| Hardware and OS | Poco X4 256GB 8GB RAM | |
| Operating system | Android v11 (Q) | |
| Processor | Octa-core (2x2.3 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver) | |
| Chipset | Qualcomm SDM765 Snapdragon 765G (7 nm) | |
| Internal Storage | 256 GB | |
| Expandable memory | Yes | |
| GPU | Adreno 618 | |
| RAM | 8 GB | |
| Camera | Poco X4 256GB 8GB RAM | other phones |
| Main camera | 64 MP 13 MP 2 MP 2 MP | |
| Autofocus | Yes | |
| Camera features | Digital Zoom, Auto Flash, Face detection, Touch to focus | |
| Flash | Yes, Dual LED Flash | |
| Front camera | 20 MP | |
| Front camera resolution | 20 MP, f/2.2, (wide), 1/3.4", 0.8µm | |
| Video recording | Yes | |
| Connectivity | Poco X4 256GB 8GB RAM | other phones |
| Bluetooth | Yes, v5.0 | |
| SIM size | SIM1: Nano, SIM2: Nano | |
| Dual SIM | Dual SIM, GSM GSM | |
| GPS | Yes, with A-GPS | |
| Network support | 4G , 3G, 2G | |
| NFC | Yes | |
| USB connectivity | Mass storage device, USB charging | |
| USB TYPE-C | Yes | |
| WI-FI | Yes, Wi-Fi 802.11 a/b/g/n/ac | |
| Multimedia | Poco X4 256GB 8GB RAM | other phones |
| Loudspeaker | Yes | |
| Battery | Poco X4 256GB 8GB RAM | other phones |
| Capacity | 6000 mAh | |
| Type | Li-ion | |
| User replaceable | No | |
| Design | Poco X4 256GB 8GB RAM | other phones |
| Colors | Cobalt Blue, Shadow Gray | |
| Height | 165.3 mm | |
| Width | 76.8 mm | |
| Thickness | 10.1 mm | |
| Weight | 225 grams | |
| Features | Poco X4 256GB 8GB RAM | other phones |
| Fingerprint sensor position | Side | |
| Fingerprint sensor | Yes | |
| Other sensors | Accelerometer, Gyro, Proximity, Compass | |
