Compare phones
| Global Score | |
| 81.3 | 79.8 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 10 | Android 10 |
| 2020-04-27 | 2021-04-16 |
| 6.27 x 2.88 x 0.34 inches | 6.82 x 5.25 x 0.30 inches |
| 6.53 ounces | 11.18 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white | Black and Ceramic |
| Plastic | Aluminum and Glass (Corning Gorilla Glass 5) |
| Display / Screen | |
| 6.4 inches | 8 inches |
| 2400 x 1080 pixels | 2480 x 1860 pixels |
| Super AMOLED | AMOLED |
| 411 pixels per inch | 388 pixels per inch |
| -- | 900 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 8.7 |
| Performance | |
| MediaTek Helio P65 MT6768 chipset | Qualcomm Snapdragon 888 SM8350 (5 nm) chipset |
| Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor | processor |
| 4 GB RAM | 12 GB RAM |
| Mali-G52 MC2 GPU | Adreno 660 GPU |
| 9.09 | 6.21 |
| 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 | 108.00 MP + 20.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | 80.00mm focal length |
| 0.5 inches (1/2") sensor | -- |
| 1920 x 1080 (30 fps) (Full HD) video resolution | -- |
| 10.89 | 10.45 |
| 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 | |
| 5000mAh Li - Polymer Battery | 5020mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | -- |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Galaxy A31 has an overall score of 81.3, which is a bit better than the Xiaomi Mi Mix Fold's score of 79.8. The Galaxy A31 design is much lighter than Xiaomi Mi Mix Fold, but it is thicker and was released only 12 months before. These devices include the same Android 10 OS. Xiaomi Mi Mix Fold has a bit sharper display than Galaxy A31, because although it has a just a little lower pixel density, it also counts with a larger screen and a higher 1860 x 2480 resolution.
Galaxy A31 has a much greater hardware performance than Xiaomi Mi Mix Fold, although it has a lower amount of RAM, they both have 8 cores. Galaxy A31 shoots a little bit better photos and videos than Xiaomi Mi Mix Fold, although it has a back camera with a much worse resolution and a smaller diafragm aperture which is not favorable for low light captures and videos.
The Xiaomi Mi Mix Fold counts with a bigger storage for applications, games, photos and videos than Samsung Galaxy A31, because although it has no SD card slot, it also counts with 256 GB internal storage capacity. The Xiaomi Mi Mix Fold and Galaxy A31 feature quite similar battery performance, although the Xiaomi Mi Mix Fold also has 5020mAh of battery capacity.
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