Compare phones
| Global Score | |
| 75.9 | 91.8 |
| Basic Information | |
| Xiaomi | Samsung |
| Android | Android 11 |
| 2018-06-08 | 2021-01-29 |
| 5.80 x 2.88 x 0.30 inches | 5.97 x 2.80 x 0.31 inches |
| 5.78 ounces | 6.03 ounces |
| Black, Blue, Gold and Red | Gray, Phantom pink, Violet and White |
| -- | Aluminum and Plastic |
| -- | Scratch-Resistant Glass |
| -- | $ 722.00 |
| Display / Screen | |
| 5.9 inches | 6.2 inches |
| 2244 x 1080 pixels | 2400 x 1080 pixels |
| AMOLED | Dynamic AMOLED |
| 422 pixels per inch | 424 pixels per inch |
| 600 cd/m2 brightness | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.7 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 710 SDM710 chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 360, 64-bit, 10 nm (Octa-Core 2200 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 6 GB RAM | 8 GB RAM |
| Adreno 616 GPU | Adreno 660 GPU |
| 9.27 | 9.63 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 7.7 | 10.1 |
| Camera | |
| 12.00 MP + 20.00 MP | 12.00 MP + 10.00 MP |
| f/1.90 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 (30 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 9.79 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.1 | 10.7 |
| Battery Life | |
| 3120mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.12 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Infra-red port | -- |
| 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 Galaxy S21 is a lot better than Xiaomi Mi 8 SE, with a overall score of 91.8 against 75.9. Even though Galaxy S21 is newer than Xiaomi Mi 8 SE, it's just a little bit heavier and just a little bit thicker. Galaxy S21 counts with Android 11 OS, and Xiaomi Mi 8 SE works with Android OS.
Galaxy S21 features a bit more vivid display than Xiaomi Mi 8 SE, because it has a little greater screen density, a slightly higher 1080 x 2400px resolution, a little bit bigger screen and way more display brightness. Galaxy S21 has a bit more powerful processing unit than Xiaomi Mi 8 SE, and although they both have a Octa-Core processor, the Galaxy S21 also has more RAM memory.
The Galaxy S21 features a much better camera than Xiaomi Mi 8 SE, and although they both have the same resolution camera, the Galaxy S21 also has a lot better video definition, a bigger aperture to take better photography and video in low-light environments and a much larger sensor providing a lot higher image quality.
Galaxy S21 features a superior memory to store more games and applications than Xiaomi Mi 8 SE, because it has 128 GB internal memory. The Galaxy S21 has longer battery performance than Xiaomi Mi 8 SE, because it has a 28 percent greater battery size.
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