Compare phones
| Global Score | |
| 90.7 | 78.8 |
| Basic Information | |
| Xiaomi | Microsoft |
| Android 11 | Android 10 |
| 2021-03-29 | 2020-09-10 |
| 6.47 x 2.94 x 0.33 inches | 7.36 x 5.72 x 0.19 inches |
| 8.25 ounces | 8.82 ounces |
| Ceramic Black and Ceramic White | Glacier |
| Ceramic | Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 540.00 |
| Display / Screen | |
| 6.8 inches | 8.1 inches |
| 3200 x 1440 pixels | 2700 x 1800 pixels |
| AMOLED | AMOLED |
| 516 pixels per inch | 401 pixels per inch |
| 1700 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.9 | 8.2 |
| Performance | |
| Qualcomm Snapdragon 888 SM8350 chipset | Qualcomm Snapdragon 855 SM8150 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 8 GB RAM | 6 GB RAM |
| Adreno 660 GPU | Adreno 640 GPU |
| 9.63 | 9.63 |
| Storage | |
| 256 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 13.3 | 10.1 |
| Camera | |
| 50.00 MP + 20.00 MP | 11.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| 24.00mm focal length | -- |
| 0.5 inches (1/2") sensor | -- |
| 7680 x 4320 (24 fps) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 1920 x 1080 (1920 fps) (Full HD) slow motion video | -- |
| 12.43 | 8.91 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 8.2 | 6.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 3577mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.8 | 5.52 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Xiaomi Mi 11 Ultra is better than the Microsoft Surface Duo, getting a score of 90.7 against 78.8. These phones have Android OS (operating system), but the Xiaomi Mi 11 Ultra has 11 version and Microsoft Surface Duo has Android 10, so it counts with a couple additional features. Even though the Xiaomi Mi 11 Ultra and Microsoft Surface Duo were only released 7 months apart, Xiaomi Mi 11 Ultra's design is a little bit lighter but also a lot thicker.
The Xiaomi Mi 11 Ultra counts with an incredibly better looking display than Microsoft Surface Duo, because although it has a little bit smaller screen and a little bit worse resolution of 1440 x 3200, it also counts with more pixels per inch in the screen. Xiaomi Mi 11 Ultra counts with a superior memory capacity to install games and applications than Microsoft Surface Duo, because it has more internal memory capacity.
The Microsoft Surface Duo's processing unit is just as good as Xiaomi Mi 11 Ultra's processor, and although the Microsoft Surface Duo has 2 GB lesser RAM memory, they both have the same number of cores. Xiaomi Mi 11 Ultra features a much better camera than Microsoft Surface Duo, because it has a much more megapixels back camera, a much higher video quality and a larger aperture.
The Xiaomi Mi 11 Ultra has a superior battery performance than Microsoft Surface Duo, because it has a 40% bigger battery size.
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