Compare phones
| Global Score | |
| 90.7 | 91.8 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11 | Android 11 |
| 2021-03-29 | 2021-01-29 |
| 6.47 x 2.94 x 0.33 inches | 5.97 x 2.80 x 0.31 inches |
| 8.25 ounces | 6.03 ounces |
| Ceramic Black and Ceramic White | Gray, Phantom pink, Violet and White |
| Ceramic | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 722.00 |
| Display / Screen | |
| 6.8 inches | 6.2 inches |
| 3200 x 1440 pixels | 2400 x 1080 pixels |
| AMOLED | Dynamic AMOLED |
| 516 pixels per inch | 424 pixels per inch |
| 1700 cd/m2 brightness | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.9 | 9.2 |
| 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 | 8 GB RAM |
| Adreno 660 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 | |
| 50.00 MP + 20.00 MP | 12.00 MP + 10.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 24.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.57 inches (1/1.76") 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 | 10.78 |
| 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 | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 6.8 | 5.92 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.0 |
| 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 is a bit better than Xiaomi Mi 11 Ultra, having a general score of 91.8 against 90.7. The Galaxy S21 body is a bit thinner and a lot lighter than Xiaomi Mi 11 Ultra, even when both were only released with a few months difference. Both of these phones include the same Android 11 OS (Operating System).
The Xiaomi Mi 11 Ultra counts with a little bit better screen than Galaxy S21, because it has a quite larger display, a higher resolution of 1440 x 3200 pixels, a little bit better pixels density and a brighter display. Xiaomi Mi 11 Ultra has a very superior memory for applications and games than Galaxy S21, because it has more internal memory.
The Galaxy S21 and Xiaomi Mi 11 Ultra count with similar CPUs, both have 8 GB of RAM memory and the same number of cores. The Xiaomi Mi 11 Ultra features better battery performance than Galaxy S21, because it has 5000mAh of battery capacity. Xiaomi Mi 11 Ultra has a superior camera than Galaxy S21, because although it has a tinier camera aperture which is not nice for low-light photos and video and a smaller sensor giving a lower image quality, and they both have the same video definition and the same video frame rate, the Xiaomi Mi 11 Ultra also counts with a camera with a way higher 50 megapixels resolution.
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