| Hardware and OS | Sansui S51 | |
| Operating System | Android v6.0 (Marshmallow) | |
| Processor | 1.3 GHz, Quad Core Processor | |
| RAM | 1 GB | |
| Internal Memory | 8 GB | |
| Memory Card Slot | Yes, upto 64 GB | |
| Dual Sim | Yes | |
| Sim Type | Dual Sim, GSM GSM | |
| Display | Sansui S51 | other phones |
| Screen Size | 4.5 inches, 720 x 1280 pixels | |
| Pixel Density | ~326 PPI | |
| Touch Screen | Yes | |
| Display aspect ratio | 16:9 | |
| Connectivity | Sansui S51 | other phones |
| 3G Network | Yes | |
| 4G Network | Yes | |
| Bluetooth | Yes | |
| GPS | Yes | |
| VoLTE | Yes | |
| Wifi | Yes | |
| Camera | Sansui S51 | other phones |
| Main camera | 5 MP with autofocus | |
| Selfie camera | 3.2 MP | |
| Multimedia | Sansui S51 | other phones |
| Headphone jack | Yes | |
| FM Radio | No | |
| Java | Yes, via 3rd party | |
| Battery | Sansui S51 | other phones |
| Battery capacity | 2000 mAh | |
| Type | Removable Battery | |
