Compare phones
| Global Score | |
| 98.1 | 82.7 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11 | Android 10, 9.0 Pie |
| 2021-01-29 | 2019-08-20 |
| 6.50 x 2.98 x 0.35 inches | 6.17 x 2.93 x 0.35 inches |
| 8.04 ounces | 6.74 ounces |
| Phantom black and Silver | Carbon black, Glacier blue and Red flame |
| Aluminum and Glass (Corning Gorilla Glass Victus) | Aluminum and Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 966.00 | -- |
| Display / Screen | |
| 6.8 inches | 6.4 inches |
| 3200 x 1440 pixels | 2340 x 1080 pixels |
| Dynamic AMOLED | AMOLED |
| 516 pixels per inch | 403 pixels per inch |
| 1500 cd/m2 brightness | 430 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.8 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 855 SM8150 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 12 GB RAM | 6 GB RAM |
| Adreno 660 GPU | Adreno 640 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 | 48.00 MP + 20.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 24.00mm focal length | 26.00mm focal length |
| 0.75 inches (1/1.33") sensor | 0.5 inches (1/2") sensor |
| 7680 x 4320 (24 fps) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 13.75 | 11.99 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.8 | 5.92 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| 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 | FM Radio |
Comparison review
Samsung Galaxy S21 Ultra is much better than Xiaomi Mi 9T Pro, having a score of 98.1 against 82.7. Both of these devices include Android OS (operating system), but Samsung Galaxy S21 Ultra has a more recent 11 version while Xiaomi Mi 9T Pro has Android 10, counting with some nice extra features and performance enhancements. Samsung Galaxy S21 Ultra is a heavier phone than Xiaomi Mi 9T Pro, but both are 0.35inches thick.
Galaxy S21 Ultra features just a little better hardware performance than Xiaomi Mi 9T Pro, and although they both have 8 processing cores, the Galaxy S21 Ultra also has a higher amount of RAM memory. The Galaxy S21 Ultra features a brighter display than Xiaomi Mi 9T Pro, because it has a better 1440 x 3200 resolution, much more screen brightness, a better pixels count per inch of display and a quite bigger screen.
The Xiaomi Mi 9T Pro has as much memory capacity to store more games and applications as Galaxy S21 Ultra, they have exactly the same internal storage capacity. The Samsung Galaxy S21 Ultra features greater battery performance than Xiaomi Mi 9T Pro, because it has a 5000mAh battery capacity. Galaxy S21 Ultra features a better camera than Xiaomi Mi 9T Pro, and although they both have the same aperture, the Galaxy S21 Ultra also has a lot better 7680x4320 video definition, a lot bigger back camera sensor providing a much higher image quality and a way better 108 MP resolution back facing camera.
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