[Index page](../../) ## Redmi K20 / Mi 9T ### General * Regional name(s): Redmi K20 (Mainland China / India), Mi 9T (Global) * Codename: davinci ### Hardware * SoC: Qualcomm Snapdragon 730 @ 2.2 GHz * Memory: 6GB / 8GB * Storage: 64GB / 128GB / 256GB ### Display * Panel: OLED * Size: 6.39 inches * Resolution: 2340 x 1080 pixels * Pixel density: 403 ppi * Aspect ratio: ? * Brightness: 600 nits * Contrast ratio: 60000:1 * Colour gamut: 103.8% NTSC ### Camera **Rear camera** * Sensor: ? * Resolution: 48 megapixels * Pixel size: 0.8 µm * Aperture: f/1.75 * OIS: No * Autofocus: Phase detection * Flash: Single-tone --- * Sensor: ? * Resolution: 8 megapixels * Pixel size: 1.12 µm * Aperture: f/2.4 * OIS: No * Autofocus: Contrast --- * Sensor: ? * Resolution: 13 megapixels * Pixel size: 1.12 µm * Aperture: f/2.4 * OIS: No * Autofocus: No **Video recording** * Normal: 4K @ 30 fps / 1080p/720p @ 60 fps * Slow motion: 1080p/720p @ 960 fps **Front camera** * Sensor: ? * Resolution: 20 megapixels * Pixel size: 0.8 µm * Aperture: f/2.2 * OIS: No * Autofocus: No * Flash: Single-tone ### Battery * Capacity: 4000 mAh * Wired charging: Qualcomm Quick Charge 3.0 (18W) ### Dimensions * Size: 156.7 x 74.3 x 8.8 mm * Weight: 191 g ### Connectivity **Cellular** * SIM slots: Nano + Nano **Chinese Version** | Network | Bands | |:---------:|:-------------------:| | FDD-LTE | B1/B3/B5/B7/B8 | | TDD-LTE | B34/B38/B39/B40/B41 | | TD-SCDMA | B34/B39 | | WCDMA | B1/B2/B5/B8 | | GSM | B2/B3/B5/B8 | | CDMA/EVDO | BC0 | **Global Version** | Network | Bands | |:-------:|:----------------------------:| | FDD-LTE | B1/B2/B3/B4/B5/B7/B8/B20/B28 | | TDD-LTE | B38/B40 | | WCDMA | B1/B2/B4/B5/B8 | | GSM | B2/B3/B5/B8 | **Wi-Fi** * Protocols: 802.11 a/b/g/n/ac * Bands: 2.4 GHz / 5 GHz * MIMO: MU-MIMO **Bluetooth & NFC** * Bluetooth: 5.0 * NFC: Yes **Ports** * USB Type-C * Headphone jack ### Navigation * GPS * Galileo * GLONASS * BDS ### Biometrics * Fingerprint sensor: In-display ### Sensors * Proximity * Gyroscope * Ambient light * Accelerometer * Electronic compass