| Hardware and OS | Poco X3 GT 256GB 8GB RAM | |
| Operating system | Android v11 | |
| Processor | MediaTek Dimensity 1100 MT6891Z | |
| RAM | 8 GB | |
| Internal Storage | 256 GB | |
| Custom UI | MIUI | |
| Display | Poco X3 GT 256GB 8GB RAM | other phones |
| Type | FHD Dot | |
| Size | 6.6 inches | |
| Resolution | 2400 x 1080 Pixels | |
| Pixel Density | 399 ppi | |
| Touchscreen | Yes, Capacitive Touchscreen, Multi-touch | |
| Protection | Corning Gorilla Glass, Glass Victus | |
| Aspect ratio | 20:9 | |
| Refresh rate | 120 Hz | |
| Screen to body ratio calculated | 84.85 % | |
| Connectivity | Poco X3 GT 256GB 8GB RAM | other phones |
| Network support | 5G , 4G , 3G, 2G | |
| WI-FI | Yes, Wi-Fi 802.11, a/ac/b/g/n/n 5GHz | |
| Gps | Yes with A-GPS, Glonass | |
| Bluetooth | Yes, v5.2 | |
| NFC | Yes | |
| Dual SIM | Dual SIM, GSM GSM | |
| SIM size | SIM1: Nano, SIM2: Nano | |
| USB TYPE-C | Yes | |
| USB connectivity | Mass storage device, USB charging | |
| Camera | Poco X3 GT 256GB 8GB RAM | other phones |
| Main camera | 64 MP 8 MP 2 MP | |
| Image | 9000 x 7000 Pixels | |
| Front camera | 16 MP | |
| Front camera resolution | 16 MP f/2.45, Wide Angle Primary Camera | |
| Camera features | Digital Zoom, Auto Flash, Face detection, Touch to focus | |
| Flash | Yes, LED Flash | |
| Autofocus | Yes | |
| Video recording | 1920x1080 @ 30 fps | |
| Multimedia | Poco X3 GT 256GB 8GB RAM | other phones |
| Audio jack | USB Type-C | |
| Loudspeaker | Yes | |
| Audio features | Dolby Atmos | |
| Design | Poco X3 GT 256GB 8GB RAM | other phones |
| Height | 163.3 mm | |
| Width | 75.9 mm | |
| Thickness | 8.9 mm | |
| Weight | 193 grams | |
| Colours | Cloud White, Wave Blue, Stargaze Black | |
| Battery | Poco X3 GT 256GB 8GB RAM | other phones |
| Capacity | 5000 mAh | |
| Type | Li-Polymer | |
| Quick charging | Yes, Turbo, 67W: 100 % in 42 minutes | |
| Other | Poco X3 GT 256GB 8GB RAM | other phones |
| Fingerprint sensor | Yes | |
| Fingerprint sensor position | Side | |
| Other sensors | Proximity Sensor, Ambient Light Sensor, Accelerometer, Gyroscope, Electronic Compass, Vibration Motor, IR Blaster | |
