Compare phones
| Global Score | |
| 89 | 81.3 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11 | Android 10 |
| 2021-08-10 | 2020-04-27 |
| 6.40 x 2.97 x 0.31 inches | 6.27 x 2.88 x 0.34 inches |
| 7.94 ounces | 6.53 ounces |
| Ceramic Black, Ceramic White and Shadow Gray | Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white |
| Aluminum and Ceramic | Plastic |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.7 inches | 6.4 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| AMOLED | Super AMOLED |
| 393 pixels per inch | 411 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 888+ SM8350-AC chipset | MediaTek Helio P65 MT6768 chipset |
| Kryo 680 Prime, 64-bit, 5 nm (Octa-Core 3000 MHz) processor | Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 660 GPU | Mali-G52 MC2 GPU |
| 9.72 | 9.09 |
| 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 | 48.00 MP + 20.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| 24.00mm focal length | 26.00mm focal length |
| 0.75 inches (1/1.33") sensor | 0.5 inches (1/2") sensor |
| 7680 x 4320 (24 fps) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (480 fps) (Full HD) slow motion video | -- |
| 13.75 | 10.89 |
| 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 | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.32 | 6.8 |
| 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 |
Comparison review
Xiaomi Mi Mix 4 has a global score of 89, which is just a bit better than Samsung Galaxy A31's global score of 81.3. Although the Xiaomi Mi Mix 4 is somewhat heavier than Samsung Galaxy A31, it's a bit thinner and newer. Both phones in our current comparison come with Android OS (Operating System), but Xiaomi Mi Mix 4 has the newer 11 version and Samsung Galaxy A31 has Android 10 version.
The Xiaomi Mi Mix 4 features a bit more powerful processor than Galaxy A31, and although they both have a Octa-Core processing unit, the Xiaomi Mi Mix 4 also has a greater amount of RAM memory. Xiaomi Mi Mix 4 and Galaxy A31 both feature very similar screens, because although the Galaxy A31 has a bit smaller screen, and they both have an equal resolution of 1080 x 2400, it also counts with a quite better pixel density.
The Samsung Galaxy A31 counts with a bigger memory capacity to install games and applications than Xiaomi Mi Mix 4, because although it has less internal memory capacity, it also counts with a slot for an external memory card that holds a maximum of 512 GB. Galaxy A31 features a bit better battery performance than Xiaomi Mi Mix 4, because it has 5000mAh of battery capacity instead of 4500mAh.
The Xiaomi Mi Mix 4 captures greater videos and photos than Galaxy A31, because it has a lot larger sensor taking lot better quality videos and photos, a much better 7680x4320 video definition, a larger aperture for better captures in poorly lited situations and a way better 108 MP resolution back-facing camera.
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