Compare phones
| Global Score | |
| 79.2 | 81.3 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 10 |
| 2018-01-06 | 2020-04-27 |
| 5.87 x 2.78 x 0.33 inches | 6.27 x 2.88 x 0.34 inches |
| 6.07 ounces | 6.53 ounces |
| Black, Blue, Gold and Orchid grey | Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white |
| Aluminum and Glass (Corning Gorilla Glass 5) | Plastic |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 5.6 inches | 6.4 inches |
| 2220 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 441 pixels per inch | 411 pixels per inch |
| No touch screen | No touch screen |
| 8.3 | 8.1 |
| Performance | |
| Samsung Exynos 5 Octa 7885 chipset | MediaTek Helio P65 MT6768 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2200 MHz) processor | Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali-G71 GPU | Mali-G52 MC2 GPU |
| 9.18 | 9.09 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 10.78 | 11.74 |
| Camera | |
| 16.00 MP + 16.00 MP | 48.00 MP + 20.00 MP |
| f/1.70 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), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.3 | 6.7 |
| Battery Life | |
| 3000mAh Li - Polymer Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 4.96 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | 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 has a global score of 81.3, which is a bit better than Galaxy A8 (2018)'s overall score of 79.2. Samsung Galaxy A31 is a extremely newer cellphone than the Galaxy A8 (2018), although it is a little heavier and a little thicker. The Galaxy A8 (2018) has a little sharper display than Galaxy A31, because although it has a quite smaller display and a little bit lower 1080 x 2220px resolution, it also counts with a just a bit greater screen density.
The Galaxy A31 counts with a little bit more memory for games and applications than Galaxy A8 (2018), and although they both have exactly the same internal storage, the Galaxy A31 also has a slot for an SD memory card that allows a maximum of 512 GB. The Galaxy A8 (2018) has a little better hardware performance than Galaxy A31. They have a Octa-Core CPU and 4 GB of RAM.
Galaxy A31 counts with a much longer battery lifetime than Galaxy A8 (2018), because it has 5000mAh of battery capacity. The Samsung Galaxy A31 takes much clearer photos and videos than Samsung Galaxy A8 (2018), because although it has a tinier diafragm aperture which is worse for low-light images and video, and they both have the same video frame rates and the same video definition, the Samsung Galaxy A31 also counts with a lot more MP camera in the back.
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