Samsung Galaxy M31 Prime features a 6.4-inches Super AMOLED display and has a Corning Gorilla Glass protection. It is available in three color variants, such as Space Black, Ocean Blue, and Iceberg Blue. For the camera, the phone equips a quad-camera setup on the rear (64MP+8MP+5MP+5MP) and a 32MP selfie camera. The device is powered by the Samsung Exynos 9 Octa 9611 chipset with 6GB RAM and 128GB internal storage (expandable up to 512GB with a microSD card. The phone runs on a 6000mAh battery with 15W fast charging support. In the software department, the handset runs the Android v10 (Q) operating system. The other latest Samsung Galaxy M series mobile you may look like is the Samsung Galaxy M12s.
| Processor | Samsung Exynos 9 Octa 9611 |
| Display | 6.4 inches (16.26 cms) |
| Storage | 128 GB |
| Front Camera | Single (32 MP, f/2.0, Wide Angle Camera(26 mm focal length, 2.8" sensor size, 0.8 m pixel size)) |
| Rear Camera | Quad (64 MP, f/1.8, Wide Angle Camera + 8 MP, f/2.2, Wide Angle, Ultra-Wide Angle Camera(4.0" sensor size, 1.12µm pixel size) + 5 MP, f/2.4 Camera + 5 MP, f/2.2, depth Camera) |
| Battery | 6000 mAh |
| RAM | 6 GB |
| Launch Date | October 16, 2020 |
| Dimensions | 6.27 x 2.96 x 0.35 inch (159.2 x 75.1 x 8.9 mm) |
| Weight | 191 grams |
| Build | Back: Plastic |
| Face unlock | Yes |
| Colors | Space Black, Ocean Blue, Iceberg Blue |
| Chipset | Samsung Exynos 9 Octa 9611 |
| No of Cores | 8 (Octa Core) |
| CPU | 2.3GHz, Quad core, Cortex A73 + 1.7GHz, Quad core, Cortex A53 |
| Architecture | 64-bit |
| Graphics | Mali-G72 MP3 |
| Operating System | Android v10 (Q) |
| Custom UI | Samsung One UI |
| Internal Memory | 128 GB |
| RAM | 6 GB |
| Expandable Memory | Yes, microSD, Up to 512 GB (Dedicated) |
| Size | 6.4 inches (16.26 cms) |
| Display Type | Super AMOLED |
| Resolution | 1080 x 2340 pixels |
| Aspect ratio | 19.5:9 |
| Bezel-less display | Yes, with Waterdrop notch |
| Brightness | 420 nits |
| Protection | Corning Gorilla Glass v3 |
| TouchScreen | Yes, Capacitive, Multi-touch |
| Color Reproduction | 16M Colors |
| Screen to body percentage | 83.92 % |
| Pixel Density | 403 pixels per inch (ppi) |
| Sensor | ISOCELL Plus |
| Flash | Rear (LED Flash) |
| Rear | Quad (64 MP, f/1.8, Wide Angle Camera + 8 MP, f/2.2, Wide Angle, Ultra-Wide Angle Camera(4.0" sensor size, 1.12µm pixel size) + 5 MP, f/2.4 Camera + 5 MP, f/2.2, depth Camera) |
| Front | Single (32 MP, f/2.0, Wide Angle Camera(26 mm focal length, 2.8" sensor size, 0.8µm pixel size)) |
| Camera Features | Auto Focus, Face detection, Touch to focus |
| Shooting Modes | Continuos Shooting, High Dynamic Range mode (HDR) |
| Zoom | Digital 8 x |
| Video | Rear: 3840x2160 @ 30 fps, Front: 3840x2160 @ 30 fps, 1920x1080 @ 30 fps |
| Type | Li-ion |
| Capacity | 6000 mAh |
| Removable | No |
| Fast Charging | Yes, 15W |
| Talk time | Up to 48 Hours(4G) |
| Wi-Fi | Yes with a/ac/b/g/n/n 5GHz |
| SIM Configuration | Dual SIM (SIM1: Nano) (SIM2: Nano) |
| Bluetooth | Bluetooth v5.0 |
| Network | 4G: Available (supports Indian bands), 3G: Available, 2G: Available |
| Voice over LTE(VoLTE) | Yes |
| Wi-fi features | Wi-Fi Direct, Mobile Hotspot |
| GPS | Yes with A-GPS, Glonass |
| Infrared | Yes |
| USB | USB Type-C, Mass storage device, USB charging |
| NFC Chipset | No |
| Fingerprint sensor | Yes, Rear |
| Other Sensor | Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope |
| Speaker Features | Dolby Atmos |
| Speaker | Yes |
| Audio Jack | Yes, 3.5mm |