Compare phones
| Global Score | |
| 98.1 | 87.9 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11 | Android 10 |
| 2021-01-29 | 2020-10-01 |
| 6.50 x 2.98 x 0.35 inches | 6.50 x 3.01 x 0.37 inches |
| 8.04 ounces | 7.62 ounces |
| Phantom black and Silver | Cosmic black and Lunar silver |
| 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 | 6.7 inches |
| 3200 x 1440 pixels | 2400 x 1080 pixels |
| Dynamic AMOLED | IPS LCD |
| 516 pixels per inch | 393 pixels per inch |
| 1500 cd/m2 brightness | 650 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.8 | 8.6 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 865 SM8250 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 585, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 12 GB RAM | 6 GB RAM |
| Adreno 660 GPU | Adreno 650 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 | 64.00 MP + 20.00 MP |
| f/1.80 aperture | f/1.90 aperture |
| 24.00mm focal length | -- |
| 0.75 inches (1/1.33") sensor | 0.59 inches (1/1.7") sensor |
| 7680 x 4320 (24 fps) video resolution | 7680 x 4320 (30 fps) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | -- |
| 13.75 | 12.65 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 10.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 5000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 6.8 | 6.8 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.1 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| 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 | -- |
Comparison review
The Galaxy S21 Ultra has a general score of 98.1, which is better than Xiaomi Mi 10T's overall score of 87.9. Both devices in this review come with Android OS (Operating System), but Galaxy S21 Ultra has a newer 11 version and Xiaomi Mi 10T has Android 10 version, offering a couple additional features and performance improvements. Although Galaxy S21 Ultra and Xiaomi Mi 10T were released only a couple months apart, the Galaxy S21 Ultra construction is just a bit heavier but also a little bit thinner.
Galaxy S21 Ultra features a much better looking display than Xiaomi Mi 10T, because it has a quite larger display, a better 1440 x 3200 resolution, a greater display pixels density and a lot brighter display. The Samsung Galaxy S21 Ultra features a bit more powerful processing unit than Xiaomi Mi 10T, and although they both have the same number of cores, the Samsung Galaxy S21 Ultra also has a greater amount of RAM memory.
Xiaomi Mi 10T has as much memory to store more apps and games as Samsung Galaxy S21 Ultra, both of them have the same 128 GB internal storage capacity. The Galaxy S21 Ultra counts with a little bit better camera than Xiaomi Mi 10T, because although it has slower video frame rates, and they both have the same 7680x4320 video resolution, the Galaxy S21 Ultra also counts with a lot better resolution back camera, a much bigger camera sensor and a larger aperture for better photos in low-light environments.
The Xiaomi Mi 10T and Galaxy S21 Ultra have similar battery durations.
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