Compare phones
| Global Score | |
| 98.1 | 88.8 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11 | Android 11 |
| 2021-01-29 | 2021-02-08 |
| 6.50 x 2.98 x 0.35 inches | 6.47 x 2.94 x 0.32 inches |
| 8.04 ounces | 6.91 ounces |
| Phantom black and Silver | Horizon blue and Midnight gray |
| Aluminum and Glass (Corning Gorilla Glass Victus) | Glass and Metal |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 966.00 | -- |
| Display / Screen | |
| 6.8 inches | 6.8 inches |
| 3200 x 1440 pixels | 3200 x 1440 pixels |
| Dynamic AMOLED | AMOLED |
| 516 pixels per inch | 516 pixels per inch |
| 1500 cd/m2 brightness | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.8 | 9.8 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 12 GB RAM | 8 GB RAM |
| Adreno 660 GPU | Adreno 660 GPU |
| 9.72 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 10.1 |
| Camera | |
| 108.00 MP + 40.00 MP | 108.00 MP + 20.00 MP |
| f/1.80 aperture | f/1.90 aperture |
| 24.00mm focal length | -- |
| 0.75 inches (1/1.33") sensor | 0.75 inches (1/1.33") sensor |
| 7680 x 4320 (24 fps) video resolution | 7680 x 4320 (30 fps) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 13.75 | 13.75 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 4600mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 6.8 | 6.48 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| 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 Ultra is much better than the Xiaomi Mi 11, having a score of 98.1 against 88.8. These phones have the same Android 11 OS (operating system). Despite being the best in this comparison, we must tell that it is also a somewhat heavier and just a bit thicker cellphone. The Galaxy S21 Ultra and the Xiaomi Mi 11 count with quite similar displays, both have the same amount of pixels in each display inch, a display of the same size, the same exact resolution of 1440 x 3200 and the same brightness.
The Samsung Galaxy S21 Ultra and the Xiaomi Mi 11 have really similar storage capacity for apps and games, both of them have the same internal storage. The Galaxy S21 Ultra features a little better performance than Xiaomi Mi 11, and although they both have 8 CPU cores, the Galaxy S21 Ultra also has a larger amount of RAM memory.
Samsung Galaxy S21 Ultra features a little longer battery performance than Xiaomi Mi 11, because it has 5000mAh of battery capacity instead of 4600mAh. The Xiaomi Mi 11's camera is very similar to the camera in Galaxy S21 Ultra, because although the Xiaomi Mi 11 has a tinier camera aperture which is not nice for low light images and video, and they both have a same resolution camera in the back, a same size back-facing camera sensor and the same video definition, it also counts with better 30 fps video frame rates.
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