Compare phones
| Global Score | |
| 82.3 | 98.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 10, 9.0 Pie | Android 11 |
| 2019-03-28 | 2021-01-29 |
| 6.44 x 2.95 x 0.35 inches | 6.50 x 2.98 x 0.35 inches |
| 7.23 ounces | 8.04 ounces |
| Black and Silver | Phantom black and Silver |
| -- | Aluminum and Glass (Corning Gorilla Glass Victus) |
| -- | Scratch-Resistant Glass |
| -- | $ 966.00 |
| Display / Screen | |
| 6.4 inches | 6.8 inches |
| 2340 x 1080 pixels | 3200 x 1440 pixels |
| AMOLED | Dynamic AMOLED |
| 403 pixels per inch | 516 pixels per inch |
| 430 cd/m2 brightness | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.4 | 9.8 |
| Performance | |
| Qualcomm Snapdragon 855 chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 8 GB RAM | 12 GB RAM |
| Adreno 640 GPU | Adreno 660 GPU |
| 9.63 | 9.72 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 10.1 |
| Camera | |
| 48.00 MP + 20.00 MP | 108.00 MP + 40.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 24.00mm focal length |
| 0.5 inches (1/2") sensor | 0.75 inches (1/1.33") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 11.55 | 13.75 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 4000mAh Li - Ion Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.1 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Samsung Galaxy S21 Ultra has a general score of 98.1, which is better than Xiaomi Black Shark 2's general score of 82.3. Both of these devices include Android OS (Operating System), but Samsung Galaxy S21 Ultra has newer 11 version while Xiaomi Black Shark 2 has Android 10, so it gives some extra features and performance tweaks. Samsung Galaxy S21 Ultra is a heavier cellphone than Xiaomi Black Shark 2, but they are equally thin.
The Samsung Galaxy S21 Ultra has a better looking screen than Xiaomi Black Shark 2, because it has a higher pixel density, a little bigger screen, a higher resolution of 1440 x 3200 pixels and much more brightness. The Samsung Galaxy S21 Ultra has just a little better hardware performance than Xiaomi Black Shark 2, and although they both have 8 processing cores, the Samsung Galaxy S21 Ultra also has a greater amount of RAM memory.
The Samsung Galaxy S21 Ultra takes much clearer videos and photos than Xiaomi Black Shark 2, and although they both have a F1.8 diafragm aperture, the Samsung Galaxy S21 Ultra also has a back-facing camera with a much higher resolution, a much better video definition and a much bigger sensor capturing lot higher quality videos and photographs.
The Galaxy S21 Ultra features as much memory capacity for apps and games as Xiaomi Black Shark 2, both have exactly the same 128 GB internal storage. The Samsung Galaxy S21 Ultra counts with superior battery life than Xiaomi Black Shark 2, because it has 5000mAh of battery capacity against 4000mAh.
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