus along the moving route of the selected object, dynamically adjust the focus and calculate the exposure. If "Take pictures automatically when tracking objects" is turned on in the camera, the camera will automatically take pictures when the objects are still and save the pictures.