Compare phones
| Global Score | |
| 77.7 | 81.3 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | Android 10 |
| 2020-06-19 | 2020-04-27 |
| 6.44 x 2.96 x 0.35 inches | 6.27 x 2.88 x 0.34 inches |
| 6.77 ounces | 6.53 ounces |
| Black, Blue, Red and White | Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white |
| -- | Plastic |
| Display / Screen | |
| 6.5 inches | 6.4 inches |
| 1600 x 720 pixels | 2400 x 1080 pixels |
| TFT | Super AMOLED |
| 270 pixels per inch | 411 pixels per inch |
| No touch screen | No touch screen |
| 7.2 | 8.1 |
| Performance | |
| Samsung Exynos 850 chipset | MediaTek Helio P65 MT6768 chipset |
| Arm Cortex-A55, 64-bit (Octa-Core 2000 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-G76 GPU | Mali-G52 MC2 GPU |
| 9.09 | 9.09 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 9.84 | 11.74 |
| Camera | |
| 48.00 MP + 13.00 MP | 48.00 MP + 20.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 10.78 | 10.89 |
| 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 and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Galaxy A31 is a bit better than Galaxy A21s, having an 81.3 score against 77.7. Both phones in this review work with the same Android 10 OS (Operating System). The Galaxy A31 is a just a little bit lighter and just a little bit thinner phone than Galaxy A21s, even though they were released with only a few months difference.
The Galaxy A31 counts with a CPU that is just as good as the CPU in Samsung Galaxy A21s, and although the Galaxy A31 has 1 GB more RAM, they both have 8 cores. The Samsung Galaxy A31 counts with a sharper screen than Samsung Galaxy A21s, because although it has a little smaller display, it also counts with a much higher 1080 x 2400 resolution and a lot more pixels per inch of screen.
The Galaxy A31 features a slightly better camera than Samsung Galaxy A21s. Both have the same (Full HD) video definition, the same 30 frames per second video frame rates, the same camera aperture, a 0.5 inches back camera sensor and a 48 mega-pixels back facing camera. Galaxy A31 has a greater storage capacity to install applications and games or saving photos and videos than Samsung Galaxy A21s, and although they both have a SD card slot that holds a maximum of 512 GB, the Galaxy A31 also has 64 GB internal memory.
The Galaxy A31's battery life is very similar to the battery life in Galaxy A21s.
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