Compare phones
| Global Score | |
| 82.3 | 77.7 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 10, 9.0 Pie | Android 10 |
| 2019-03-28 | 2020-06-19 |
| 6.44 x 2.95 x 0.35 inches | 6.44 x 2.96 x 0.35 inches |
| 7.23 ounces | 6.77 ounces |
| Black and Silver | Black, Blue, Red and White |
| Display / Screen | |
| 6.4 inches | 6.5 inches |
| 2340 x 1080 pixels | 1600 x 720 pixels |
| AMOLED | TFT |
| 403 pixels per inch | 270 pixels per inch |
| 430 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 855 chipset | Samsung Exynos 850 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 8 GB RAM | 3 GB RAM |
| Adreno 640 GPU | Mali-G76 GPU |
| 9.63 | 9.09 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 9.84 |
| Camera | |
| 48.00 MP + 20.00 MP | 48.00 MP + 13.00 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 | 10.78 |
| 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, Gyroscope and Proximity Sensor |
Comparison review
Xiaomi Black Shark 2 is a bit better than the Galaxy A21s, with an 82.3 score against 77.7. The Xiaomi Black Shark 2 is a just a little heavier device than the Galaxy A21s, but both of them are 0.35inches thick. Both of these phones come with the same Android 10 OS (operating system), so they should give the same OS features.
Xiaomi Black Shark 2 has just a little better performance than Samsung Galaxy A21s, and although they both have the same number of cores, the Xiaomi Black Shark 2 also has a higher amount of RAM. Xiaomi Black Shark 2 has a much better looking screen than Samsung Galaxy A21s, because although it has a quite smaller screen, it also counts with a way better resolution of 1080 x 2340 and a better pixels amount in each inch in the screen.
Xiaomi Black Shark 2 counts with a little bit more memory capacity for games and applications than Galaxy A21s, because although it has no slot for an external memory card, it also counts with 128 GB internal memory capacity. Samsung Galaxy A21s features greater battery life than Xiaomi Black Shark 2, because it has a 25 percent more battery size.
Xiaomi Black Shark 2 takes slightly better pictures and videos than Samsung Galaxy A21s, and although they both have a 0.5 inches sensor and a camera with a 48 MP, the Xiaomi Black Shark 2 also has a lot higher 3840x2160 video resolution and a bigger aperture.
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