Generale
| Producător | Samsung |
| Model | Galaxy A51 |
| Nr. SIM | Dual SIM |
| Culoare | Prism Crush Black |
| Dimensiuni (L x L x G) | 158.5 x 73.6 x 7.9 mm |
| Greutate | 172 g |
Caracteristici
| Retea 2G | 850 / 900 / 1800 / 1900 |
| Retea 3G | 850 / 900 / 1900 / 2100 |
| Retea 4G | LTE |
| Tip SIM | Nano-SIM |
| Sistem de operare | Android |
| Chipset | Exynos 9611 |
| GPS | Da |
Procesor
| Tip procesor | Octa Core |
Display
| Tehnologia ecranului | Super AMOLED |
| Rezolutie | 1080 x 2400 px |
| Numar culori | 16000 K |
| Diagonala display | 6.5" |
Memorie
| Slot memorie | MicroSD pana la 1 TB |
| Memorie interna | 128 GB |
| Memorie RAM | 6 GB |
