| Global Score | |
| 76.3 | 81.3 |
| Basic Information | |
| Samsung | Samsung |
| Android 4.4.4 | Android 10 |
| -- | 2020-04-27 |
| 5.21 x 2.58 x 0.26 inches | 6.27 x 2.88 x 0.34 inches |
| 4.06 ounces | 6.53 ounces |
| Black, Blue, Gold, Gray and White | Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white |
| -- | Plastic |
| Scratch-Resistant Glass | -- |
| $ 320.00 | -- |
| Display / Screen | |
| 4.7 inches | 6.4 inches |
| 720 x 1280 pixels (HD) | 2400 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 312 pixels per inch | 411 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 8.4 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 801 chipset | MediaTek Helio P65 MT6768 chipset |
| Krait 400 (Quad-Core 2500 MHz) processor | Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 2 GB (933 MHz) RAM | 4 GB RAM |
| Adreno 330 (450 MHz) GPU | Mali-G52 MC2 GPU |
| 9.36 | 9.09 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 5.8 | 11.74 |
| Camera | |
| 12.00 MP + 2.10 MP | 48.00 MP + 20.00 MP |
| f/2.20 aperture | f/2.00 aperture |
| 31.00mm focal length | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | -- |
| 9.46 | 10.89 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 7 | 6.7 |
| Battery Life | |
| 1860mAh Li-Ion Battery | 5000mAh Li - Polymer Battery |
| Removable Battery | Non-Removable Battery |
| 11 hours talk time | -- |
| 3.76 | 6.8 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
The Samsung Galaxy A31 has an overall score of 81.3, which is a bit better than Samsung Galaxy Alpha's 76.3 global score. Both of these phones use Android OS (operating system), but Samsung Galaxy A31 has 10 version while Samsung Galaxy Alpha has Android 4.4.4. Samsung Galaxy A31's design is much thicker and extremely heavier than Samsung Galaxy Alpha.
Galaxy Alpha has a slightly better display than Samsung Galaxy A31, although it has a just a little lower pixel density, a way lower 1280 x 720 pixels resolution and a way smaller display. The Galaxy Alpha has a bit more powerful processing unit than Samsung Galaxy A31, because although it has a smaller amount of RAM memory and less cpu cores , it also counts with an additional graphics co-processor.
The Galaxy A31 features a superior memory capacity to store more games and applications than Samsung Galaxy Alpha, because it has a SD memory card expansion slot that holds up to 512 GB and 64 GB internal memory capacity. Galaxy A31 takes much better pictures and videos than Samsung Galaxy Alpha, and although they both have the same 1920x1080 video definition and the same video frame rates, the Galaxy A31 also has a camera in the back with much more megapixels and a larger aperture.
Galaxy A31 counts with a really longer battery life than Samsung Galaxy Alpha, because it has a 169% larger battery capacity.
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