| Hardware and OS Oppo K9 5G |
| Operating system: | Android v11 |
| Processor: | Qualcomm Snapdragon 870 5G - 7 nm |
| RAM: | 8 GB |
| Internal Storage: | 128 GB |
| Display Oppo K9 5G |
| Type: | Super AMOLED |
| Size: | 6.5 inches |
| Resolution: | 1080 x 2400 Pixels |
| Pixel Density: | 409 ppi |
| Touchscreen: | Yes, Capacitive Touchscreen, Multi-touch |
| Connectivity Oppo K9 5G |
| Network support: | 5G , 4G , 3G, 2G |
| WI-FI: | Yes, Wi-Fi 802.11, b/g/n |
| Gps: | Yes, with A-GPS, Glonass |
| Bluetooth: | Yes, v5.1 |
| Dual SIM: | Dual SIM, GSM GSM |
| SIM size: | SIM1: Nano, SIM2: Nano |
| USB connectivity: | Mass storage device, USB charging |
| Camera Oppo K9 5G |
| Main camera: | 64 MP 8 MP 2 MP 2 MP |
| Front camera: | 16 MP |
| Front camera resolution: | 16 MP, f/2.4, (wide) |
| Camera features: | Digital Zoom, Auto Flash, Face detection, Touch to focus |
| Flash: | Yes, LED Flash |
| Autofocus: | Yes |
| Video recording: | Yes |
| Multimedia Oppo K9 5G |
| Audio jack: | 3.5 MM |
| Loudspeaker: | Yes |
| Design Oppo K9 5G |
| Height: | 163.6 mm |
| Width: | 74 mm |
| Thickness: | 8.3 mm |
| Weight: | 193 grams |
| Colours: | Black, Silver |
| Battery Oppo K9 5G |
| Capacity: | 4300 mAh |
| Type: | Li-Polymer |
| Other Oppo K9 5G |
| Fingerprint sensor: | Yes |
| Fingerprint sensor position: | On-Screen |
| Other sensors: | Accelerometer, Gyro, Proximity, Compass |
