Compare phones
| Global Score | |
| 71.6 | 81.3 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 4.4.2, 4.2.1 | Android 10 |
| 0000-00-00 | 2020-04-27 |
| 5.67 x 2.90 x 0.32 inches | 6.27 x 2.88 x 0.34 inches |
| 5.11 ounces | 6.53 ounces |
| Black | Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white |
| -- | Plastic |
| $ 300.00 | -- |
| Display / Screen | |
| 5 inches | 6.4 inches |
| 1080 x 1920 pixels (Full HD) | 2400 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 441 pixels per inch | 411 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 9.1 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 800 8974-AB chipset | MediaTek Helio P65 MT6768 chipset |
| Krait 400 (Quad-Core 2360 MHz) processor | Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 2 GB (933 MHz) RAM | 4 GB RAM |
| Adreno 330 (450 MHz) GPU | Mali-G52 MC2 GPU |
| 9.27 | 9.09 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 7.7 | 11.74 |
| Camera | |
| 13.00 MP + 2.00 MP | 48.00 MP + 20.00 MP |
| f/2.20 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 8.91 | 10.89 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| HSPA+ (4G), HSDPA, HSUPA, UMTS, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| SIM | Nano SIM, Dual SIM |
| 4.6 | 6.7 |
| Battery Life | |
| 3050mAh Li-Ion Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.04 | 6.8 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Galaxy A31 is much better than the Xiaomi Mi-3, with an 81.3 score against 71.6. Even being the best phone we are comparing here, Galaxy A31's body is heavier and a bit thicker than the Xiaomi Mi-3. These phones use Android OS (Operating System), but the Galaxy A31 has the previous 10 version and Xiaomi Mi-3 has Android 4.4.2.
Xiaomi Mi-3 features a little bit better performance than Samsung Galaxy A31, because although it has a lower number of cores (although faster) and a smaller amount of RAM, it also counts with an extra graphics processing unit. The Xiaomi Mi-3 counts with a more vivid display than Samsung Galaxy A31, because although it has a bit lower 1920 x 1080 resolution and a much smaller display, it also counts with a bit more pixels per inch of display.
The Galaxy A31 counts with much more storage capacity to store more games and applications than Xiaomi Mi-3, and although they both have the same internal memory capacity, the Galaxy A31 also has an external memory card slot that holds a maximum of 512 GB. Galaxy A31 has a much better camera than Xiaomi Mi-3, and although they both have the same 30 frames per second video frame rates and the same 1920x1080 video quality, the Galaxy A31 also has a larger aperture and a way more MP back facing camera.
The Samsung Galaxy A31 counts with a much longer battery performance than Xiaomi Mi-3, because it has 5000mAh of battery capacity.
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