Compare phones
| Global Score | |
| 86.5 | 89 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | Android 11 |
| 2020-03-05 | 2021-08-10 |
| 6.27 x 2.96 x 0.35 inches | 6.40 x 2.97 x 0.31 inches |
| 6.74 ounces | 7.94 ounces |
| Black, Blue and Red | Ceramic Black, Ceramic White and Shadow Gray |
| Plastic and Plastic | Aluminum and Ceramic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 6.7 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | AMOLED |
| 403 pixels per inch | 393 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8.1 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 888+ SM8350-AC chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 680 Prime, 64-bit, 5 nm (Octa-Core 3000 MHz) processor |
| 6 GB RAM | 8 GB RAM |
| Mali-G72 MP3 GPU | Adreno 660 GPU |
| 9.36 | 9.72 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 10.1 |
| Camera | |
| 64.00 MP + 32.00 MP | 108.00 MP + 20.00 MP |
| f/1.80 aperture | f/1.90 aperture |
| 26.00mm focal length | 24.00mm focal length |
| 0.59 inches (1/1.7") sensor | 0.75 inches (1/1.33") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1920 x 1080 (480 fps) (Full HD) slow motion video |
| 12.1 | 13.75 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 10.6 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 4500mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 7.52 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Xiaomi Mi Mix 4 has an overall score of 89, which is a little bit better than the Galaxy M31's score of 86.5. Xiaomi Mi Mix 4's design is newer and somewhat thinner, but also heavier than the Galaxy M31. Both devices in our current comparison use the same Android 11 OS (Operating System), so you shouldn't see any differences in that aspect.
Galaxy M31 features a little sharper screen than Xiaomi Mi Mix 4, because although it has a little bit smaller display and a bit lower resolution of 1080 x 2340px, it also counts with a quite higher pixel count per display inch. The Galaxy M31 features a greater 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 SD card slot that holds a maximum of 512 GB.
The Xiaomi Mi Mix 4 has a bit better processing unit than Samsung Galaxy M31, and although they both have 8 cores, the Xiaomi Mi Mix 4 also has a larger amount of RAM memory. Galaxy M31 features longer battery performance than Xiaomi Mi Mix 4, because it has a 33% greater battery size. Xiaomi Mi Mix 4 shoots much better videos and photos than Galaxy M31, because although it has a tinier camera aperture which is not nice for taking pictures in low-light environments, it also counts with a much better video quality, a way bigger sensor and a much better 108 megapixels resolution back camera.
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