Compare phones
| Global Score | |
| 82.3 | 76.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 10, 9.0 Pie | Android 10 |
| 2019-03-28 | 2020-06-29 |
| 6.44 x 2.95 x 0.35 inches | 6.61 x 3.02 x 0.32 inches |
| 7.23 ounces | 6.81 ounces |
| Black and Silver | Black |
| -- | Plastic and Plastic |
| -- | $ 194.00 |
| Display / Screen | |
| 6.4 inches | 6.5 inches |
| 2340 x 1080 pixels | 1600 x 720 pixels |
| AMOLED | IPS LCD |
| 403 pixels per inch | 270 pixels per inch |
| 430 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 855 chipset | Mediatek Helio P35 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 3 GB RAM |
| Adreno 640 GPU | PowerVR GE8320 GPU |
| 9.63 | 9.27 |
| 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 | 16.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 0.5 inches (1/2") sensor | 0.33 inches (1/3.06") 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 | 9.35 |
| 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 |
| 6.7 | 6.7 |
| Battery Life | |
| 4000mAh Li - Ion Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 5.92 |
| 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 |
| -- | FM Radio |
Comparison review
The Xiaomi Black Shark 2 is a bit better than Samsung Galaxy A21, having an 82.3 score against 76.1. Both devices in this comparison review work with the same Android 10 operating system. Although the Xiaomi Black Shark 2 is a better cellphone than Samsung Galaxy A21, it must be told that it is also older, a bit heavier and just a bit thicker.
Xiaomi Black Shark 2 has a little bit better performance than Galaxy A21, and although they both have 8 cpu cores, the Xiaomi Black Shark 2 also has a larger amount of RAM. Xiaomi Black Shark 2 counts with a sharper display than Samsung Galaxy A21, because although it has a little bit smaller screen, it also counts with a way higher resolution of 1080 x 2340px and a higher quantity of pixels per inch in the display.
The Xiaomi Black Shark 2 counts with a very superior camera than Galaxy A21, and although they both have the same aperture, the Xiaomi Black Shark 2 also has a lot bigger sensor capturing more light and vivid colors, a lot higher 48 megapixels resolution camera and a much better (4K) video definition.
Xiaomi Black Shark 2 features a little bit more storage capacity to install applications and games than Galaxy A21, because although it has no slot for SD memory cards, it also counts with 96 GB more internal memory capacity. Galaxy A21's battery performance is just as good as the battery performance in Xiaomi Black Shark 2.
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