Compare phones
| Global Score | |
| 78.9 | 88 |
| Basic Information | |
| Samsung | Samsung |
| Android 10, 9.0 Pie, 8.1 Oreo | Android 11, 10 |
| 2019-02-05 | 2020-08-06 |
| 6.16 x 2.93 x 0.35 inches | 6.27 x 2.93 x 0.37 inches |
| 6.56 ounces | 7.16 ounces |
| Charcoal black and Ocean blue | Mirage black and Mirage blue |
| Plastic and Plastic | -- |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.3 inches | 6.5 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 409 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8.1 |
| Performance | |
| Samsung Exynos 7 Octa 7904 chipset | Samsung Exynos 9611 chipset |
| ARM Cortex-A73 and ARM 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 |
| 4 GB RAM | 6 GB RAM |
| Mali-G71 MP2 GPU | Mali-G72 MP3 GPU |
| 8.91 | 9.36 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 11.74 | 14.14 |
| Camera | |
| 13.00 MP + 8.00 MP | 64.00 MP + 32.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 12.00mm focal length | 26.00mm focal length |
| 0.32 inches (1/3.1") sensor | 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 |
| 9.02 | 12.1 |
| 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, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 6000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Samsung Galaxy M31s is much better than Galaxy M20, having a score of 88 against 78.9. Even though Samsung Galaxy M31s is newer than Galaxy M20, it is a little bit heavier and a little bit thicker. Both of these phones use Android OS (operating system), but Samsung Galaxy M31s has the newer 11 version and Galaxy M20 has Android 10 version.
Galaxy M31s features a bit more vivid screen than Samsung Galaxy M20, because although it has a just a little lower display pixel density, it also counts with a bit higher resolution of 1080 x 2400 pixels and a quite larger screen. The Galaxy M31s counts with a much bigger memory for games and applications than Galaxy M20, and although they both have a slot for external memory cards that admits a maximum of 512 GB, the Galaxy M31s also has 128 GB internal memory capacity.
The Samsung Galaxy M31s has a little faster processing unit than Galaxy M20, and although they both have a Octa-Core processing unit, the Samsung Galaxy M31s also has a larger amount of RAM memory. The Galaxy M31s counts with a lot better camera than Galaxy M20, because it has a way higher (4K) video quality, a camera with a way higher 64 MP resolution, a much bigger sensor shooting lot higher quality videos and pictures and a bigger aperture to take better images and video in low light situations.
The Galaxy M31s features better battery life than Samsung Galaxy M20, because it has 6000mAh of battery capacity.
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