Compare phones
| Global Score | |
| 90.7 | 98.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11 | Android 11 |
| 2021-03-29 | 2021-01-29 |
| 6.47 x 2.94 x 0.33 inches | 6.50 x 2.98 x 0.35 inches |
| 8.25 ounces | 8.04 ounces |
| Ceramic Black and Ceramic White | Phantom black and Silver |
| Ceramic | Aluminum and Glass (Corning Gorilla Glass Victus) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 966.00 |
| Display / Screen | |
| 6.8 inches | 6.8 inches |
| 3200 x 1440 pixels | 3200 x 1440 pixels |
| AMOLED | Dynamic AMOLED |
| 516 pixels per inch | 516 pixels per inch |
| 1700 cd/m2 brightness | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.9 | 9.8 |
| Performance | |
| Qualcomm Snapdragon 888 SM8350 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 |
| 8 GB RAM | 12 GB RAM |
| Adreno 660 GPU | Adreno 660 GPU |
| 9.63 | 9.72 |
| Storage | |
| 256 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 13.3 | 10.1 |
| Camera | |
| 50.00 MP + 20.00 MP | 108.00 MP + 40.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 24.00mm focal length | 24.00mm focal length |
| 0.5 inches (1/2") sensor | 0.75 inches (1/1.33") sensor |
| 7680 x 4320 (24 fps) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1920 x 1080 (1920 fps) (Full HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 12.43 | 13.75 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 8.2 | 10.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 6.8 | 6.8 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.1 |
| GPS | GPS |
| NFC | 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 bit better than Xiaomi Mi 11 Ultra, with a 98.1 score against 90.7. These phones work with the same Android 11 OS, so both should offer very similar OS features. The Galaxy S21 Ultra construction is just a little bit thicker but a little lighter than Xiaomi Mi 11 Ultra, and they were only released 2 months apart.
Galaxy S21 Ultra features a bit superior processor than Xiaomi Mi 11 Ultra, and although they both have the same number of cores, the Galaxy S21 Ultra also has a higher amount of RAM memory. Xiaomi Mi 11 Ultra has a slightly better display than Galaxy S21 Ultra, and although they both have a higher pixel quantity per screen inch, the same resolution of 1440 x 3200 pixels and a display of the same size, the Xiaomi Mi 11 Ultra also has a little bit brighter screen.
The Xiaomi Mi 11 Ultra has a much better memory to store more games and applications than Galaxy S21 Ultra, because it has 256 GB internal storage capacity. Galaxy S21 Ultra features a much better camera than Xiaomi Mi 11 Ultra, and although they both have the same 24 fps video frame rate and the same video resolution, the Galaxy S21 Ultra also has a much larger sensor taking lot better quality videos and photographs, a bigger diafragm aperture to take better low light images and video and a camera in the back with way more megapixels.
The Xiaomi Mi 11 Ultra and the Samsung Galaxy S21 Ultra count with very similar batteries performance.
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