| Brand: | Xiaomi |
| Model: | Redmi 9 |
| Type: | Smartphone |
| Release Date: | 2020, June 10 |
| Size: | 6.53 inches, 104.7 cm2 (~83.2% screen-to-body ratio) |
| Resolution: | 1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density) |
| Technology: | IPS LCD, 400 nits (typ) |
| Protection: | Corning Gorilla Glass 3 |
| Main Features: | LED flash, HDR, panorama |
| Main Video: | 1080p@30fps |
| Selfie Specs: | 8 MP, f/2.0, 27mm (wide), 1/4.0", 1.12µm |
| Selfie Features: | HDR |
| Selfie Video: | 1080p@30fps |
| Capacity: | Li-Po 5020 mAh, non-removable |
| Type: | Li-Po |
| Chipset: | Mediatek MT6769V/CU Helio G80 (12 nm) |
| Ram: | 3GB |
| Storage: | 32GB |
| Expandable: | microSDXC (dedicated slot) |
| Dimensions: | 163.3 x 77 x 9.1 mm (6.43 x 3.03 x 0.36 in) |
| Weight: | 198 g (6.98 oz) |
| Wifi: | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| Bluetooth: | 5.0, A2DP, LE |
| Nfc: | Yes |
| Usb: | USB Type-C 2.0, USB On-The-Go |
| Headphone Jack: | Yes |
| Network: | GSM / HSPA / LTE |
| Sensors: | Fingerprint (rear-mounted), accelerometer, proximity, compass |
| Colors: | Carbon Gray, Sunset Purple, Ocean Green, Pink/Blue |