Compare phones
| Global Score | |
| 89 | 88 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11 | Android 11, 10 |
| 2021-08-10 | 2020-08-06 |
| 6.40 x 2.97 x 0.31 inches | 6.27 x 2.93 x 0.37 inches |
| 7.94 ounces | 7.16 ounces |
| Ceramic Black, Ceramic White and Shadow Gray | Mirage black and Mirage blue |
| Aluminum and Ceramic | -- |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.7 inches | 6.5 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| AMOLED | Super AMOLED |
| 393 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 888+ SM8350-AC chipset | Samsung 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 | 128 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 14.14 |
| 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 | 1280 x 720 (480 fps) (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 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
Xiaomi Mi Mix 4 has an overall score of 89, which is a bit better than Galaxy M31s's 88 score. Although Xiaomi Mi Mix 4 is a little bit heavier than the Galaxy M31s, it's thinner and also newer. Both devices in this comparison have the same Android 11 operating system. The Galaxy M31s and Xiaomi Mi Mix 4 feature really similar displays, because although the Galaxy M31s has a little smaller screen, and they both have exactly the same resolution of 1080 x 2400, it also counts with a just a bit better quantity of pixels in each inch in the display.
Xiaomi Mi Mix 4 features just a little better performance than Samsung Galaxy M31s, and although they both have a Octa-Core processing unit, the Xiaomi Mi Mix 4 also has 2 GB more RAM memory. The Xiaomi Mi Mix 4 shoots much clearer photographs and videos than Galaxy M31s, because although it has a tinier aperture which is not so good for low-light captures and video, it also counts with a lot better 108 MP resolution camera in the back, a much larger camera sensor taking lot better quality photos and a lot higher video quality.
Galaxy M31s features a much bigger storage for games and applications than Xiaomi Mi Mix 4, and although they both have the same 128 GB internal storage, the Galaxy M31s also has a SD memory card expansion slot that allows a maximum of 512 GB. Samsung Galaxy M31s has better battery duration than Xiaomi Mi Mix 4, because it has a 33 percent bigger battery capacity.
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