Compare phones
| Global Score | |
| 91.8 | 86.6 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11 | Android 10 |
| 2021-01-29 | 2020-05-08 |
| 5.97 x 2.80 x 0.31 inches | 6.64 x 3.04 x 0.41 inches |
| 6.03 ounces | 7.83 ounces |
| Gray, Phantom pink, Violet and White | Armor gray, Lightning black and Star silver |
| Aluminum and Plastic | Aluminum and Aluminum |
| Scratch-Resistant Glass | -- |
| $ 722.00 | -- |
| Display / Screen | |
| 6.2 inches | 6.7 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| Dynamic AMOLED | OLED |
| 424 pixels per inch | 393 pixels per inch |
| 1300 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.2 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 865 SM8250 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 585, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 8 GB RAM | 8 GB RAM |
| Adreno 660 GPU | Adreno 650 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 | 64.00 MP + 20.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.57 inches (1/1.76") sensor | 0.59 inches (1/1.7") 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 | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 10.78 | 12.43 |
| 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), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 10.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 4720mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.92 | 6.56 |
| 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
Galaxy S21 has a global score of 91.8, which is a little bit better than Xiaomi Black Shark 3's score of 86.6. Even when Galaxy S21 and the Xiaomi Black Shark 3 were released with only a few months difference, Galaxy S21 is notably lighter and way thinner. These phones have Android OS (Operating System), but Galaxy S21 has a more recent 11 version while Xiaomi Black Shark 3 has Android 10, giving you some nice extra features.
The Xiaomi Black Shark 3 features a CPU that's very similar to the Galaxy S21 one, both have 8 cores and a 8 GB RAM memory. Samsung Galaxy S21 counts with a much better looking display than Xiaomi Black Shark 3, because although it has a little bit smaller display, and they both have the same exact 1080 x 2400px resolution, the Samsung Galaxy S21 also counts with a little greater pixels density.
The Xiaomi Black Shark 3 and Galaxy S21 feature very similar memory to install applications and games or saving photos and videos, they have equal 128 GB internal memory capacity. Xiaomi Black Shark 3 counts with improved battery life than Samsung Galaxy S21, because it has an 18% bigger battery capacity.
The Xiaomi Black Shark 3 has a superior camera than Samsung Galaxy S21, and although they both have the same (4K) video resolution and a F1.8 aperture, the Xiaomi Black Shark 3 also has better video frame rates, a bigger back camera sensor providing a higher image quality and a back-facing camera with a much better 64 mega-pixels resolution.
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