Compare phones
| Global Score | |
| 83.8 | 91.8 |
| Basic Information | |
| Xiaomi | Samsung |
| -- | Android 11 |
| 2018-11-01 | 2021-01-29 |
| 6.22 x 2.94 x 0.33 inches | 5.97 x 2.80 x 0.31 inches |
| 7.69 ounces | 6.03 ounces |
| Black, Blue and Green | Gray, Phantom pink, Violet and White |
| Aluminum and Ceramic | Aluminum and Plastic |
| -- | Scratch-Resistant Glass |
| -- | $ 722.00 |
| Display / Screen | |
| 6.4 inches | 6.2 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | Dynamic AMOLED |
| 403 pixels per inch | 424 pixels per inch |
| 600 cd/m2 brightness | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.6 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 845 SDM845 chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 8 GB RAM | 8 GB RAM |
| Adreno 630 GPU | Adreno 660 GPU |
| 9.63 | 9.63 |
| Storage | |
| 256 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 13.3 | 10.1 |
| Camera | |
| 12.20 MP + 24.00 MP | 12.00 MP + 10.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| 0.39 inches (1/2.55") 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 (960 fps) (Full HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 10.34 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.3 | 10.7 |
| Battery Life | |
| 3200mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 5.2 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | 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
Galaxy S21 has a global score of 91.8, which is a little bit better than Xiaomi Mi Mix 3's score of 83.8. Galaxy S21 is a extremely newer cellphone, and it is also notably lighter and just a little thinner than the Xiaomi Mi Mix 3. The Galaxy S21 features a CPU that's very similar to the Xiaomi Mi Mix 3 one, both have 8 cores and a 8 GB RAM memory.
The Samsung Galaxy S21 counts with a little sharper display than Xiaomi Mi Mix 3, because although it has a bit smaller screen, it also counts with a lot brighter display, a bit higher 1080 x 2400px resolution and a little bit more pixels per screen inch. Xiaomi Mi Mix 3 counts with a much better memory to install applications and games or saving photos and videos than Galaxy S21, because it has 256 GB internal memory.
Samsung Galaxy S21 counts with improved battery life than Xiaomi Mi Mix 3, because it has a 25% bigger battery capacity. The Galaxy S21 has a bit better camera than Xiaomi Mi Mix 3, because although it has a back-facing camera with less mega-pixels resolution, and they both have the same diafragm aperture, the Galaxy S21 also counts with a much bigger back-facing camera sensor shooting much better quality photographs and a way higher video definition.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.