Compare phones
| Global Score | |
| 77.7 | 88 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | Android 11, 10 |
| 2020-06-19 | 2020-08-06 |
| 6.44 x 2.96 x 0.35 inches | 6.27 x 2.93 x 0.37 inches |
| 6.77 ounces | 7.16 ounces |
| Black, Blue, Red and White | Mirage black and Mirage blue |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.5 inches | 6.5 inches |
| 1600 x 720 pixels | 2400 x 1080 pixels |
| TFT | Super AMOLED |
| 270 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 7.2 | 8.1 |
| Performance | |
| Samsung Exynos 850 chipset | Samsung Exynos 9611 chipset |
| Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| Mali-G76 GPU | Mali-G72 MP3 GPU |
| 9.09 | 9.36 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 9.84 | 14.14 |
| Camera | |
| 48.00 MP + 13.00 MP | 64.00 MP + 32.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") 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 |
| 10.78 | 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, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Galaxy M31s is much better than Samsung Galaxy A21s, with an 88 score against 77.7. Galaxy M31s's construction is just a little bit thicker and a little heavier than Samsung Galaxy A21s. These devices use Android OS (Operating System), but the Galaxy M31s has a more recent 11 version while Samsung Galaxy A21s has Android 10.
Samsung Galaxy M31s features a bit better hardware performance than Galaxy A21s, and although they both have the same number of cores, the Samsung Galaxy M31s also has a larger amount of RAM memory. The Samsung Galaxy M31s features a much better screen than Samsung Galaxy A21s, and although they both have a screen with the same size, the Samsung Galaxy M31s also has a higher pixels density and a lot better 1080 x 2400 resolution.
Galaxy M31s features a lot bigger memory capacity for games and applications than Galaxy A21s, and although they both have a slot for an external memory card that holds up to 512 GB, the Galaxy M31s also has 128 GB internal storage capacity. Samsung Galaxy M31s features better battery duration than Samsung Galaxy A21s, because it has a 20% greater battery capacity.
Samsung Galaxy M31s shoots much better photos and videos than Samsung Galaxy A21s, because it has a larger camera aperture for better low-light captures, a much higher 3840x2160 video quality, a back camera with a much better 64 mega pixels resolution and a larger back camera sensor capturing higher quality videos and photographs.
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