| Global Score | |
| 81.3 | 76.3 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | Android 4.4.4 |
| 2020-04-27 | -- |
| 6.27 x 2.88 x 0.34 inches | 5.21 x 2.58 x 0.26 inches |
| 6.53 ounces | 4.06 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white | Black, Blue, Gold, Gray and White |
| Plastic | -- |
| -- | Scratch-Resistant Glass |
| -- | $ 320.00 |
| Display / Screen | |
| 6.4 inches | 4.7 inches |
| 2400 x 1080 pixels | 720 x 1280 pixels (HD) |
| Super AMOLED | Super AMOLED |
| 411 pixels per inch | 312 pixels per inch |
| No touch screen | Capacitive, Multi-touch |
| 8.1 | 8.4 |
| Performance | |
| MediaTek Helio P65 MT6768 chipset | Qualcomm Snapdragon 801 chipset |
| Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor | Krait 400 (Quad-Core 2500 MHz) processor |
| 4 GB RAM | 2 GB (933 MHz) RAM |
| Mali-G52 MC2 GPU | Adreno 330 (450 MHz) GPU |
| 9.09 | 9.36 |
| Storage | |
| 64 GB internal memory | 32 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 5.8 |
| Camera | |
| 48.00 MP + 20.00 MP | 12.00 MP + 2.10 MP |
| f/2.00 aperture | f/2.20 aperture |
| 26.00mm focal length | 31.00mm focal length |
| 0.5 inches (1/2") sensor | -- |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (120 fps) (HD) slow motion video |
| 10.89 | 9.46 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA, EDGE, GPRS and GSM |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 1860mAh Li-Ion Battery |
| Non-Removable Battery | Removable Battery |
| -- | 11 hours talk time |
| 6.8 | 3.76 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.0 |
| 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 is slightly better than Samsung Galaxy Alpha, getting an 81.3 score against 76.3. These phones work with Android OS, but Samsung Galaxy A31 has older 10 version while Samsung Galaxy Alpha has Android 4.4.4 version. Even being the best in our current comparison, Samsung Galaxy A31 is a noticeably thicker and much heavier cellphone than Samsung Galaxy Alpha.
The Galaxy Alpha features just a bit better processing power than Galaxy A31, because although it has a lower amount of RAM and less processing cores (but faster), it also counts with an additional graphics processing unit. The Samsung Galaxy Alpha features just a bit better looking screen than Galaxy A31, although it has a way lower 1280 x 720 resolution, a way smaller display and a little less pixels per inch in the screen.
The Samsung Galaxy A31 has a much better memory to install applications and games than Galaxy Alpha, because it has an external memory slot that allows up to 512 GB and more internal storage capacity. The Galaxy A31 captures better pictures and videos than Samsung Galaxy Alpha, and although they both have the same 1920x1080 (Full HD) video quality and the same video frame rates, the Galaxy A31 also has a larger aperture to capture better images in low-light environments and a way better resolution camera in the back.
Samsung Galaxy A31 counts with a really longer battery duration than Samsung Galaxy Alpha, because it has a 169 percent greater battery size.
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