Compare phones
| Global Score | |
| 76.2 | 86.5 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 6.0 Marshmallow | Android 11, 10 |
| 2016-11-04 | 2020-03-05 |
| 6.25 x 3.22 x 0.31 inches | 6.27 x 2.96 x 0.35 inches |
| 7.37 ounces | 6.74 ounces |
| Black and White | Black, Blue and Red |
| Ceramic | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| $ 590.00 | -- |
| Display / Screen | |
| 6.4 inches | 6.4 inches |
| 2040 x 1080 pixels | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 361 pixels per inch | 403 pixels per inch |
| 500 cd/m2 brightness | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.3 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 821 MSM8996 Pro chipset | Exynos 9611 chipset |
| Kryo, 64-bit (Quad-Core 2340 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Adreno 530 GPU | Mali-G72 MP3 GPU |
| 9 | 9.36 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 11.74 |
| Camera | |
| 16.00 MP + 5.00 MP | 64.00 MP + 32.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| 0.33 inches (1/3.06") 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 | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 9.79 | 12.1 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G) and HSPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6 | 6.7 |
| Battery Life | |
| 4400mAh Li - Ion Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.24 | 7.52 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Galaxy M31 is better than Xiaomi Mi MIX, getting a score of 86.5 against 76.2. Both of these devices use Android OS (operating system), but the Galaxy M31 has the previous 11 version and Xiaomi Mi MIX has Android 6.0 Marshmallow. Galaxy M31's body is extremely newer and just a bit lighter than Xiaomi Mi MIX's, although it is somewhat thicker.
The Galaxy M31 has a little sharper screen than Xiaomi Mi MIX, because although it has a bit opaque screen, and they both have a same size screen, the Galaxy M31 also counts with a slightly better resolution of 1080 x 2340px and a bit higher quantity of pixels per inch in the display. Galaxy M31 has a better memory capacity to store more apps and games than Xiaomi Mi MIX, because although it has just 64 GB internal storage, it also counts with a slot for external memory cards that allows up to 512 GB.
The Galaxy M31 features a bit faster processor than Xiaomi Mi MIX, because it has 4 more CPU cores (although they are slower) and more RAM memory. The Galaxy M31 has a way better battery life than Xiaomi Mi MIX, because it has a 6000mAh battery capacity instead of 4400mAh. Galaxy M31 has a much better camera than Xiaomi Mi MIX, and although they both have the same 3840x2160 (4K) video resolution and the same 30 fps video frame rate, the Galaxy M31 also has a larger camera aperture for better images in low light environments, a way higher resolution back-facing camera and a much larger back-facing camera sensor.
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