Compare phones
| Global Score | |
| 98.1 | 79.8 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11 | Android 10 |
| 2021-01-29 | 2021-04-16 |
| 6.50 x 2.98 x 0.35 inches | 6.82 x 5.25 x 0.30 inches |
| 8.04 ounces | 11.18 ounces |
| Phantom black and Silver | Black and Ceramic |
| Aluminum and Glass (Corning Gorilla Glass Victus) | Aluminum and Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | -- |
| $ 966.00 | -- |
| Display / Screen | |
| 6.8 inches | 8 inches |
| 3200 x 1440 pixels | 2480 x 1860 pixels |
| Dynamic AMOLED | AMOLED |
| 516 pixels per inch | 388 pixels per inch |
| 1500 cd/m2 brightness | 900 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.8 | 8.7 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 888 SM8350 (5 nm) chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | processor |
| 12 GB RAM | 12 GB RAM |
| Adreno 660 GPU | Adreno 660 GPU |
| 9.72 | 6.21 |
| Storage | |
| 128 GB internal memory | 256 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 13.3 |
| Camera | |
| 108.00 MP + 40.00 MP | 108.00 MP + 20.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 24.00mm focal length | 80.00mm focal length |
| 0.75 inches (1/1.33") sensor | -- |
| 7680 x 4320 (24 fps) video resolution | -- |
| 1280 x 720 (960 fps) (HD) slow motion video | -- |
| 13.75 | 10.45 |
| 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) and HSDPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 10.6 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 5020mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.8 | 6.8 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | -- |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Galaxy S21 Ultra has an overall score of 98.1, which is way better than Xiaomi Mi Mix Fold's 79.8 score. Even though the Galaxy S21 Ultra and the Xiaomi Mi Mix Fold were released only a couple of months apart, Galaxy S21 Ultra's construction is noticeably lighter but also thicker. Both of these phones have Android OS, but the Galaxy S21 Ultra has a more recent 11 version while Xiaomi Mi Mix Fold has Android 10, so it counts with lots of additional features.
The Samsung Galaxy S21 Ultra counts with a way better performance than Xiaomi Mi Mix Fold. They have a 12 GB RAM memory and the same number of cores. Samsung Galaxy S21 Ultra counts with a more vivid display than Xiaomi Mi Mix Fold, because although it has a little bit smaller display and a little worse 1440 x 3200px resolution, it also counts with a higher amount of pixels per inch in the display and much more brightness.
Xiaomi Mi Mix Fold counts with a very superior memory capacity for games and applications than Galaxy S21 Ultra, because it has 256 GB internal memory capacity. Samsung Galaxy S21 Ultra features a way better camera than Xiaomi Mi Mix Fold. They have a back camera with a 108 megapixels and the same diafragm aperture.
The Xiaomi Mi Mix Fold and Samsung Galaxy S21 Ultra feature extremely similar battery durations, although the Xiaomi Mi Mix Fold also has a 0 percent larger battery size.
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