| Brand | Samsung |
| Model | Galaxy A31 |
| Device Type | SmartPhone |
| Release Date | 27 April 2020 |
| Status | Available |
| Operating System | Android |
| OS Version | v10 |
| User Interface | One UI 4.1 |
| Chipset | Mediatek MT6768 Helio P65 |
| CPU | Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55) |
| CPU Cores | 8 Cores |
| Architecture | 64 bit |
| Fabrication | 12 nm |
| GPU | Mali-G52 MC2 |
| Display Type | Super AMOLED |
| Screen Size | 6.4 inches (98.9 cm2) |
| Resolution | 1080x2400 px |
| Aspect Ratio | 20:9 |
| Pixel Density | 411 ppi |
| Screen to Body Ratio | 83.38 % |
| Screen Protection | Corning Gorilla Glass |
| Bezel-less Display | Yes with waterdrop notch |
| Touch Screen | Capacitive Touchscreen, Multi-touch |
| Brightness | 635 nits |
| Refresh Rate | 60 Hz |
| Notch | Waterdrop |
| Camera Setup | Quad |
| Resolution | 48 MP, f/2.0, Primary Camera, 8 MP, f/2.2, Ultra-Wide Angle Camera, 5 MP, f/2.4, Macro Camera, 5 MP, f/2.4, Depth Camera |
| Autofocus | Yes |
| Flash | LED Flash |
| Image Resolution | 8000 x 6000 Pixels |
| Settings | Exposure compensation, ISO control |
| Zoom | 8 x Digital Zoom |
| Shooting Modes | Continuous Shooting |
| Aperture | f/2.0 |
| Camera Features | Auto Flash, Face detection, Touch to focus |
| Video Recording | 1920x1080 |
| Video FPS | 30 fps |
| Camera Setup | Single |
| Resolution | 20 MP, f/2.2, Primary Camera |
| Video Recording | 1920x1080 |
| Video FPS | 30 fps |
| Aperture | f/2.2 |
| Height | 159.3 mm |
| Width | 73.1 mm |
| Thickness | 8.6 mm |
| Weight | 185 grams |
| Colors | Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White |
| Battery type | Li-Poly (Lithium Polymer) |
| Capacity | 5000 mAh |
| Quick Charging | 15W wired |
| Placement | Non-removable |
| USB Type-C | USB Type-C 2.0 |
| Internal Storage | 128 GB |
| Storage Type | eMMC 5.1 |
| User Available Storage | Up to 104 GB |
| Expandable Memory | Up to 512 GB |
| USB OTG | Yes |
| RAM | 6 GB |
| RAM Type | LPDDR4X |
| Network | 2G, 3G, 4G |
| SIM Slot | Dual SIM, GSM+GSM |
| SIM Size | SIM1: Nano, SIM2: Nano |
| EDGE | Available |
| GPRS | Available |
| VoLTE | Yes |
| Speed | HSPA, LTE |
| SAR Value | Head: 1.13 W/kg |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
| Bluetooth | v5.0 |
| GPS | Yes with A-GPS, Glonass |
| Wi-fi Hotspot | Yes |
| NFC | Yes (market/region dependent) |
| USB | Mass storage device, USB charging |
| Light Sensor | Light sensor, Proximity sensor, Accelerometer, Gyroscope |
| Fingerprint Sensor | Yes |
| Finger Sensor Position | On-screen |
| Finger Sensor Type | Optical |
| Face Unlock | Yes |
| FM Radio | Yes |
| Loudspeaker | Yes |
| Alert Types | Vibration, MP3, WAV ringtones |
| Audio Jack | 3.5 mm |
| Audio Features | Dolby Atmos |
| Video | 1080p@30fps |
| Document Reader | Yes |
| Made By | Korea |
| Features | Light sensor, Proximity sensor, Accelerometer, Gyroscope |
