| Hardware and OS Xiaomi Redmi Note 9 4G |
| Operating system: | Android 10.0, MIUI 12 |
| Processor: | Octa-core (4x2.0 GHz Kryo 260 Gold, 4x1.8 GHz Kryo 260 Silver) |
| GPU: | Adreno 610 |
| RAM: | 4 GB, 6 GB, 8 GB |
| Internal Storage: | 128 GB, 256 GB |
| Memory Card Slot: | microSDXC (dedicated slot) |
| User Interface: | Yes |
| Display Xiaomi Redmi Note 9 4G |
| Type: | IPS LCD |
| Size: | 6.53 inches |
| Resolution: | 1080 x 2340 pixels |
| Colors: | 16M Colors |
| Pixel Density: | 395 ppi |
| Touchscreen: | Capacitive touchscreen |
| Protection: | Corning Gorilla Glass 3 |
| Connectivity Xiaomi Redmi Note 9 4G |
| 4G Network: | 1, 3, 5, 8, 34, 38, 39, 40, 41 |
| 5G Network: | No |
| Wi-Fi: | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| GPS: | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| NFC: | No |
| USB: | USB Type-C 2.0, USB On-The-Go |
| Speed: | HSPA 42.2/5.76 Mbps, LTE-A |
| SIM: | Nano SIM |
| Dual SIM: | Dual SIM (Nano-SIM, dual stand-by) |
| Wireless Charging: | No |
| Camera Xiaomi Redmi Note 9 4G |
| Main camera: | 48 MP (wide), 8 MP (ultrawide), 2 MP (macro) |
| Features: | LED flash, HDR, panorama |
| Image: | 1080p |
| Selfie camera: | 8 MP (wide) |
| Multimedia Xiaomi Redmi Note 9 4G |
| Loudspeaker: | Yes |
| Handsfree: | Yes |
| Radio: | Yes |
| Video Playback: | Yes |
| Video Out: | Yes |
| Ring Tones: | Yes |
| 3.5 mm Jack: | Yes |
| Design Xiaomi Redmi Note 9 4G |
| Dimensions: | 162.3 x 77.3 x 9.6 mm |
| Waterproof: | Water-repellent coating |
| Weight: | 198 g |
| Battery Xiaomi Redmi Note 9 4G |
| Capacity: | Li-Po 6000 mAh, Fast charging 18W, Reverse charging 2.5W |
| Placement: | Non-removable |
| Other Xiaomi Redmi Note 9 4G |
| Sensors: | Fingerprint (side-mounted), accelerometer, proximity, compass, |
