Compare phones
| Global Score | |
| 81.3 | 86.6 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 10 | Android 10 |
| 2020-04-27 | 2020-05-08 |
| 6.27 x 2.88 x 0.34 inches | 6.64 x 3.04 x 0.41 inches |
| 6.53 ounces | 7.83 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white | Armor gray, Lightning black and Star silver |
| Plastic | Aluminum and Aluminum |
| Display / Screen | |
| 6.4 inches | 6.7 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | OLED |
| 411 pixels per inch | 393 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.1 |
| Performance | |
| MediaTek Helio P65 MT6768 chipset | Qualcomm Snapdragon 865 SM8250 chipset |
| Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor | Kryo 585, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| Mali-G52 MC2 GPU | Adreno 650 GPU |
| 9.09 | 9.63 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 10.1 |
| Camera | |
| 48.00 MP + 20.00 MP | 64.00 MP + 20.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.59 inches (1/1.7") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 10.89 | 12.43 |
| 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), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 4720mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 6.56 |
| 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 score of 86.6, which is slightly better than the Galaxy A31's score of 81.3. Xiaomi Black Shark 3 is better than Galaxy A31, we must note that it's also somewhat thicker and somewhat heavier. These phones work with the same Android 10 operating system, so both should give the same operating system features.
The Xiaomi Black Shark 3 has just a bit better hardware performance than Galaxy A31, and although they both have 8 CPU cores, the Xiaomi Black Shark 3 also has 4 GB more RAM memory. Galaxy A31 and Xiaomi Black Shark 3 feature extremely similar screens, because although the Xiaomi Black Shark 3 has a quite lower pixel density, and they both have the same exact 1080 x 2400px resolution, it also counts with a quite bigger screen.
The Xiaomi Black Shark 3 takes much better photographs and videos than Galaxy A31, because it has a lot higher resolution back facing camera, a bigger aperture to capture better low light captures and video, a lot higher 3840x2160 video definition and a bigger sensor capturing more light and vivid colors.
Galaxy A31 has more storage for games and applications than Xiaomi Black Shark 3, because although it has just 64 GB internal memory, it also counts with a SD memory slot that allows a maximum of 512 GB. The Samsung Galaxy A31 counts with a bit better battery lifetime than Xiaomi Black Shark 3, because it has a 6 percent greater battery capacity.
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