Compare phones
| Global Score | |
| 91.8 | 82.3 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11 | Android 10, 9.0 Pie |
| 2021-01-29 | 2019-03-28 |
| 5.97 x 2.80 x 0.31 inches | 6.44 x 2.95 x 0.35 inches |
| 6.03 ounces | 7.23 ounces |
| Gray, Phantom pink, Violet and White | Black and Silver |
| Aluminum and Plastic | -- |
| Scratch-Resistant Glass | -- |
| $ 722.00 | -- |
| Display / Screen | |
| 6.2 inches | 6.4 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| Dynamic AMOLED | AMOLED |
| 424 pixels per inch | 403 pixels per inch |
| 1300 cd/m2 brightness | 430 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.2 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 855 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 8 GB RAM | 8 GB RAM |
| Adreno 660 GPU | Adreno 640 GPU |
| 9.63 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 10.1 |
| Camera | |
| 12.00 MP + 10.00 MP | 48.00 MP + 20.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.57 inches (1/1.76") sensor | 0.5 inches (1/2") sensor |
| 7680 x 4320 (24 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1280 x 720 (120 fps) (HD) slow motion video |
| 10.78 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, 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 |
| 10.7 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 4000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.92 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Samsung Galaxy S21 has an overall score of 91.8, which is much better than the Xiaomi Black Shark 2's 82.3 general score. The Samsung Galaxy S21 is a newer phone, and it is also thinner and somewhat lighter than Xiaomi Black Shark 2. Both of these phones work with Android OS (operating system), but the Samsung Galaxy S21 has a more recent 11 version while Xiaomi Black Shark 2 has Android 10 version.
The Galaxy S21 and the Xiaomi Black Shark 2 both have very similar CPUs, they have the same RAM amount and a Octa-Core CPU. The Samsung Galaxy S21 features a bit sharper screen than Xiaomi Black Shark 2, because although it has a little smaller display, it also counts with a little bit greater pixels density, a quite better 1080 x 2400 resolution and much more brightness.
The Xiaomi Black Shark 2 has a little bit better camera than Galaxy S21, because although it has a tinier back-facing camera sensor, and they both have the same video quality and the same camera aperture, the Xiaomi Black Shark 2 also counts with higher video frame rates and a back camera with a way higher resolution.
Xiaomi Black Shark 2 has as much memory for games and applications as the Samsung Galaxy S21, both of them have equal 128 GB internal memory. Xiaomi Black Shark 2's battery life is just as good as Galaxy S21's battery life.
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