Compare phones
| Global Score | |
| 88 | 79.8 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 11, 10, 9.0 Pie |
| 2020-08-06 | 2019-09-20 |
| 6.27 x 2.93 x 0.37 inches | 6.24 x 2.94 x 0.30 inches |
| 7.16 ounces | 5.86 ounces |
| Mirage black and Mirage blue | Prism crush black, Prism crush green, Prism crush violet and Prism crush white |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.5 inches | 6.4 inches |
| 2400 x 1080 pixels | 1560 x 720 pixels |
| Super AMOLED | Super AMOLED |
| 405 pixels per inch | 268 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 7.2 |
| Performance | |
| Samsung Exynos 9611 chipset | Samsung Exynos 7 Octa 7885 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | Mali-G71 MP2 GPU |
| 9.36 | 8.91 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 14.14 | 14.14 |
| Camera | |
| 64.00 MP + 32.00 MP | 25.00 MP + 16.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| 26.00mm focal length | 27.00mm 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 | 9.68 |
| 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 | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 5.92 |
| 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, Compass, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Samsung Galaxy M31s has a general score of 88, which is much better than Galaxy A30s's 79.8 general score. Both phones in this comparison review come with the same Android 11 OS (operating system), so you shouldn't perceive any difference in that aspect. The Samsung Galaxy M31s construction is newer than the Galaxy A30s's, but it's somewhat thicker and heavier.
The Galaxy M31s counts with just a bit better processing power than Galaxy A30s, and although they both have the same number of cores, the Galaxy M31s also has a higher amount of RAM. Galaxy M31s features a much better looking display than Samsung Galaxy A30s, because it has a much better 1080 x 2400 pixels resolution, a way higher pixels density and a little bigger screen.
The Samsung Galaxy M31s counts with a lot better camera than Galaxy A30s, because although it has a tinier camera aperture which is not nice for low-light photos and video, it also counts with a much more megapixels camera and a way higher (4K) video resolution. The Galaxy M31s and the Galaxy A30s both feature quite similar storage capacity to store more apps and games, they have a SD card slot that allows a maximum of 512 GB and exactly the same 128 GB internal memory.
The Galaxy M31s features a much better battery lifetime than Samsung Galaxy A30s, because it has a 6000mAh battery size instead of 4000mAh.
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