| Hardware and OS | Realme X9 Pro | |
| Operating system | Android 11, Realme UI 2 | |
| Processor | Octa-core (1x3.0 GHz Cortex-A78, 3x2.6 GHz Cortex-A78, 4x2.0 GHz Cortex-A55) | |
| GPU | Mali-G77 MC9 | |
| RAM | 8 GB, 12 GB | |
| Internal Storage | 128 GB, 256 GB | |
| Memory Card Slot | No | |
| User Interface | Yes | |
| Display | Realme X9 Pro | other phones |
| Type | OLED | |
| Size | 6.4 inches | |
| Resolution | 1080 x 2400 pixels | |
| Colors | 16M | |
| Pixel Density | ~411 PPI density | |
| Connectivity | Realme X9 Pro | other phones |
| 4G Network | LTE | |
| 5G Network | SA/NSA | |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot | |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | |
| NFC | Yes | |
| USB | USB Type-C 2.0, USB On-The-Go | |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A, 5G | |
| SIM | Nano SIM | |
| Dual SIM | Dual SIM (Nano-SIM, dual stand-by) | |
| Wireless Charging | No | |
| Camera | Realme X9 Pro | other phones |
| Main camera | 108 MP (wide), 13 MP (telephoto), 13 MP (ultrawide) | |
| Features | LED flash, HDR, panorama | |
| Image | 2160p | |
| Selfie camera | Unspecified | |
| Multimedia | Realme X9 Pro | other phones |
| Loudspeaker | Yes | |
| Handsfree | Yes | |
| Radio | No | |
| Video Playback | Yes | |
| Video Out | Yes | |
| Ring Tones | Yes | |
| 3.5 mm Jack | No | |
| Design | Realme X9 Pro | other phones |
| Waterproof | No | |
| Battery | Realme X9 Pro | other phones |
| Capacity | Li-Po 4500 mAh, Fast charging 65W | |
| Placement | Non-Removable | |
| Other | Realme X9 Pro | other phones |
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass, | |
