Compare phones
| Global Score | |
| 74.5 | 81.3 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 10 |
| 2021-01-04 | 2020-04-27 |
| 6.46 x 2.99 x 0.36 inches | 6.27 x 2.88 x 0.34 inches |
| 6.91 ounces | 6.53 ounces |
| Black, Blue and White | Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white |
| Plastic and Plastic | Plastic |
| $ 170.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.4 inches |
| 1600 x 720 pixels | 2400 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 270 pixels per inch | 411 pixels per inch |
| No touch screen | No touch screen |
| 7.2 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 450 SDM450 chipset | MediaTek Helio P65 MT6768 chipset |
| Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| Adreno 506 GPU | Mali-G52 MC2 GPU |
| 8.91 | 9.09 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 1 TB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 11.12 | 11.74 |
| Camera | |
| 13.00 MP + 5.00 MP | 48.00 MP + 20.00 MP |
| f/2.20 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 |
| 8.8 | 10.89 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 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 |
| 6.6 | 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 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Galaxy A31 is a bit better than the Galaxy A02s, with a general score of 81.3 against 74.5. Both of these phones use Android OS (operating system), but Galaxy A31 has an older 10 version and Galaxy A02s has Android 11. Galaxy A31 is a just a bit thinner and a little lighter cellphone than the Galaxy A02s, although both were released only a few months apart.
The Galaxy A31 has a better display than Galaxy A02s, because although it has a bit smaller screen, it also counts with a much higher pixels count per inch of display and a lot higher resolution of 1080 x 2400px. The Galaxy A31 has a little bit more storage capacity to store more games and applications than Samsung Galaxy A02s, because although it has an external SD slot that admits up to 512 GB against 1 TB, it also counts with 64 GB internal storage capacity.
Galaxy A31 features just a little better performance than Samsung Galaxy A02s, and although they both have 8 CPU cores, the Galaxy A31 also has a larger amount of RAM. The Samsung Galaxy A02s and the Galaxy A31 feature extremely similar batteries performance. The Samsung Galaxy A31 takes way better pictures and videos than Galaxy A02s, and although they both have the same 1920x1080 (Full HD) video resolution and the same 30 fps video frame rate, the Samsung Galaxy A31 also has a way more mega-pixels camera and a larger diafragm aperture for better photography in low-light environments.
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