Compare phones
| Global Score | |
| 85.3 | 90.7 |
| Basic Information | |
| Microsoft | Xiaomi |
| Android 11 | Android 11 |
| 2021-09-20 | 2021-03-29 |
| 5.72 x 7.26 x 0.22 inches | 6.47 x 2.94 x 0.33 inches |
| 10.02 ounces | 8.25 ounces |
| Glacier and Obsidian | Ceramic Black and Ceramic White |
| Glass (Corning Gorilla Glass) | Ceramic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 540.00 | -- |
| Display / Screen | |
| 8.3 inches | 6.8 inches |
| 2688 x 1892 pixels | 3200 x 1440 pixels |
| AMOLED | AMOLED |
| 396 pixels per inch | 516 pixels per inch |
| 800 cd/m2 brightness | 1700 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.8 | 9.9 |
| Performance | |
| Qualcomm Snapdragon 888 SM8350 (5 nm) chipset | Qualcomm Snapdragon 888 SM8350 chipset |
| Kryo 680, 64-bit (Octa-Core 2840 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 8 GB RAM | 8 GB RAM |
| Adreno 660 GPU | Adreno 660 GPU |
| 9.63 | 9.63 |
| Storage | |
| 128 GB internal memory | 256 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 13.3 |
| Camera | |
| 12.00 MP + 12.00 MP | 50.00 MP + 20.00 MP |
| f/1.70 aperture | f/1.90 aperture |
| 27.00mm focal length | 24.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1920 x 1080 (1920 fps) (Full HD) slow motion video |
| 10.01 | 12.43 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | 5G, 5G, HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 10.6 | 8.2 |
| Battery Life | |
| 4449mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.32 | 6.8 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.2 |
| 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 has a global score of 90.7, which is just a bit better than Microsoft Surface Duo 2's 85.3 general score. These phones use the same Android 11 operating system. Even though Xiaomi Mi 11 Ultra and the Microsoft Surface Duo 2 were released only 6 months apart, the Xiaomi Mi 11 Ultra construction is lighter but incredibly thicker than the Microsoft Surface Duo 2.
Xiaomi Mi 11 Ultra counts with a processor that is very similar to Microsoft Surface Duo 2's processing unit, they have a 8 GB RAM and 8 cores. Xiaomi Mi 11 Ultra features a sharper display than Microsoft Surface Duo 2, because although it has a quite lower 1440 x 3200 resolution and a little bit smaller screen, it also counts with more pixels per inch in the screen and a way brighter display.
Xiaomi Mi 11 Ultra features a superior storage capacity for games and applications than Microsoft Surface Duo 2, because it has 128 GB more internal storage. Xiaomi Mi 11 Ultra features a very superior camera than Microsoft Surface Duo 2, because although it has a tinier diafragm aperture, it also counts with a much higher resolution back camera and a lot better video definition.
The Xiaomi Mi 11 Ultra has a bit longer battery duration than Microsoft Surface Duo 2, because it has a 5000mAh battery capacity.
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