Compare phones
| Global Score | |
| 76.1 | 82.3 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 10 | Android 10, 9.0 Pie |
| 2020-06-29 | 2019-03-28 |
| 6.61 x 3.02 x 0.32 inches | 6.44 x 2.95 x 0.35 inches |
| 6.81 ounces | 7.23 ounces |
| Black | Black and Silver |
| Plastic and Plastic | -- |
| $ 194.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.4 inches |
| 1600 x 720 pixels | 2340 x 1080 pixels |
| IPS LCD | AMOLED |
| 270 pixels per inch | 403 pixels per inch |
| -- | 430 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.3 | 8.4 |
| Performance | |
| Mediatek Helio P35 chipset | Qualcomm Snapdragon 855 chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 3 GB RAM | 8 GB RAM |
| PowerVR GE8320 GPU | Adreno 640 GPU |
| 9.27 | 9.63 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 9.84 | 10.1 |
| Camera | |
| 16.00 MP + 13.00 MP | 48.00 MP + 20.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 0.33 inches (1/3.06") sensor | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (120 fps) (HD) slow motion video |
| 9.35 | 11.55 |
| 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 | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 4000mAh Li - Ion 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
Xiaomi Black Shark 2 is a bit better than Galaxy A21, with a general score of 82.3 against 76.1. These phones include the same Android 10 OS, so you shouldn't notice any differences in that aspect. Although it's the best in our current comparison, it must be noted that it is also an older, just a bit heavier and a bit thicker phone.
Xiaomi Black Shark 2 has a little better hardware performance than Galaxy A21, and although they both have the same number of cores, the Xiaomi Black Shark 2 also has more RAM memory. Xiaomi Black Shark 2 counts with a brighter screen than Galaxy A21, because although it has a quite smaller screen, it also counts with a greater pixels number per inch in the screen and a way higher resolution of 1080 x 2340 pixels.
Xiaomi Black Shark 2 features a slightly better storage capacity for games and applications than Galaxy A21, because although it has no slot for an external memory card, it also counts with 128 GB internal storage. Xiaomi Black Shark 2 shoots greater photos and videos than Samsung Galaxy A21, and although they both have a same size camera aperture, the Xiaomi Black Shark 2 also has a way better video definition, a way bigger sensor capturing lot better quality photos and videos and a much higher resolution camera in the back.
Xiaomi Black Shark 2's battery lifetime is just as good as the Galaxy A21 one.
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