Compare phones
| Global Score | |
| 98.1 | 88.3 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11 | Android 11 |
| 2021-01-29 | 2021-05-06 |
| 6.50 x 2.98 x 0.35 inches | 6.45 x 3.01 x 0.41 inches |
| 8.04 ounces | 7.41 ounces |
| Phantom black and Silver | Mirror Black and Pale Grey |
| Aluminum and Glass (Corning Gorilla Glass Victus) | Metal and Plastic |
| Scratch-Resistant Glass | -- |
| $ 966.00 | $ 499.00 |
| Display / Screen | |
| 6.8 inches | 6.7 inches |
| 3200 x 1440 pixels | 2400 x 1080 pixels |
| Dynamic AMOLED | -- |
| 516 pixels per inch | 393 pixels per inch |
| 1500 cd/m2 brightness | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.8 | 9.1 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 870 SM8250-AC chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 585, 64-bit, 7 nm (Octa-Core 3200 MHz) processor |
| 12 GB RAM | 8 GB RAM |
| Adreno 660 GPU | Adreno 650 GPU |
| 9.72 | 9.81 |
| 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 (60 fps) (4K) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 13.75 | 11.99 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM | Dual SIM |
| 10.7 | 10.6 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.8 | 6.32 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | 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 is much better than the Xiaomi Black Shark 4, having a 98.1 score against 88.3. These phones have the same Android 11 operating system, so they should offer very similar operating system features. Even though Samsung Galaxy S21 Ultra and the Xiaomi Black Shark 4 were released only a few months apart, the Samsung Galaxy S21 Ultra design is just a little bit heavier but thinner than the Xiaomi Black Shark 4.
The Xiaomi Black Shark 4 features a bit better hardware performance than Galaxy S21 Ultra, although it has a smaller amount of RAM, they both have the same number of cores. Galaxy S21 Ultra counts with a little more vivid screen than Xiaomi Black Shark 4, because it has a bit bigger display, a bit brighter screen, a better 1440 x 3200 pixels resolution and a greater number of pixels per inch of screen.
Galaxy S21 Ultra captures much better pictures and videos than Xiaomi Black Shark 4, and although they both have a F1.8 aperture, the Galaxy S21 Ultra also has a lot better video quality, a lot bigger sensor and a back camera with a way higher resolution. Xiaomi Black Shark 4's memory capacity to store more apps and games is just as good as the Galaxy S21 Ultra one, both of them have exactly the same 128 GB internal memory capacity.
The Galaxy S21 Ultra counts with just a little better battery life than Xiaomi Black Shark 4, because it has an 11 percent larger battery size.
Although Galaxy S21 Ultra is a better device, it costs a lot more than the Xiaomi Black Shark 4, and it doesn't have such a good quality/price relation as the Xiaomi Black Shark 4. If you are trying to save some money, you can buy the Xiaomi Black Shark 4, giving up a few specs and features, but you'll get the most with your budget.
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