Compare phones
| Global Score | |
| 76.1 | 88 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | Android 11, 10 |
| 2020-06-29 | 2020-08-06 |
| 6.61 x 3.02 x 0.32 inches | 6.27 x 2.93 x 0.37 inches |
| 6.81 ounces | 7.16 ounces |
| Black | Mirage black and Mirage blue |
| Plastic and Plastic | -- |
| -- | Scratch-Resistant Glass |
| $ 194.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.5 inches |
| 1600 x 720 pixels | 2400 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 270 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 7.3 | 8.1 |
| Performance | |
| Mediatek Helio P35 chipset | Samsung Exynos 9611 chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| PowerVR GE8320 GPU | Mali-G72 MP3 GPU |
| 9.27 | 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 | |
| 16.00 MP + 13.00 MP | 64.00 MP + 32.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| 0.33 inches (1/3.06") 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 |
| 9.35 | 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 | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 6000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 7.52 |
| 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 | FM Radio |
Comparison review
The Galaxy M31s is better than Galaxy A21, with a global score of 88 against 76.1. The Galaxy M31s is an a bit heavier and somewhat thicker device than the Galaxy A21. Both devices we compare here come with Android OS (Operating System), but Galaxy M31s has a more recent 11 version while Galaxy A21 has Android 10.
Samsung Galaxy M31s features just a bit better performance than Galaxy A21, and although they both have 8 processing cores, the Samsung Galaxy M31s also has a greater amount of RAM. The Galaxy M31s has a brighter display than Samsung Galaxy A21, and although they both have a screen with the same size, the Galaxy M31s also has more pixels per display inch and a much better 1080 x 2400px resolution.
The Galaxy M31s features a lot bigger storage capacity to install applications and games than Samsung Galaxy A21, and although they both have a SD memory card expansion slot that allows a maximum of 512 GB, the Galaxy M31s also has 96 GB more internal memory. Galaxy M31s features a way better camera than Galaxy A21, and although they both have the same diafragm aperture, the Galaxy M31s also has a much larger camera sensor providing a way better image quality, a much better video resolution and a camera with way more mega pixels.
Samsung Galaxy M31s counts with a much better battery lifetime than Galaxy A21, because it has 6000mAh of battery capacity against 4000mAh.
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