The Xiaomi Mi Mix 3 mobile features a 6.5″ (16.51 cm) display with a screen resolution of 1080 x 2340 pixels and runs on Android v9.0 (Pie) operating system. The device is powered by Octa core (2.8 GHz, Quad core, Kryo 385 + 1.8 GHz, Quad core, Kryo 385) processor paired with 8 GB of RAM. As far as the battery is concerned it has 4000 mAh. Over that, as far as the rear camera is concerned this mobile has a 12 MP + 20 MP camera Exmor-RS CMOS Sensor supporting a resolution of 4000 x 3000 Pixels and the front snapper is powered by a Exmor-RS CMOS Sensor. Other sensors include Light sensor, Proximity sensor, Accelerometer, Barometer, Compass, Gyroscope. So, does it have a fingerprint sensor? Yes, it does. For graphical performance that can make games run smoothly, this phone has got a Adreno 630 GPU. On board storage is at 256 GB with the option to expand the memory by No.