Compare phones
| Global Score | |
| 88 | 80 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 10 |
| 2020-08-06 | 2021-03-18 |
| 6.27 x 2.93 x 0.37 inches | 6.46 x 2.99 x 0.38 inches |
| 7.16 ounces | 7.80 ounces |
| Mirage black and Mirage blue | Black, blue and white |
| -- | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.5 inches | 6.5 inches |
| 2400 x 1080 pixels | 1600 x 720 pixels |
| Super AMOLED | PLS |
| 405 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 7.2 |
| Performance | |
| Samsung Exynos 9611 chipset | Samsung Exynos 850 S5E3830 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Cortex-A55, 64-bit, 8 nm (Octa-Core 2000 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | Mali-G52 MP1 GPU |
| 9.36 | 9.09 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 1 TB) external memory slot |
| 14.14 | 13.02 |
| Camera | |
| 64.00 MP + 32.00 MP | 48.00 MP + 8.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 26.00mm focal length | -- |
| 0.59 inches (1/1.7") sensor | -- |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | -- |
| 12.1 | 10.23 |
| 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 |
| 6.7 | 6.7 |
| Battery Life | |
| 6000mAh Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Galaxy M31s is a little bit better than Samsung Galaxy M12, with a global score of 88 against 80. The Galaxy M31s is a just a bit lighter and just a little bit thinner device than Samsung Galaxy M12, although both were only released 7 months apart. Both of these devices include Android OS (operating system), but the Galaxy M31s has the newer 11 version and Samsung Galaxy M12 has Android 10.
Samsung Galaxy M31s has a bit better processing power than Galaxy M12, and although they both have the same number of cores, the Samsung Galaxy M31s also has a larger amount of RAM. The Samsung Galaxy M31s counts with a much better display than Galaxy M12, and although they both have a screen of the same size, the Samsung Galaxy M31s also has a higher pixels count in each display inch and a much higher 1080 x 2400 pixels resolution.
The Galaxy M31s counts with a bit bigger storage for applications, games, photos and videos than Galaxy M12, because although it has an external SD slot that holds 512 GB smaller, it also counts with 64 GB more internal storage. Galaxy M12's battery duration is just as good as the Galaxy M31s one. Samsung Galaxy M31s has a much better camera than Samsung Galaxy M12, because it has a much higher 3840x2160 video resolution, a back facing camera with lot more megapixels and a bigger aperture to take better captures in poorly lited situations.
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