| Hardware and OS | Xiaomi Redmi A2 | |
| Operating system | Android v8.0 (Oreo) | |
| Chipset | Qualcomm Snapdragon 625 MSM8953 | |
| Processor | Octa core, 2 GHz, Cortex A53 | |
| Graphics | Adreno 506 | |
| RAM | 4 GB | |
| Internal Storage | 32 GB | |
| Expandable memory | Yes Up to 128 GB | |
| Custom UI | MIUI | |
| Display | Xiaomi Redmi A2 | other phones |
| Type | IPS LCD | |
| Size | 5.7 inches | |
| Resolution | 1080 x 2160 pixels | |
| Pixel Density | 424 ppi | |
| Touchscreen | Yes Capacitive Touchscreen, Multi-touch | |
| Aspect ratio | 18:9 | |
| Screen to body ratio calculated | 77.38 % | |
| Connectivity | Xiaomi Redmi A2 | other phones |
| Network support | 4G , 3G, 2G | |
| WI-FI | Yes Wi-Fi 802.11, a/ac/b/g/n | |
| Gps | Yes with A-GPS, Glonass | |
| Bluetooth | Yes v5.0 | |
| Dual SIM | Dual SIM, GSM GSM | |
| SIM size | SIM1: Nano, SIM2: Nano (Hybrid) | |
| USB TYPE-C | Yes | |
| USB connectivity | Mass storage device, USB charging | |
| Camera | Xiaomi Redmi A2 | other phones |
| Main camera | 16 MP 5 MP | |
| Image | 4616 x 3464 Pixels | |
| Front camera | 16 MP | |
| Camera features | Digital Zoom, Auto Flash, Face detection, Touch to focus | |
| Flash | Yes Soft light flash | |
| Autofocus | Yes Phase Detection autofocus | |
| Video recording | 3840x2160 @ 30 fps, 1920x1080 @ 30 fps, 1280x720 @ 120 fps | |
| Battery | Xiaomi Redmi A2 | other phones |
| Capacity | 3000 mAh | |
| Type | Li-ion | |
| User replaceable | No | |
| Quick charging | Yes Quick | |
| Other | Xiaomi Redmi A2 | other phones |
| Fingerprint sensor | Yes | |
| Other sensors | Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope | |
