| Hardware and OS | TCL X20 SE | |
| Operating System | Android v11 | |
| Processor | Octa core, 2 GHz, Cortex A53 | |
| Chipset | MediaTek Helio P22 | |
| Architecture | 64 bit | |
| Internal Memory | 32 GB | |
| External memory | Yes, Up to 256 GB | |
| RAM | 3 GB | |
| GPU | PowerVR GE8320 | |
| Display | TCL X20 SE | other phones |
| Type | IPS LCD | |
| Size | 6.52 inches (16.56 cm) | |
| Screen format | 20:9 | |
| PPI /points per inch/ | 269 ppi | |
| Touchscreen | Yes, Capacitive Touchscreen, Multi-touch | |
| Connectivity | TCL X20 SE | other phones |
| 4G Bands | TD-LTE 2300(band 40), FD-LTE 1800(band 3) | |
| Network Support | 4G, 3G, 2G | |
| SIM card | SIM1: Nano, SIM2: Nano | |
| SIM Slot(s) | Dual SIM, GSM GSM | |
| Bluetooth | Yes, v5.0 | |
| GPS | Yes with A-GPS | |
| USB Connectivity | Mass storage device, USB charging | |
| VoLTE | Yes | |
| Wi-Fi | Yes, Wi-Fi 802.11, b/g/n | |
| Camera | TCL X20 SE | other phones |
| Main camera | 13 MP, Primary Camera, 2 MP, 2 MP, | |
| Camera Setup | Triple | |
| Autofocus | Yes | |
| Camera Features | Digital Zoom, Auto Flash, Face detection, Touch to focus | |
| Flash | Yes, LED Flash | |
| Image Resolution | 4128 x 3096 Pixels | |
| Video Recording | 1920x1080 @ 30 fps | |
| Selfie camera | 5 MP, Primary Camera, | |
| Multimedia | TCL X20 SE | other phones |
| Headphone jack | 3.5 mm | |
| Loudspeaker | Yes | |
| Design | TCL X20 SE | other phones |
| Colours | Black | |
| Battery | TCL X20 SE | other phones |
| Capacity | 5000 mAh | |
| Type | Li-Polymer | |
| Removable | No | |
| Quick Charging | Yes, Fast, 18W | |
| USB Type-C | Yes | |
| Other features | TCL X20 SE | other phones |
| Fingerprint Sensor | Yes | |
| Fingerprint Sensor Position | Rear | |
| Other Sensors | Light sensor, Proximity sensor, Accelerometer | |
