Compare phones
| Global Score | |
| 78 | 88 |
| Basic Information | |
| Xiaomi | Samsung |
| -- | Android 11, 10 |
| 2018-07-27 | 2020-08-06 |
| 6.25 x 2.97 x 0.29 inches | 6.27 x 2.93 x 0.37 inches |
| 5.93 ounces | 7.16 ounces |
| Black, Blue, Gold, Pink and Red | Mirage black and Mirage blue |
| Aluminum | -- |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6 inches | 6.5 inches |
| 2160 x 1080 pixels | 2400 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 402 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 660 SDM660 chipset | Samsung Exynos 9611 chipset |
| Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 6 GB RAM | 6 GB RAM |
| Adreno 512 GPU | Mali-G72 MP3 GPU |
| 9.27 | 9.36 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 14.14 |
| Camera | |
| 12.00 MP + 20.00 MP | 64.00 MP + 32.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| 0.34 inches (1/2.9") sensor | 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 (120 fps) (HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 9.79 | 12.1 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.3 | 6.7 |
| Battery Life | |
| 3010mAh Li - Polymer Battery | 6000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 4.96 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Infra-red port | -- |
| 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 has a general score of 88, which is better than Xiaomi Mi A2's 78 general score. Galaxy M31s is a a lot newer cellphone than the Xiaomi Mi A2, but it's heavier and a lot thicker. The Samsung Galaxy M31s has just a little better processing power than Xiaomi Mi A2. Both have the same number of cores and 6 GB of RAM.
Galaxy M31s has a display that's just as good as the Xiaomi Mi A2 one, although the Galaxy M31s also has a little bigger display, a just a little better pixels density and a bit higher 1080 x 2400px resolution. Galaxy M31s has a lot better camera than Xiaomi Mi A2, and although they both have the same video frame rate, the same diafragm aperture and the same video quality, the Galaxy M31s also has a back facing camera with a lot higher 64 megapixels resolution and a much bigger camera sensor shooting way better quality videos and photos.
The Galaxy M31s features a very superior storage capacity to install games and applications than Xiaomi Mi A2, and although they both have exactly the same internal storage, the Galaxy M31s also has a SD extension slot that admits up to 512 GB. The Galaxy M31s counts with a superior battery performance than Xiaomi Mi A2, because it has 6000mAh of battery capacity against 3010mAh.
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