| Hardware and OS | Poco M3 256GB 8GB RAM | |
| Operating system | Android v10 (Q) | |
| Custom UI | MIUI | |
| Processor | Octa core (2 GHz, Quad core, Kryo 260 1.8 GHz, Quad core, Kryo 260) | |
| Chipset | Qualcomm Snapdragon 662 | |
| Internal Storage | 256 GB | |
| Expandable memory | Yes, Upto 512 GB | |
| GPU | Adreno 610 | |
| RAM | 8 GB | |
| Camera | Poco M3 256GB 8GB RAM | other phones |
| Main camera | 48 MP 2 MP 2 MP | |
| Aperture | F2.05 | |
| Autofocus | Yes | |
| Camera features | Digital Zoom, Auto Flash, Face detection, Touch to focus | |
| Image | 8000 x 6000 Pixels | |
| Flash | Yes, LED Flash | |
| Front camera | 8 MP | |
| Front camera resolution | 8 MP f/2.05, Wide Angle Primary Camera | |
| Video recording | 1920x1080 @ 30 fps | |
| Connectivity | Poco M3 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, Glonass | |
| Network support | 4G , 3G, 2G | |
| USB connectivity | Mass storage device, USB charging | |
| USB TYPE-C | Yes | |
| WI-FI | Yes, Wi-Fi 802.11, ac/b/g/n/n 5GHz | |
| Multimedia | Poco M3 256GB 8GB RAM | other phones |
| Audio jack | 3.5 MM | |
| FM radio | Yes | |
| Loudspeaker | Yes | |
| Battery | Poco M3 256GB 8GB RAM | other phones |
| Capacity | 6000 mAh | |
| Type | Lithium-ion Polymer | |
| User replaceable | No | |
| Quick charging | Yes, Fast, 18W | |
| Design | Poco M3 256GB 8GB RAM | other phones |
| Build material back | Back: Plastic | |
| Colors | Power Black, Cool Blue, Yellow | |
| Height | 162.3 mm | |
| Width | 77.3 mm | |
| Thickness | 9.6 mm | |
| Weight | 197 grams | |
| Features | Poco M3 256GB 8GB RAM | other phones |
| Fingerprint sensor position | Side | |
| Fingerprint sensor | Yes | |
| Other sensors | Proximity Sensor, Ambient Light Sensor, Accelerometer, Electronic Compass, Vibration Motor, IR Blaster | |
