Compare phones
| Global Score | |
| 98.1 | 82.3 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11 | Android 10, 9.0 Pie |
| 2021-01-29 | 2019-03-28 |
| 6.50 x 2.98 x 0.35 inches | 6.44 x 2.95 x 0.35 inches |
| 8.04 ounces | 7.23 ounces |
| Phantom black and Silver | Black and Silver |
| Aluminum and Glass (Corning Gorilla Glass Victus) | -- |
| Scratch-Resistant Glass | -- |
| $ 966.00 | -- |
| Display / Screen | |
| 6.8 inches | 6.4 inches |
| 3200 x 1440 pixels | 2340 x 1080 pixels |
| Dynamic AMOLED | AMOLED |
| 516 pixels per inch | 403 pixels per inch |
| 1500 cd/m2 brightness | 430 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.8 | 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 |
| 12 GB RAM | 8 GB RAM |
| Adreno 660 GPU | Adreno 640 GPU |
| 9.72 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 10.1 |
| Camera | |
| 108.00 MP + 40.00 MP | 48.00 MP + 20.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 24.00mm focal length | -- |
| 0.75 inches (1/1.33") 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 |
| 13.75 | 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 | |
| 5000mAh Li - Polymer Battery | 4000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.8 | 5.92 |
| Other Features | |
| Bluetooth 5.1 | 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
The Samsung Galaxy S21 Ultra has a score of 98.1, which is much better than the Xiaomi Black Shark 2's global score of 82.3. The Samsung Galaxy S21 Ultra body has the same thickness than the Xiaomi Black Shark 2, but it's somewhat heavier. Both of these phones use Android OS, but Samsung Galaxy S21 Ultra has 11 version and Xiaomi Black Shark 2 has Android 10, so it offers some additional features.
Galaxy S21 Ultra features a much better display than Xiaomi Black Shark 2, because it has a higher 1440 x 3200 resolution, a higher quantity of pixels per inch in the display, a much brighter screen and a little larger screen. Galaxy S21 Ultra counts with a bit better performance than Xiaomi Black Shark 2, and although they both have a Octa-Core processing unit, the Galaxy S21 Ultra also has a higher amount of RAM.
Xiaomi Black Shark 2 and Galaxy S21 Ultra have similar memory capacity for games and applications, both of them have equal 128 GB internal memory. Galaxy S21 Ultra shoots much better pictures and videos than Xiaomi Black Shark 2, and although they both have a same size aperture, the Galaxy S21 Ultra also has a lot larger back-facing camera sensor, a camera with much more mega-pixels and a lot higher video quality.
Samsung Galaxy S21 Ultra has improved battery performance than Xiaomi Black Shark 2, because it has 5000mAh of battery capacity.
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