Samsung Galaxy M31
Device Specifications
| Brand | Samsung |
| Model Year | 2020 |
| Purpose | Mid-range |
| Colour |
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| Dimension | 158.0 x 73.2 x 7.9 mm |
| Weight | 191 g |
| Material | Plastic frame and back |
| Water Resistance | No |
| Water Resistance Rating | N/A |
| Processor Brand | Samsung |
| Processor Name | Exynos 9110 |
| Processor Core | Octa Core |
| Processor Speed | 2.3 GHz |
| Processor Type | 10 nm |
| Processor GPU | Mali-G72 MP3 |
| AI | NPU |
| SoC | Exynos 9611 |
| Display Size | 6.4 inches |
| Display Resolution | 2436 x 1080 pixels |
| Display Technology | Super AMOLED |
| Display Colour | 16M |
| Display Refresh Rate | 60 Hz |
| Display Pixel Density | 403 ppi |
| Display Aspect Ratio | 19.5:9 |
| Display Contrast Ratio | ∞:1 |
| Display Brightness | 600 nits |
| Display Glass | Corning Gorilla Glass 3 |
| Display HDR Support | No |
| Display Touch Screen | Yes |
| RAM | 6 GB |
| RAM Type | LPDDR4x |
| Storage | 64 GB |
| Storage Type | eMMC 5.1 |
| Memory Card | Yes (up to 256 GB) |
| SIM Count | Dual SIM |
| SIM Size | Nano-SIM |
| SIM Slot Type | Dual |
| Networks |
|
| Network Generations | 4G |
| Network Others | LTE Cat.15 |
| Front Camera Photo Size | 32 MP |
| Front Camera Resolution | 32 MP |
| Front Camera Pixel Size | 0.8 µm |
| Front Camera Aperture | ƒ/2.0 |
| Front Camera AutoFocus | No |
| Front Camera FOV | 80° |
| Front Camera Video Recording Resolution | Full HD @ 30fps |
| Front Camera Image Stabilization | No |
| Front Camera Others | Single Camera |
| Back Camera Photo Size |
|
| Back Camera Resolution | 64 MP + 12 MP + 5 MP + 5 MP |
| Back Camera Pixel Size |
|
| Back Camera Aperture |
|
| Back Camera FOV |
|
| Back Camera AutoFocus | Yes (PDAF) |
| Back Camera Zoom | 3x Digital Zoom |
| Back Camera Video Recording Resolution | 8K @30fps |
| Back Camera Image Stabilization | No |
| Back Camera Others | Quad Camera, LED Flash |
| Slow Motion | 960fps @ 720p |
| Audio Jack | Yes (3.5mm) |
| Microphone | Yes |
| Speaker | Single Speaker |
| Video Playing Format |
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| Video Playing Resolution | 4K |
| Audio Playing Format |
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| USB | USB Type-C 2.0 |
| NFC | No |
| MHL | No |
| Operating System | Android 11 (upgradable to Android 15) |
| Sensors |
|
| Battery Capacity | 6000 mAh |
| Battery Life | Video playback - Up to 29 hours |
| Battery Charging | 21.5W Wired |
| Battery Type | Non-removable Li-Ion |
| SAR | 0.74 W/kg |
| SAR EU | 0.33 W/kg |
