Compare phones
| Global Score | |
| 88 | 87 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 11, 10 |
| 2020-08-06 | 2020-11-06 |
| 6.27 x 2.93 x 0.37 inches | 6.47 x 2.99 x 0.34 inches |
| 7.16 ounces | 6.81 ounces |
| Mirage black and Mirage blue | Prism Dot black, Prism Dot grey and Prism Dot white |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.5 inches | 6.6 inches |
| 2400 x 1080 pixels | 1600 x 720 pixels |
| Super AMOLED | Super AMOLED |
| 405 pixels per inch | 266 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 7.2 |
| Performance | |
| Samsung Exynos 9611 chipset | Qualcomm Snapdragon 750G SM7225 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 570, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | Adreno 619 GPU |
| 9.36 | 9.18 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 1000 GB) external memory slot |
| 14.14 | 15.38 |
| Camera | |
| 64.00 MP + 32.00 MP | 48.00 MP + 20.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.59 inches (1/1.7") sensor | -- |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 12.1 | 11.11 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 6000mAh Battery | 5000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Galaxy M31s has an overall score of 88, which is slightly better than the Samsung Galaxy A42's 87 general score. The Galaxy M31s construction is a bit heavier and a little thicker than the Samsung Galaxy A42. Both of these phones include the same Android 11 OS (operating system). Samsung Galaxy M31s counts with a sharper screen than Samsung Galaxy A42, because although it has a quite smaller display, it also counts with a much better resolution of 1080 x 2400 and way more pixels per screen inch.
Samsung Galaxy M31s counts with a bit more powerful processor than Samsung Galaxy A42, and although they both have 8 cpu cores, the Samsung Galaxy M31s also has more RAM. Galaxy M31s features just a bit better camera than Galaxy A42, and although they both have the same video resolution, the same 30 fps video frame rates and a F1.8 camera aperture, the Galaxy M31s also has a camera with much more MP.
The Galaxy A42 has slightly more memory capacity for applications and games than Samsung Galaxy M31s, and although they both have the same 128 GB internal storage capacity, the Galaxy A42 also has an external memory card slot that admits up to 1000 GB. The Galaxy M31s has superior battery performance than Samsung Galaxy A42, because it has a 6000mAh battery capacity.
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