Compare phones
| Global Score | |
| 75.3 | 81.3 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 8.1 Oreo, 7.1 Nougat | Android 10 |
| 2017-09-12 | 2020-04-27 |
| 6.01 x 2.91 x 0.30 inches | 6.27 x 2.88 x 0.34 inches |
| 5.75 ounces | 6.53 ounces |
| Black and Blue | Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white |
| Aluminum and Glass | Plastic |
| $ 444.00 | -- |
| Display / Screen | |
| 5.5 inches | 6.4 inches |
| 1920 x 1080 pixels (Full HD) | 2400 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 401 pixels per inch | 411 pixels per inch |
| 550 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.5 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 660 chipset | MediaTek Helio P65 MT6768 chipset |
| Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor | Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Adreno 512 GPU | Mali-G52 MC2 GPU |
| 9.27 | 9.09 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 11.74 |
| Camera | |
| 12.00 MP + 16.00 MP | 48.00 MP + 20.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 27.00mm focal length | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | -- |
| 9.57 | 10.89 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| -- | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 3 | 6.7 |
| Battery Life | |
| 3500mAh Li - Ion Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.44 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| 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 Samsung Galaxy A31 is just a bit better than Xiaomi Mi Note 3, getting a general score of 81.3 against 75.3. Samsung Galaxy A31 is a much newer device than the Xiaomi Mi Note 3, but it's thicker and heavier. These devices have Android OS (operating system), but the Samsung Galaxy A31 has 10 version and Xiaomi Mi Note 3 has Android 8.1 Oreo.
The Xiaomi Mi Note 3 has a bit faster CPU than Galaxy A31, and although they both have a Octa-Core processing unit, the Xiaomi Mi Note 3 also has 2 GB more RAM. Xiaomi Mi Note 3 has just a bit better display than Samsung Galaxy A31, although it has a little lower 1080 x 1920 resolution, a little bit smaller display and a little inferior pixels quantity per inch in the screen.
The Galaxy A31 captures much better photographs and videos than Xiaomi Mi Note 3, because although it has a smaller diafragm aperture which is not so good for low light photography, and they both have the same video definition and the same 30 frames per second video frame rates, the Galaxy A31 also counts with a much more mega-pixels back camera.
The Galaxy A31 features a greater storage to store more apps and games than Xiaomi Mi Note 3, because although it has only 64 GB internal memory capacity, it also counts with a SD memory slot that admits up to 512 GB. The Samsung Galaxy A31 has a much better battery life than Xiaomi Mi Note 3, because it has a 5000mAh battery capacity.
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