Compare phones
| Global Score | |
| 75.8 | 81.3 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 10 |
| 2017-01-13 | 2020-04-27 |
| 6.17 x 3.06 x 0.31 inches | 6.27 x 2.88 x 0.34 inches |
| 6.56 ounces | 6.53 ounces |
| Black sky, Blue mist, Gold sand and Peach cloud | Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white |
| Aluminum and Glass (Corning Gorilla Glass 4) | Plastic |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 5.7 inches | 6.4 inches |
| 1920 x 1080 pixels (Full HD) | 2400 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 386 pixels per inch | 411 pixels per inch |
| No touch screen | No touch screen |
| 7.9 | 8.1 |
| Performance | |
| Samsung Exynos 7 Octa 7880 chipset | MediaTek Helio P65 MT6768 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1900 MHz) processor | Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| Mali-T830 MP3 GPU | Mali-G52 MC2 GPU |
| 9 | 9.09 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.88 | 11.74 |
| Camera | |
| 16.00 MP + 16.00 MP | 48.00 MP + 20.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 9.24 | 10.89 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G) and HSPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.1 | 6.7 |
| Battery Life | |
| 3600mAh Li - Ion Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.6 | 6.8 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Samsung Galaxy A31 is a bit better than the Galaxy A7 (2017), getting a score of 81.3 against 75.8. The Samsung Galaxy A31 body is extremely newer and just a little lighter, but just a bit thicker than the Galaxy A7 (2017). Galaxy A31 features a bit more powerful processing unit than Galaxy A7 (2017), and although they both have the same number of cores, the Galaxy A31 also has more RAM memory.
The Galaxy A31 features a slightly better looking screen than Samsung Galaxy A7 (2017), because it has a quite larger screen, a quite higher pixel number in each inch of screen and a quite better resolution of 1080 x 2400px. Galaxy A31 counts with a very superior storage for applications and games than Samsung Galaxy A7 (2017), because it has a SD card slot that holds a maximum of 512 GB and 32 GB more internal storage capacity.
The Galaxy A31 shoots much better photographs and videos than Samsung Galaxy A7 (2017), because although it has a tinier diafragm aperture which is not so good for low light photography, and they both have the same 30 fps video frame rate and the same 1920x1080 (Full HD) video quality, the Galaxy A31 also counts with a camera in the back with way more MP.
The Samsung Galaxy A31 counts with a way better battery life than Galaxy A7 (2017), because it has a 39% greater battery size.
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