| Hardware and OS Samsung Galaxy A81 |
| Operating system: | Android v9.0 (Pie) |
| Processor: | Octa core (2.2 GHz, Dual core, Kryo 470 1.8 GHz, Hexa Core, Kryo 470) |
| Processor: | Qualcomm Snapdragon 730G |
| Chipset: | Qualcomm Snapdragon 730G |
| Internal Storage: | 128 GB |
| GPU: | Adreno 618 |
| RAM: | 8 GB |
| Camera Samsung Galaxy A81 |
| Main camera: | 48 MP 10 MP |
| Autofocus: | Yes, Phase Detection autofocus |
| Camera features: | Digital Zoom, Auto Flash, Face detection, Touch to focus |
| Image: | 8000 x 6000 Pixels |
| Flash: | Yes, LED Flash |
| Front camera: | 48 MP 10 MP |
| Front camera resolution: | 48 MP Primary Camera, 10 MP Camera |
| Video recording: | Yes |
| Connectivity Samsung Galaxy A81 |
| 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 |
| NFC: | Yes |
| USB connectivity: | Mass storage device, USB charging |
| USB TYPE-C: | Yes |
| WI-FI: | Yes, Wi-Fi 802.11, b/g/n |
| Multimedia Samsung Galaxy A81 |
| Audio jack: | 3.5 MM |
| Loudspeaker: | Yes |
| Battery Samsung Galaxy A81 |
| Capacity: | 4000 mAh |
| Type: | Li-ion |
| User replaceable: | No |
| Quick charging: | Yes, Fast |
| Design Samsung Galaxy A81 |
| Colors: | Black |
| Features Samsung Galaxy A81 |
| Fingerprint sensor position: | On-Screen |
| Fingerprint sensor: | Yes |
| Other sensors: | Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope |
