Compare phones
| Global Score | |
| 88.8 | 98.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11 | Android 11 |
| 2021-02-08 | 2021-01-29 |
| 6.47 x 2.94 x 0.32 inches | 6.50 x 2.98 x 0.35 inches |
| 6.91 ounces | 8.04 ounces |
| Horizon blue and Midnight gray | Phantom black and Silver |
| Glass and Metal | 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 |
| 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 |
| 8 GB RAM | 12 GB RAM |
| Adreno 660 GPU | Adreno 660 GPU |
| 9.63 | 9.72 |
| 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 + 20.00 MP | 108.00 MP + 40.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| -- | 24.00mm focal length |
| 0.75 inches (1/1.33") sensor | 0.75 inches (1/1.33") sensor |
| 7680 x 4320 (30 fps) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 13.75 | 13.75 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 7 | 10.7 |
| Battery Life | |
| 4600mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 6.48 | 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
The Samsung Galaxy S21 Ultra has an overall score of 98.1, which is much better than the Xiaomi Mi 11's 88.8 score. Both phones in our current comparison work with the same Android 11 OS (operating system), so you shouldn't perceive any difference regarding OS features. The Samsung Galaxy S21 Ultra body is heavier and a little thicker than Xiaomi Mi 11.
Galaxy S21 Ultra features a little faster CPU than Xiaomi Mi 11, and although they both have a Octa-Core processor, the Galaxy S21 Ultra also has more RAM. Samsung Galaxy S21 Ultra features a display that is just as good as the Xiaomi Mi 11 one, they have the same display pixels density, the same exact resolution of 1440 x 3200px, the same display brightness and a display of the same size.
Samsung Galaxy S21 Ultra and Xiaomi Mi 11 count with similar memory capacity to install applications and games or saving photos and videos, they have equal 128 GB internal memory. Samsung Galaxy S21 Ultra has just a bit better battery duration than Xiaomi Mi 11, because it has 5000mAh of battery capacity.
The Samsung Galaxy S21 Ultra's camera is just as good as Xiaomi Mi 11's camera, because although the Samsung Galaxy S21 Ultra has worse video frame rates, and they both have a 0.75 inches sensor, the same video quality and a camera with a 108 mega-pixels resolution, it also counts with a bigger aperture for better photos and video in poorly lited environments.
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