Compare phones
| Global Score | |
| 83.8 | 86.5 |
| Basic Information | |
| Xiaomi | Samsung |
| -- | Android 11, 10 |
| 2018-11-01 | 2020-03-05 |
| 6.22 x 2.94 x 0.33 inches | 6.27 x 2.96 x 0.35 inches |
| 7.69 ounces | 6.74 ounces |
| Black, Blue and Green | Black, Blue and Red |
| Aluminum and Ceramic | Plastic and Plastic |
| -- | 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 |
| 600 cd/m2 brightness | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.6 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 845 SDM845 chipset | 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 | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 13.3 | 11.74 |
| 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 | 1920 x 1080 (240 fps) (Full 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 Li - Polymer 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 Samsung Galaxy M31 has a score of 86.5, which is just a bit better than Xiaomi Mi Mix 3's 83.8 overall score. Samsung Galaxy M31 is a newer and somewhat lighter phone than Xiaomi Mi Mix 3, although it is also a little bit thicker. The Xiaomi Mi Mix 3 has a bit more powerful processing unit than Galaxy M31, and although they both have 8 cpu cores, the Xiaomi Mi Mix 3 also has 2 GB more RAM.
The Xiaomi Mi Mix 3 has a little sharper display than Galaxy M31, and although they both have a display with the same size, the same exact resolution of 1080 x 2340 and a greater pixel number per screen inch, the Xiaomi Mi Mix 3 also has a brighter display. Xiaomi Mi Mix 3 features a better memory to store more apps and games than Galaxy M31, because although it has no external memory slot, it also counts with 256 GB internal storage capacity.
The Samsung Galaxy M31 takes much better photographs and videos than Xiaomi Mi Mix 3, because although it has lower 30 frames per second video frame rates, and they both have a F1.8 aperture and the same 3840x2160 (4K) video resolution, the Samsung Galaxy M31 also counts with a back facing camera with lot more MP and a much bigger back-facing camera sensor taking way better quality videos and photos.
The Galaxy M31 counts with a superior battery life than Xiaomi Mi Mix 3, because it has a 6000mAh battery capacity.
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