| Hardware and OS Xiaomi Redmi Note 9 |
| Operating System: | Android v10 (Q) |
| Custom UI: | MIUI |
| Processor: | Octa core (2 GHz, Dual core, Cortex A75 2 GHz, Hexa Core, Cortex A55) |
| Chipset: | MediaTek Helio G85 |
| Architecture: | 64 bit |
| RAM: | 4 GB |
| Internal Memory: | 64 GB |
| Expandable Memory: | yes Up to 512 GB |
| Graphics: | Mali-G52 |
| SIM Slot(s): | Dual SIM, GSM GSM |
| Display Xiaomi Redmi Note 9 |
| Screen Size: | 6.53 inches (16.59 cm) |
| Screen Resolution: | 1080 x 2340 pixels |
| Display Type: | IPS LCD |
| Pixel Density: | 395 ppi |
| Aspect Ratio: | 19.5:9 |
| Refresh Rate: | 60 Hz |
| Screen Protection: | Corning Gorilla Glass v5 |
| Touch Screen: | yes Capacitive Touchscreen, Multi-touch |
| Main Camera Xiaomi Redmi Note 9 |
| Resolution: | 48 MP f/1.79 Primary Camera(2" sensor size, 0.8µm pixel size)8 MP f/2.2, Wide Angle, Ultra-Wide Angle Camera(4.0" sensor size)2 MP f/2.4, Macro Camera(1.75µm pixel size)2 MP f/2.4, Depth Camera(5.0" sensor size) |
| Image Resolution: | 8000 x 6000 Pixels |
| Flash: | yes LED Flash |
| Sensor: | ISOCELL Plus |
| Camera Features: | Digital Zoom, Auto Flash, Face detection, Touch to focus |
| Autofocus: | yes Phase Detection autofocus |
| Physical Aperture: | F1.79 |
| Video Recording: | 3840x2160 @ 30 fps |
| Shooting Modes: | Continuos Shooting, High Dynamic Range mode (HDR), Burst mode |
| Settings: | Exposure compensation, ISO control |
| Front Camera Xiaomi Redmi Note 9 |
| Resolution: | 13 MP f/2.25 Primary Camera(3" sensor size, 1.12µm pixel size) |
| Physical Aperture: | F2.25 |
| Video Recording: | 1920x1080 @ 30 fps |
| Connectivity Xiaomi Redmi Note 9 |
| Network: | 4G: Available ,
3G: Available, 2G: Available |
| SIM Size: | SIM1: Nano, SIM2: Nano |
| Bluetooth: | yes v5.0 |
| GPS: | yes with A-GPS, Glonass |
| VoLTE: | yes |
| Wi-Fi: | yes Wi-Fi 802.11, a/b/g/n |
| Wi-Fi Calling: | yes |
| Wi-Fi Features: | Wi-Fi Direct, Mobile Hotspot |
| USB Connectivity: | Mass storage device, USB charging |
| Multimedia Xiaomi Redmi Note 9 |
| Audio Jack: | 3.5 mm |
| Loudspeaker: | yes |
| Design Xiaomi Redmi Note 9 |
| Height: | 161.4 mm |
| Width: | 76.7 mm |
| Thickness: | 8.7 mm |
| Weight: | 200 grams |
| Colours: | Pebble Grey, Arctic White, Aqua Green |
| Waterproof: | yes Splash proof |
| Battery Xiaomi Redmi Note 9 |
| Type: | Li-ion |
| Capacity: | 5020 mAh |
| User Replaceable: | No |
| Quick Charging: | yes Fast, 22.5W |
| Quick Charging: | yes |
| USB Type-C: | yes |
| USB OTG Support: | yes |
| Features Xiaomi Redmi Note 9 |
| Fingerprint Sensor: | yes |
| Fingerprint Sensor Position: | Rear |
| Other Sensors: | Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope |
