Compare phones
| Global Score | |
| 82.2 | 91.8 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 10, 9.0 Pie | Android 11 |
| 2019-06-17 | 2021-01-29 |
| 6.17 x 2.93 x 0.35 inches | 5.97 x 2.80 x 0.31 inches |
| 6.74 ounces | 6.03 ounces |
| Carbon Black, Flame Red and Glacier Blue | Gray, Phantom pink, Violet and White |
| Metal and Metal | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 722.00 |
| Display / Screen | |
| 6.4 inches | 6.2 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| AMOLED | Dynamic AMOLED |
| 403 pixels per inch | 424 pixels per inch |
| 430 cd/m2 brightness | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.4 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 730 SM7150-AA chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 6 GB RAM | 8 GB RAM |
| Adreno 618 GPU | Adreno 660 GPU |
| 9.27 | 9.63 |
| 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 | 12.00 MP + 10.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.57 inches (1/1.76") sensor |
| 3840 x 2160 (30 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 |
| 11.66 | 10.78 |
| 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 Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| 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
Samsung Galaxy S21 has an overall score of 91.8, which is much better than Xiaomi Mi 9T's 82.2 global score. Both phones we are comparing work with Android OS (operating system), but Samsung Galaxy S21 has 11 version and Xiaomi Mi 9T has Android 10, providing the user a couple additional features and performance improvements. Samsung Galaxy S21's design is newer, somewhat lighter and somewhat thinner than the Xiaomi Mi 9T.
Galaxy S21 features a little better hardware performance than Xiaomi Mi 9T, and although they both have the same number of cores, the Galaxy S21 also has a larger amount of RAM. Galaxy S21 features a bit sharper display than Xiaomi Mi 9T, because although it has a quite smaller display, it also counts with way more brightness, a little higher pixel amount per inch in the screen and a little higher resolution of 1080 x 2400.
The Samsung Galaxy S21's memory capacity for games and applications is very similar to Xiaomi Mi 9T's one, both of them have the same internal storage. The Samsung Galaxy S21's battery life is just as good as Xiaomi Mi 9T's battery performance. The Xiaomi Mi 9T has a bit better camera than Galaxy S21, because although it has a smaller sensor taking worse quality photographs, and they both have the same camera aperture and the same 3840x2160 (4K) video quality, the Xiaomi Mi 9T also counts with faster video frame rate and a lot higher resolution back facing camera.
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