Compare phones
| Global Score | |
| 86.5 | 83.8 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | -- |
| 2020-03-05 | 2018-11-01 |
| 6.27 x 2.96 x 0.35 inches | 6.22 x 2.94 x 0.33 inches |
| 6.74 ounces | 7.69 ounces |
| Black, Blue and Red | Black, Blue and Green |
| Plastic and Plastic | Aluminum and Ceramic |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.4 inches | 6.4 inches |
| 2340 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 403 pixels per inch | 403 pixels per inch |
| 420 cd/m2 brightness | 600 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.4 | 8.6 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 845 SDM845 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor |
| 6 GB RAM | 8 GB RAM |
| Mali-G72 MP3 GPU | Adreno 630 GPU |
| 9.36 | 9.63 |
| Storage | |
| 64 GB internal memory | 256 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 13.3 |
| Camera | |
| 64.00 MP + 32.00 MP | 12.20 MP + 24.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.59 inches (1/1.7") sensor | 0.39 inches (1/2.55") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 12.1 | 10.34 |
| 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 and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.3 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 3200mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 7.52 | 5.2 |
| 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 M31 is a bit better than Xiaomi Mi Mix 3, with an 86.5 score against 83.8. Although the Galaxy M31 is a bit thicker than the Xiaomi Mi Mix 3, it's somewhat lighter and also newer. Xiaomi Mi Mix 3 features a bit more powerful processor than Galaxy M31, and although they both have the same number of cores, the Xiaomi Mi Mix 3 also has more RAM.
The Xiaomi Mi Mix 3 has a bit sharper screen than Samsung Galaxy M31, and although they both have the same display density, a display with the same size and an equal 1080 x 2340 pixels resolution, the Xiaomi Mi Mix 3 also has a brighter screen. Xiaomi Mi Mix 3 has a greater storage to install applications and games or saving photos and videos than Samsung Galaxy M31, because although it has no SD memory slot, it also counts with 256 GB internal memory.
Samsung Galaxy M31 counts with a very superior battery performance than Xiaomi Mi Mix 3, because it has a 6000mAh battery size instead of 3200mAh. The Galaxy M31 captures better photos and videos than Xiaomi Mi Mix 3, because although it has worse 30 fps video frame rates, and they both have the same 3840x2160 video resolution and a F1.8 diafragm aperture, the Galaxy M31 also counts with a way better resolution camera in the back and a way bigger sensor shooting much better quality videos and pictures.
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