| Hardware and OS | Redmi Note 5A | |
| Operating system | Android 7.1.1 (Nougat) | |
| GPU | Adreno 308, Adreno 505 | |
| RAM | 2GB | |
| Internal Storage | 16GB | |
| Memory Card Slot | Yes (up to 128GB) | |
| User Interface | MIUI 9.0 | |
| Display | Redmi Note 5A | other phones |
| Type | IPS | |
| Size | 5.5 inch | |
| Resolution | 1280 x 720 (HD) | |
| Colors | 16 Million Colors, 70% NTSC, 1000:1 Contrast Ratio, 450nits | |
| Pixel Density | 267 ppi | |
| Touchscreen | Yes | |
| Features | Eye Protection Mode, Color Temperature Adjustment | |
| Connectivity | Redmi Note 5A | other phones |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Single Band, Wi-Fi Direct | |
| GPS | Yes - GPS/ AGPS/ Glonass/ BDS | |
| NFC | No | |
| USB | MicroUSB 2.0 (w/ USB Host) | |
| Speed | HSPA, LTE | |
| SIM | Nano SIM | |
| Dual SIM | Yes (With Non-Hybrid MicroSD Expansion) | |
| Camera | Redmi Note 5A | other phones |
| Main camera | 13MP, f/2.2 | |
| Features | LED Flash | |
| Selfie camera | 5 MP, f/2.0 | |
| Multimedia | Redmi Note 5A | other phones |
| Loudspeaker | Yes | |
| Video Playback | MP4, M4V, MKV, XVID, WAV, AAC (H.265 Support) | |
| 3.5 mm Jack | yes | |
| Design | Redmi Note 5A | other phones |
| Dimensions | 153 x 76.2 x 7.55 mm | |
| Waterproof | No | |
| Weight | 150g | |
| Battery | Redmi Note 5A | other phones |
| Placement | Non-Removable | |
| Other | Redmi Note 5A | other phones |
| Sensors | Accelerometer, Proximity Sensor, Ambient Light Sensor, Magnetometer, Vibration Motor, Infra-red Sensor | |