Compare phones
| Global Score | |
| 74.5 | 88 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 11, 10 |
| 2021-01-04 | 2020-08-06 |
| 6.46 x 2.99 x 0.36 inches | 6.27 x 2.93 x 0.37 inches |
| 6.91 ounces | 7.16 ounces |
| Black, Blue and White | Mirage black and Mirage blue |
| Plastic and Plastic | -- |
| -- | Scratch-Resistant Glass |
| $ 170.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.5 inches |
| 1600 x 720 pixels | 2400 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 270 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 7.2 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 450 SDM450 chipset | Samsung Exynos 9611 chipset |
| Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| Adreno 506 GPU | Mali-G72 MP3 GPU |
| 8.91 | 9.36 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 1 TB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 11.12 | 14.14 |
| Camera | |
| 13.00 MP + 5.00 MP | 64.00 MP + 32.00 MP |
| f/2.20 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| -- | 0.59 inches (1/1.7") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (480 fps) (HD) slow motion video |
| 8.8 | 12.1 |
| 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 | 6000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 7.52 |
| 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 |
| -- | FM Radio |
Comparison review
The Galaxy M31s has an overall score of 88, which is much better than Galaxy A02s's 74.5 global score. Even being the best cellphone in this comparison, the Galaxy M31s is an a little bit heavier and just a little thicker cellphone than the Galaxy A02s. Both of these devices use the same Android 11 OS, so you shouldn't notice any difference regarding that.
The Galaxy M31s features a bit superior processing unit than Galaxy A02s, and although they both have a Octa-Core CPU, the Galaxy M31s also has 3 GB more RAM memory. The Galaxy M31s counts with a more vivid display than Samsung Galaxy A02s, and although they both have a display of the same size, the Galaxy M31s also has a much higher resolution of 1080 x 2400 and a better pixel count per inch of screen.
The Galaxy M31s has a very superior memory to install applications and games or saving photos and videos than Galaxy A02s, because although it has a slot for external memory cards that supports 512 GB smaller, it also counts with 128 GB internal storage capacity. The Galaxy M31s shoots much clearer videos and photos than Galaxy A02s, because it has a bigger aperture, a lot higher 3840x2160 (4K) video definition and a camera in the back with lot more megapixels.
Galaxy M31s has longer battery duration than Samsung Galaxy A02s, because it has a 6000mAh battery capacity.
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