Samsung Galaxy A31
| Category | Mid-range |
| Announced | March 2020 |
| Release date | April 2020 |
| Launch price | ~ 225 USD |
Full specifications
Detailed specifications, tests, and benchmarks of the Samsung Galaxy A3173
Display
| Type | Super AMOLED |
| Size | 6.4 inches |
| Resolution | 1080 x 2400 pixels |
| Aspect ratio | 20:9 |
| PPI | 411 ppi |
| Refresh rate | 60 Hz |
| HDR support | No |
| Screen protection | Tempered glass |
| Screen-to-body ratio | 84.9% |
| Display features | - Always-On Display |
| RGB color space | 96.8% |
| PWM | 238 Hz |
| Response time | 8 ms |
| Contrast | ∞ Infinity |
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Design and build
| Height | 159.3 mm (6.27 inches) |
| Width | 73.1 mm (2.88 inches) |
| Thickness | 8.6 mm (0.34 inches) |
| Weight | 185 gramm (6.53 oz) |
| Waterproof | No |
| Rear material | Plastic |
| Frame material | Plastic |
| Colors | White, Black, Blue, Red |
| Fingerprint scanner | Yes, in-display |
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Performance
| Chipset | Mediatek Helio P65 |
| Max. clock | 2000 MHz |
| CPU cores | 8 (2 + 6) |
| Architecture | - 6 cores at 1.7 GHz: Cortex-A55 - 2 cores at 2 GHz: Cortex-A75 |
| Lithography process | 12 nanometers |
| Graphics | Arm Mali-G52 2EEMC2 |
| GPU clock | 820 MHz |
| FLOPS | ~56.4 GFLOPS |
| RAM size | 4 GB |
| Memory type | LPDDR4X |
| Memory clock | 1866 MHz |
| Channels | 2 |
| Storage size | 64, 128 GB |
| Storage type | eMMC 5.1 |
| Memory card | MicroSD |
| Memory card max. size | Up to 512 GB |
Benchmarks
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Software
| Operating system | Android 10 |
| ROM | One UI 2.5 |
| OS size | 27 GB |
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Battery
| Capacity | 5000 mAh |
| Charge power | 15 W |
| Battery type | Li-Ion |
| Replaceable | No |
| Wireless charging | No |
| Reverse charging | No |
| Fast charging | Yes, Samsung Adaptive Fast Charge (50% in 60 min) |
| Full charging time | 2:25 hr |
Battery life tests
Mobile Phone Battery Life Ranking - 14th place
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Camera
| Matrix | 48 megapixels |
| Image resolution | 8000 x 6000 |
| Zoom | Digital |
| Flash | LED |
| Stabilization | Digital |
| 8K video recording | No |
| 4K video recording | No |
| 1080p video recording | Up to 30FPS |
| Slow motion | No |
| Angle of widest lens | 123° |
| Lenses | 4 (48 MP + 8 MP + 5 MP + 5 MP) |
| Wide (main) lens | - 48 MP - Aperture: f/2.0 - Focal length: 26 mm - Pixel size: 0.8 micron - Sensor: 1/2.0", Samsung S5KGM2 (ISOCELL CMOS) - Phase autofocus |
| Ultra-wide lens | - 8 MP - Aperture: f/2.2 - Focal length: 13 mm - Pixel size: 1.12 micron - Sensor: 1/4.0" (CMOS) |
| Macro lens | - 5 MP - Aperture: f/2.4 |
| Depth lens | - 5 MP - Aperture: f/2.4 |
| Camera features | - Bokeh mode - Pro mode |
| Megapixels | 20 megapixels |
| Image resolution | 5963 x 3354 |
| Aperture | f/2.2 |
| Sensor type | CMOS |
| Video resolution | 1080p (Full HD) при 30 FPS |
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Connectivity
| Wi-Fi standard | Wi-Fi 5 (802.11 a/b/g/n/ac) |
| Wi-Fi features | - Dual Band - Wi-Fi Direct - Wi-Fi Hotspot |
| Bluetooth version | 5 |
| Bluetooth features | PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP |
| USB type | USB Type-C |
| USB version | 2 |
| USB features | - Charging - USB-Storage mode - OTG |
| GPS | GPS, GLONASS, Beidou, Galileo |
| NFC* | Yes |
| Infrared port | No |
| Number of SIM* | 2 |
| Type of SIM card | Nano |
| Multi SIM mode | Standby |
| eSIM support* | No |
| Hybrid slot | No |
| LTE Cat* | 12 |
| 2G network | GSM850, GSM900, DCS1800, PCS1900 |
| 3G network | B1 (2100), B2 (1900), B5(850), B8 (900) |
| 4G network | B1(2100), B2(1900), B3(1800), B5(850), B7(2600), B8(900), B20(800), B38(2600), B40(2300), B41(2500) |
| 5G support | No |
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Sound
| Speakers | Mono |
| Headphone audio jack | Yes |
| FM radio | Yes |
| Dolby Atmos | Yes |
Speakers test
Other
| Category | Mid-range |
| Announced | March 2020 |
| Release date | April 2020 |
| Launch price | ~ 225 USD |
| SAR (head) | 0.49 W/kg |
| SAR (body) | 1.68 W/kg |
| Sensors | - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
| Box* | - |
*Disclaimer! Some specifications of the Galaxy A31 may differ by country or region
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