Compare phones
| Global Score | |
| 81.3 | 83.3 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 10 | Android 10, 9.0 Pie, 8.0 Oreo |
| 2020-04-27 | 2018-06-05 |
| 6.27 x 2.88 x 0.34 inches | 6.10 x 2.94 x 0.30 inches |
| 6.53 ounces | 6.17 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white | Black, Blue, Gold and White |
| Plastic | Glass (Corning Gorilla Glass 5) |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 6.2 inches |
| 2400 x 1080 pixels | 2248 x 1080 pixels |
| Super AMOLED | AMOLED |
| 411 pixels per inch | 402 pixels per inch |
| -- | 600 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 8.6 |
| Performance | |
| MediaTek Helio P65 MT6768 chipset | Qualcomm Snapdragon 845 SDM845 chipset |
| Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor | Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Mali-G52 MC2 GPU | Adreno 630 GPU |
| 9.09 | 9.63 |
| 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 + 20.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | 56.00mm focal length |
| 0.5 inches (1/2") sensor | 0.39 inches (1/2.55") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 10.89 | 9.9 |
| 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 | |
| 5000mAh Li - Polymer Battery | 3400mAh Li - Polymer 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 |
Comparison review
Xiaomi Mi 8 is slightly better than the Galaxy A31, getting a general score of 83.3 against 81.3. Although Xiaomi Mi 8 is older than Galaxy A31, it's body is thinner and just a little lighter. Both devices in this comparison have the same Android 10 OS (operating system), so you shouldn't see any differences regarding operating system features.
Xiaomi Mi 8 counts with just a bit better screen than Galaxy A31, although it has a bit smaller screen, a little bit worse 1080 x 2248 resolution and a bit less pixels per inch of screen. The Xiaomi Mi 8 has a quite bigger storage for applications and games than Galaxy A31, because although it has no slot for an external memory card, it also counts with 192 GB more internal storage capacity.
The Xiaomi Mi 8 counts with just a little better hardware performance than Samsung Galaxy A31, and although they both have a Octa-Core CPU, the Xiaomi Mi 8 also has a higher amount of RAM. The Samsung Galaxy A31 counts with a superior battery duration than Xiaomi Mi 8, because it has a 5000mAh battery size.
Galaxy A31 captures just a bit better pictures and videos than Xiaomi Mi 8, because although it has a smaller diafragm aperture which is not recommended for low light photos, and they both have the same 30 fps video frame rate and the same 1920x1080 (Full HD) video quality, the Galaxy A31 also counts with a camera with a lot higher resolution and a way bigger back-facing camera sensor taking more light and vivid colors.
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