| Hardware and OS Xiaomi Redmi 9 Activ |
| Operating system: | Android 10, MIUI 12 |
| Processor: | Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) |
| Chipset: | MediaTek MT6765G Helio G35 (12 nm) |
| Internal memory: | 64GB 4GB RAM, 128GB 6GB RAM |
| External memory: | microSDXC (dedicated slot) |
| GPU: | PowerVR GE8320 |
| Display Xiaomi Redmi 9 Activ |
| Size: | 6.53 inches, 102.9 cm2 |
| Resolution: | 720 x 1600 pixels, 20:9 ratio |
| Type: | IPS LCD, 400 nits (typ) |
| Main Camera Xiaomi Redmi 9 Activ |
| Camera: | 13 MP, f/2.2, (wide), PDAF
2 MP, f/2.4, (depth) |
| Features: | LED flash, HDR |
| Video: | 1080p@30fps |
| Selfie camera Xiaomi Redmi 9 Activ |
| Camera: | 5 MP, f/2.2, (wide), 1.12µm |
| Features: | HDR |
| Video: | 1080p@30fps |
| Connectivity Xiaomi Redmi 9 Activ |
| 2G Network: | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network: | HSDPA 850 / 900 / 2100 |
| 4G Network: | 1, 3, 5, 8, 40, 41 |
| Bluetooth: | 5.0, A2DP, LE |
| GPS: | Yes, with A-GPS, GLONASS, BDS |
| NFC: | No |
| Speed: | HSPA 42.2/5.76 Mbps, LTE-A |
| Technology: | GSM / HSPA / LTE |
| USB: | microUSB 2.0, USB On-The-Go |
| WLAN: | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| Multimedia Xiaomi Redmi 9 Activ |
| 3.5 mm Jack: | Yes |
| Loudspeaker: | Yes |
| Radio: | FM radio |
| Battery Xiaomi Redmi 9 Activ |
| Type: | Li-Po 5000 mAh, non-removable |
| Charging: | Charging 10W |
| Design Xiaomi Redmi 9 Activ |
| Body: | Water-repellent coating |
| Colors: | Carbon Black, Coral Green, Metallic Purple |
| Dimensions: | 164.9 x 77.1 x 9 mm (6.49 x 3.04 x 0.35 in) |
| Weight: | 194 g (6.84 oz) |
| SIM: | Dual SIM (Nano-SIM, dual stand-by) |
| Features Xiaomi Redmi 9 Activ |
| Sensors: | Fingerprint (rear-mounted), accelerometer, proximity |
