Compare phones
| Global Score | |
| 86.6 | 91.8 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 10 | Android 11 |
| 2020-05-08 | 2021-01-29 |
| 6.64 x 3.04 x 0.41 inches | 5.97 x 2.80 x 0.31 inches |
| 7.83 ounces | 6.03 ounces |
| Armor gray, Lightning black and Star silver | Gray, Phantom pink, Violet and White |
| Aluminum and Aluminum | Aluminum and Plastic |
| -- | Scratch-Resistant Glass |
| -- | $ 722.00 |
| Display / Screen | |
| 6.7 inches | 6.2 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| OLED | Dynamic AMOLED |
| 393 pixels per inch | 424 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 865 SM8250 chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 585, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 8 GB RAM | 8 GB RAM |
| Adreno 650 GPU | Adreno 660 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 | |
| 64.00 MP + 20.00 MP | 12.00 MP + 10.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.59 inches (1/1.7") sensor | 0.57 inches (1/1.76") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 12.43 | 10.78 |
| 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, Dual SIM | Nano SIM |
| 10.7 | 10.7 |
| Battery Life | |
| 4720mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.56 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| 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 has an overall score of 91.8, which is slightly better than Xiaomi Black Shark 3's 86.6 overall score. The Samsung Galaxy S21 body is notably thinner and much lighter than the Xiaomi Black Shark 3, although both were released only 9 months apart. Both of these devices use Android OS (operating system), but Samsung Galaxy S21 has the newer 11 version while Xiaomi Black Shark 3 has Android 10 version, counting with lots of additional features.
Samsung Galaxy S21 has a better display than Xiaomi Black Shark 3, because although it has a quite smaller screen, and they both have exactly the same resolution of 1080 x 2400 pixels, the Samsung Galaxy S21 also counts with a just a bit higher amount of pixels per inch of display. The Galaxy S21 has a CPU that is very similar to the CPU in Xiaomi Black Shark 3, both have 8 CPU cores and a 8 GB RAM memory.
Galaxy S21 features as much memory capacity to install applications and games or saving photos and videos as Xiaomi Black Shark 3, both have the same 128 GB internal storage. The Xiaomi Black Shark 3 has a much better camera than Galaxy S21, and although they both have the same camera aperture and the same 3840x2160 video resolution, the Xiaomi Black Shark 3 also has a lot higher resolution back-facing camera, a bigger sensor providing a higher image quality and better 60 frames per second video frame rate.
The Xiaomi Black Shark 3 has better battery performance than Galaxy S21, because it has 4720mAh of battery capacity instead of 4000mAh.
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