Compare phones
| Global Score | |
| 75.9 | 98.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android | Android 11 |
| 2018-06-08 | 2021-01-29 |
| 5.80 x 2.88 x 0.30 inches | 6.50 x 2.98 x 0.35 inches |
| 5.78 ounces | 8.04 ounces |
| Black, Blue, Gold and Red | Phantom black and Silver |
| -- | Aluminum and Glass (Corning Gorilla Glass Victus) |
| -- | Scratch-Resistant Glass |
| -- | $ 966.00 |
| Display / Screen | |
| 5.9 inches | 6.8 inches |
| 2244 x 1080 pixels | 3200 x 1440 pixels |
| AMOLED | Dynamic AMOLED |
| 422 pixels per inch | 516 pixels per inch |
| 600 cd/m2 brightness | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.7 | 9.8 |
| 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 | 12 GB RAM |
| Adreno 616 GPU | Adreno 660 GPU |
| 9.27 | 9.72 |
| 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 | 108.00 MP + 40.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| -- | 24.00mm focal length |
| 0.39 inches (1/2.55") sensor | 0.75 inches (1/1.33") 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 | 13.75 |
| 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 | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.12 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.1 |
| 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
Galaxy S21 Ultra is a lot better than the Xiaomi Mi 8 SE, getting a 98.1 score against 75.9. Galaxy S21 Ultra is a newer phone than Xiaomi Mi 8 SE, but it is somewhat thicker and extremely heavier. The Galaxy S21 Ultra counts with Android 11 OS, while Xiaomi Mi 8 SE has Android OS.
The Galaxy S21 Ultra has a bit superior processing unit than Xiaomi Mi 8 SE, and although they both have the same number of cores, the Galaxy S21 Ultra also has more RAM. Galaxy S21 Ultra has a more vivid display than Xiaomi Mi 8 SE, because it has a higher resolution of 1440 x 3200px, a little bit greater display density, a bigger screen and way more brightness.
The Galaxy S21 Ultra counts with a very superior memory to install applications and games than Xiaomi Mi 8 SE, because it has 128 GB internal storage capacity. The Galaxy S21 Ultra has a much longer battery duration than Xiaomi Mi 8 SE, because it has a 60 percent bigger battery capacity. Galaxy S21 Ultra captures a lot better pictures and videos than Xiaomi Mi 8 SE, because it has a much better video resolution, a way more mega-pixels back-facing camera, a way bigger camera sensor and a bigger aperture.
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