Compare phones
| Global Score | |
| 86.6 | 81.3 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 10 | Android 10 |
| 2020-05-08 | 2020-04-27 |
| 6.64 x 3.04 x 0.41 inches | 6.27 x 2.88 x 0.34 inches |
| 7.83 ounces | 6.53 ounces |
| Armor gray, Lightning black and Star silver | Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white |
| Aluminum and Aluminum | Plastic |
| Display / Screen | |
| 6.7 inches | 6.4 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| OLED | Super AMOLED |
| 393 pixels per inch | 411 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 865 SM8250 chipset | MediaTek Helio P65 MT6768 chipset |
| Kryo 585, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 650 GPU | Mali-G52 MC2 GPU |
| 9.63 | 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 | |
| 64.00 MP + 20.00 MP | 48.00 MP + 20.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.59 inches (1/1.7") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | -- |
| 12.43 | 10.89 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, 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 |
| 10.7 | 6.7 |
| Battery Life | |
| 4720mAh Li - Polymer Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.56 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Xiaomi Black Shark 3 has a global score of 86.6, which is just a bit better than Galaxy A31's 81.3 general score. These devices have the same Android 10 OS (operating system). Even though the Xiaomi Black Shark 3 is a better cellphone than the Galaxy A31, we must note that it is also a somewhat thicker and somewhat heavier cellphone.
The Galaxy A31 and Xiaomi Black Shark 3 both have very similar screens, because although the Galaxy A31 has a quite smaller display, and they both have an equal resolution of 1080 x 2400 pixels, it also counts with a just a bit better quantity of pixels in each inch of display. Xiaomi Black Shark 3 counts with a bit superior processor than Galaxy A31, and although they both have 8 CPU cores, the Xiaomi Black Shark 3 also has a higher amount of RAM.
The Galaxy A31 features a quite bigger storage to install applications and games than Xiaomi Black Shark 3, because although it has only 64 GB internal memory capacity, it also counts with a slot for an external memory card that allows up to 512 GB. The Xiaomi Black Shark 3 features a much better camera than Galaxy A31, because it has a way better resolution back facing camera, a larger sensor, a larger camera aperture to capture better low light photos and videos and a lot higher 3840x2160 video definition.
Samsung Galaxy A31 has a bit superior battery duration than Xiaomi Black Shark 3, because it has a 6% larger battery capacity.
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