Compare phones
| Global Score | |
| 83.8 | 88 |
| Basic Information | |
| Xiaomi | Samsung |
| -- | Android 11, 10 |
| 2018-11-01 | 2020-08-06 |
| 6.22 x 2.94 x 0.33 inches | 6.27 x 2.93 x 0.37 inches |
| 7.69 ounces | 7.16 ounces |
| Black, Blue and Green | Mirage black and Mirage blue |
| Aluminum and Ceramic | -- |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 6.5 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 403 pixels per inch | 405 pixels per inch |
| 600 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.6 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 845 SDM845 chipset | Samsung Exynos 9611 chipset |
| Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 6 GB RAM |
| Adreno 630 GPU | Mali-G72 MP3 GPU |
| 9.63 | 9.36 |
| Storage | |
| 256 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 13.3 | 14.14 |
| Camera | |
| 12.20 MP + 24.00 MP | 64.00 MP + 32.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| 0.39 inches (1/2.55") sensor | 0.59 inches (1/1.7") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (960 fps) (Full HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 10.34 | 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 | |
| 3200mAh Li - Polymer Battery | 6000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.2 | 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 |
Comparison review
The Galaxy M31s is a little bit better than Xiaomi Mi Mix 3, getting a general score of 88 against 83.8. The Galaxy M31s construction is newer and just a little lighter than the Xiaomi Mi Mix 3's, although it is also thicker. Xiaomi Mi Mix 3 counts with a bit better display than Galaxy M31s, although it has a just a bit worse display pixels density, a little bit worse resolution of 1080 x 2340px and a quite smaller display.
The Xiaomi Mi Mix 3 features a bit better processor than Samsung Galaxy M31s, and although they both have the same number of cores, the Xiaomi Mi Mix 3 also has more RAM memory. The Galaxy M31s features a better camera than Xiaomi Mi Mix 3, because although it has worse 30 frames per second video frame rates, and they both have the same video definition and a F1.8 aperture, the Galaxy M31s also counts with a way higher 64 MP resolution back-facing camera and a lot larger back camera sensor providing a lot better image quality.
The Samsung Galaxy M31s counts with a bit more storage capacity for games and applications than Xiaomi Mi Mix 3, because although it has just 128 GB internal storage, it also counts with an external memory card slot that holds up to 512 GB. Galaxy M31s has a really longer battery lifetime than Xiaomi Mi Mix 3, because it has an 88% bigger battery capacity.
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