| Hardware and OS Realme X9 |
| Operating system: | Android v10 (Q) |
| Custom UI: | Realme UI |
| Processor: | Octa core (2.4 GHz, Dual core, Cortex A76 2 GHz, Hexa Core, Cortex A55) |
| Processor: | MediaTek Dimensity 800 MT6853 |
| Chipset: | MediaTek Dimensity 800 MT6853 |
| Internal Storage: | 128 GB |
| GPU: | Mali-G57 MC3 |
| RAM: | 6 GB |
| Camera Realme X9 |
| Main camera: | 64 MP 8 MP 2 MP 2 MP |
| Autofocus: | Yes |
| Camera features: | Digital Zoom, Auto Flash, Face detection, Touch to focus |
| Image: | 9000 x 7000 Pixels |
| Flash: | Yes, LED Flash |
| Front camera: | 32 MP |
| Front camera resolution: | 32 MP Primary Camera |
| Video recording: | Yes |
| Connectivity Realme X9 |
| Bluetooth: | Yes, v5.0 |
| SIM size: | SIM1: Nano, SIM2: Nano |
| Dual SIM: | Dual SIM, GSM GSM |
| GPS: | Yes, with A-GPS |
| Network support: | 5G , 4G , 3G, 2G |
| USB connectivity: | Mass storage device, USB charging |
| USB TYPE-C: | Yes |
| WI-FI: | Yes, Wi-Fi 802.11, b/g/n |
| Multimedia Realme X9 |
| Audio jack: | 3.5 MM |
| Loudspeaker: | Yes |
| Battery Realme X9 |
| Capacity: | 4300 mAh |
| Type: | Li-ion |
| User replaceable: | No |
| Quick charging: | Yes, Fast, 65W |
| Design Realme X9 |
| Colors: | Blue |
| Features Realme X9 |
| Fingerprint sensor position: | On-Screen |
| Fingerprint sensor: | Yes |
| Other sensors: | Light sensor, Proximity sensor, Accelerometer, Compass |
