Compare phones
| Global Score | |
| 81.3 | 81.2 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 10 | -- |
| 2020-04-27 | 2017-10-10 |
| 6.27 x 2.88 x 0.34 inches | 5.98 x 2.97 x 0.30 inches |
| 6.53 ounces | 6.53 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white | Black |
| Plastic | Aluminum and Ceramic |
| -- | Scratch-Resistant Glass |
| -- | $ 614.00 |
| Display / Screen | |
| 6.4 inches | 6 inches |
| 2400 x 1080 pixels | 2160 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 411 pixels per inch | 402 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.1 |
| Performance | |
| MediaTek Helio P65 MT6768 chipset | Qualcomm Snapdragon 835 MSM8998 chipset |
| Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor | Kryo 280, 64-bit, 10 nm (Octa-Core 2450 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Mali-G52 MC2 GPU | Adreno 540 GPU |
| 9.09 | 9.45 |
| Storage | |
| 64 GB internal memory | 256 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 13.3 |
| Camera | |
| 48.00 MP + 20.00 MP | 12.00 MP + 5.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") sensor | 0.34 inches (1/2.9") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (120 fps) (HD) slow motion video |
| 10.89 | 9.57 |
| 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 and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.3 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 3400mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 5.36 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| 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 Samsung Galaxy A31 is a bit better than the Xiaomi Mi MIX 2, having a score of 81.3 against 81.2. Samsung Galaxy A31's construction has the same weight than Xiaomi Mi MIX 2, but it's thicker. Xiaomi Mi MIX 2 and Galaxy A31 feature very similar displays, although the Xiaomi Mi MIX 2 has a little lower 1080 x 2160 resolution, a quite smaller display and a little bit worse display density.
The Xiaomi Mi MIX 2 counts with a bit faster CPU than Samsung Galaxy A31, and although they both have 8 cpu cores, the Xiaomi Mi MIX 2 also has more RAM memory. Xiaomi Mi MIX 2 has more storage capacity to store more games and applications than Galaxy A31, because although it has no SD memory card expansion slot, it also counts with 256 GB internal memory capacity.
Samsung Galaxy A31 counts with a superior camera than Xiaomi Mi MIX 2, and although they both have the same video resolution, the same video frame rate and a same size aperture, the Samsung Galaxy A31 also has a much more mega pixels camera and a much bigger back-facing camera sensor shooting lot better quality photographs.
The Galaxy A31 has a superior battery performance than Xiaomi Mi MIX 2, because it has a 47% more battery capacity.
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