Compare phones
| Global Score | |
| 82.7 | 98.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 10, 9.0 Pie | Android 11 |
| 2019-08-20 | 2021-01-29 |
| 6.17 x 2.93 x 0.35 inches | 6.50 x 2.98 x 0.35 inches |
| 6.74 ounces | 8.04 ounces |
| Carbon black, Glacier blue and Red flame | Phantom black and Silver |
| Aluminum and Glass (Corning Gorilla Glass 5) | Aluminum and Glass (Corning Gorilla Glass Victus) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 966.00 |
| Display / Screen | |
| 6.4 inches | 6.8 inches |
| 2340 x 1080 pixels | 3200 x 1440 pixels |
| AMOLED | Dynamic AMOLED |
| 403 pixels per inch | 516 pixels per inch |
| 430 cd/m2 brightness | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.4 | 9.8 |
| Performance | |
| Qualcomm Snapdragon 855 SM8150 chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 6 GB RAM | 12 GB RAM |
| Adreno 640 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 | |
| 48.00 MP + 20.00 MP | 108.00 MP + 40.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | 24.00mm focal length |
| 0.5 inches (1/2") sensor | 0.75 inches (1/1.33") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1920 x 1080 (960 fps) (Full HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 11.99 | 13.75 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.1 |
| GPS | GPS |
| NFC | NFC |
| 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 | FM Radio |
Comparison review
Galaxy S21 Ultra is much better than Xiaomi Mi 9T Pro, with a score of 98.1 against 82.7. The Galaxy S21 Ultra is a somewhat heavier cellphone than Xiaomi Mi 9T Pro, but both have the same thickness. These phones work with Android operating system, but Galaxy S21 Ultra has 11 version while Xiaomi Mi 9T Pro has Android 10.
The Samsung Galaxy S21 Ultra has a sharper screen than Xiaomi Mi 9T Pro, because it has a better 1440 x 3200 resolution, a higher display density, a way brighter screen and a little larger screen. Galaxy S21 Ultra's storage to store more apps and games is very similar to Xiaomi Mi 9T Pro's one, both of them have equal 128 GB internal storage.
Galaxy S21 Ultra counts with a little better performance than Xiaomi Mi 9T Pro, and although they both have 8 cpu cores, the Galaxy S21 Ultra also has more RAM. The Galaxy S21 Ultra captures better photos and videos than Xiaomi Mi 9T Pro, and although they both have a F1.8 aperture, the Galaxy S21 Ultra also has a back facing camera with much more megapixels, a way higher video definition and a lot larger sensor capturing lot better quality videos and pictures.
The Galaxy S21 Ultra features longer battery duration than Xiaomi Mi 9T Pro, because it has a 25% greater battery capacity.
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