Compare phones
| Global Score | |
| 89 | 86.5 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11 | Android 11, 10 |
| 2021-08-10 | 2020-03-05 |
| 6.40 x 2.97 x 0.31 inches | 6.27 x 2.96 x 0.35 inches |
| 7.94 ounces | 6.74 ounces |
| Ceramic Black, Ceramic White and Shadow Gray | Black, Blue and Red |
| Aluminum and Ceramic | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.7 inches | 6.4 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| AMOLED | Super AMOLED |
| 393 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 888+ SM8350-AC chipset | Exynos 9611 chipset |
| Kryo 680 Prime, 64-bit, 5 nm (Octa-Core 3000 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 660 GPU | Mali-G72 MP3 GPU |
| 9.72 | 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 | |
| 108.00 MP + 20.00 MP | 64.00 MP + 32.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 24.00mm focal length | 26.00mm focal length |
| 0.75 inches (1/1.33") sensor | 0.59 inches (1/1.7") sensor |
| 7680 x 4320 (24 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (480 fps) (Full HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 13.75 | 12.1 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 4500mAh Li - Ion Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.32 | 7.52 |
| Other Features | |
| Bluetooth 5.2 | 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 Xiaomi Mi Mix 4 has a global score of 89, which is a bit better than Samsung Galaxy M31's global score of 86.5. Both phones in this comparison work with the same Android 11 operating system, so both should count with all the same operating system features. The Xiaomi Mi Mix 4 construction is newer and somewhat thinner than the Samsung Galaxy M31's, although it is somewhat heavier.
The Samsung Galaxy M31 counts with a bit better looking screen than Xiaomi Mi Mix 4, because although it has a bit smaller display and a bit worse resolution of 1080 x 2340px, it also counts with a little higher screen density. Galaxy M31 has a better memory for apps and games than Xiaomi Mi Mix 4, because although it has only 64 GB internal memory capacity, it also counts with a slot for external memory cards that allows up to 512 GB.
Xiaomi Mi Mix 4 has a bit superior processing unit than Galaxy M31, and although they both have the same number of cores, the Xiaomi Mi Mix 4 also has a higher amount of RAM. Galaxy M31 features superior battery duration than Xiaomi Mi Mix 4, because it has a 6000mAh battery capacity. Xiaomi Mi Mix 4 features a better camera than Galaxy M31, because although it has a smaller camera aperture which is not favorable for low light captures, it also counts with a back camera with a lot better resolution, a lot larger sensor capturing much higher quality photos and a much better video definition.
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