Compare phones
| Global Score | |
| 79.8 | 98.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 10 | Android 11 |
| 2021-04-16 | 2021-01-29 |
| 6.82 x 5.25 x 0.30 inches | 6.50 x 2.98 x 0.35 inches |
| 11.18 ounces | 8.04 ounces |
| Black and Ceramic | Phantom black and Silver |
| Aluminum and Glass (Corning Gorilla Glass 5) | Aluminum and Glass (Corning Gorilla Glass Victus) |
| -- | Scratch-Resistant Glass |
| -- | $ 966.00 |
| Display / Screen | |
| 8 inches | 6.8 inches |
| 2480 x 1860 pixels | 3200 x 1440 pixels |
| AMOLED | Dynamic AMOLED |
| 388 pixels per inch | 516 pixels per inch |
| 900 cd/m2 brightness | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.7 | 9.8 |
| Performance | |
| Qualcomm Snapdragon 888 SM8350 (5 nm) chipset | Qualcomm Snapdragon 888 chipset |
| processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 12 GB RAM | 12 GB RAM |
| Adreno 660 GPU | Adreno 660 GPU |
| 6.21 | 9.72 |
| Storage | |
| 256 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 13.3 | 10.1 |
| Camera | |
| 108.00 MP + 20.00 MP | 108.00 MP + 40.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 80.00mm focal length | 24.00mm 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 |
| 10.45 | 13.75 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 10.6 | 10.7 |
| Battery Life | |
| 5020mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.8 | 6.8 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.1 |
| 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
The Galaxy S21 Ultra is a lot better than the Xiaomi Mi Mix Fold, getting a overall score of 98.1 against 79.8. Galaxy S21 Ultra's body is a lot lighter but thicker than the Xiaomi Mi Mix Fold, and they were released with only 3 months difference. These devices include Android OS (operating system), but the Galaxy S21 Ultra has a newer 11 version and Xiaomi Mi Mix Fold has Android 10 version, so it gives a couple additional features and performance improvements.
Galaxy S21 Ultra counts with a brighter display than Xiaomi Mi Mix Fold, because although it has a quite smaller screen and a bit worse resolution of 1440 x 3200, it also counts with a really brighter screen and more pixels per inch of display. The Samsung Galaxy S21 Ultra counts with a much more powerful processing unit than Xiaomi Mi Mix Fold. Both of them have a 12 GB RAM and a Octa-Core processor.
Galaxy S21 Ultra has a greater camera than Xiaomi Mi Mix Fold. They have a F1.8 diafragm aperture and a same resolution back facing camera. The Xiaomi Mi Mix Fold features a way bigger memory capacity for games and applications than Samsung Galaxy S21 Ultra, because it has 256 GB internal memory capacity.
The Xiaomi Mi Mix Fold and the Galaxy S21 Ultra feature really similar battery performance, although the Galaxy S21 Ultra has a 0 percent smaller battery size.
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