Compare phones
| Global Score | |
| 82.3 | 81.3 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 10, 9.0 Pie | Android 10 |
| 2019-03-28 | 2020-04-27 |
| 6.44 x 2.95 x 0.35 inches | 6.27 x 2.88 x 0.34 inches |
| 7.23 ounces | 6.53 ounces |
| Black and Silver | Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white |
| -- | Plastic |
| Display / Screen | |
| 6.4 inches | 6.4 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| AMOLED | Super AMOLED |
| 403 pixels per inch | 411 pixels per inch |
| 430 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 855 chipset | MediaTek Helio P65 MT6768 chipset |
| Kryo 485, 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 640 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 | |
| 48.00 MP + 20.00 MP | 48.00 MP + 20.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 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 | -- |
| 11.55 | 10.89 |
| 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 | |
| 4000mAh Li - Ion Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 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 2 is a little bit better than Galaxy A31, with an 82.3 score against 81.3. Xiaomi Black Shark 2 is an older, just a little bit thicker and just a little bit heavier cellphone than the Galaxy A31. Both of these devices come with the same Android 10 OS (operating system), so both of them should provide the user very similar operating system features.
The Xiaomi Black Shark 2 counts with a little bit better processing power than Samsung Galaxy A31, and although they both have 8 processing cores, the Xiaomi Black Shark 2 also has 4 GB more RAM. Xiaomi Black Shark 2 features a slightly better looking screen than Samsung Galaxy A31, although it has a bit worse 1080 x 2340px resolution and a quite worse pixels density, they both have a display of the same size.
The Galaxy A31 features a bigger storage for games and applications than Xiaomi Black Shark 2, because although it has 0 less internal storage, it also counts with an external memory card slot that allows up to 512 GB. Samsung Galaxy A31 features superior battery duration than Xiaomi Black Shark 2, because it has a 25 percent larger battery size.
Xiaomi Black Shark 2 shoots a little bit better photographs and videos than Galaxy A31, and although they both have a camera in the back with a 48 MP and a 0.5 inches sensor, the Xiaomi Black Shark 2 also has a bigger aperture for better low light images and video and a way higher (4K) video quality.
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