Compare phones
| Global Score | |
| 83.8 | 81.3 |
| Basic Information | |
| Xiaomi | Samsung |
| -- | Android 10 |
| 2018-04-03 | 2020-04-27 |
| 5.94 x 2.95 x 0.32 inches | 6.27 x 2.88 x 0.34 inches |
| 6.67 ounces | 6.53 ounces |
| Black and White | Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white |
| Aluminum and Ceramic | Plastic |
| Scratch-Resistant Glass | -- |
| $ 639.00 | -- |
| Display / Screen | |
| 6 inches | 6.4 inches |
| 2160 x 1080 pixels | 2400 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 402 pixels per inch | 411 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 845 SDM845 chipset | MediaTek Helio P65 MT6768 chipset |
| Kryo 385, 64-bit, 10 nm (Octa-Core 2800 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 630 GPU | Mali-G52 MC2 GPU |
| 9.63 | 9.09 |
| 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 | |
| 12.00 MP + 5.00 MP | 48.00 MP + 20.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| 0.39 inches (1/2.55") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | -- |
| 9.79 | 10.89 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3400mAh Li - Polymer Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.36 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | 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
The Xiaomi Mi Mix 2s is slightly better than the Galaxy A31, having a score of 83.8 against 81.3. Even though the Xiaomi Mi Mix 2s is incredibly older and just a little heavier than the Galaxy A31, it's construction is still a little thinner. Xiaomi Mi Mix 2s counts with a little faster processing unit than Samsung Galaxy A31, and although they both have the same number of cores, the Xiaomi Mi Mix 2s also has 4 GB more RAM memory.
Xiaomi Mi Mix 2s and Samsung Galaxy A31 feature extremely similar screens, although the Samsung Galaxy A31 also has a bit larger display, a slightly better resolution of 1080 x 2400 and a bit more pixels per inch in the display. Xiaomi Mi Mix 2s counts with more memory capacity to install applications and games or saving photos and videos than Galaxy A31, because although it has no slot for SD memory cards, it also counts with more internal storage capacity.
The Samsung Galaxy A31 features a superior camera than Xiaomi Mi Mix 2s, because although it has a tinier diafragm aperture which is not favorable for capturing photographs and video in low light environments, and they both have the same video quality and the same 30 fps video frame rates, the Samsung Galaxy A31 also counts with a way larger camera sensor capturing more light and vivid colors and a back-facing camera with a much better 48 megapixels resolution.
Galaxy A31 features a much better battery duration than Xiaomi Mi Mix 2s, because it has a 5000mAh battery size instead of 3400mAh.
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