Compare phones
| Global Score | |
| 78.8 | 90.7 |
| Basic Information | |
| Microsoft | Xiaomi |
| Android 10 | Android 11 |
| 2020-09-10 | 2021-03-29 |
| 7.36 x 5.72 x 0.19 inches | 6.47 x 2.94 x 0.33 inches |
| 8.82 ounces | 8.25 ounces |
| Glacier | Ceramic Black and Ceramic White |
| Glass (Corning Gorilla Glass 5) | Ceramic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 540.00 | -- |
| Display / Screen | |
| 8.1 inches | 6.8 inches |
| 2700 x 1800 pixels | 3200 x 1440 pixels |
| AMOLED | AMOLED |
| 401 pixels per inch | 516 pixels per inch |
| -- | 1700 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.2 | 9.9 |
| Performance | |
| Qualcomm Snapdragon 855 SM8150 chipset | Qualcomm Snapdragon 888 SM8350 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 6 GB RAM | 8 GB RAM |
| Adreno 640 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 | |
| 11.00 MP | 50.00 MP + 20.00 MP |
| f/2.00 aperture | f/1.90 aperture |
| -- | 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 (1920 fps) (Full HD) slow motion video |
| 8.91 | 12.43 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 8.2 |
| Battery Life | |
| 3577mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.52 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | 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 much better than the Microsoft Surface Duo's 78.8 global score. Xiaomi Mi 11 Ultra's construction is a little bit lighter but noticeably thicker than the Microsoft Surface Duo, and both were released only 7 months apart. Both of these phones have Android OS, but Xiaomi Mi 11 Ultra has newer 11 version while Microsoft Surface Duo has Android 10, so it offers a couple additional features.
Xiaomi Mi 11 Ultra counts with a much more vibrant display than Microsoft Surface Duo, because although it has a bit lower 1440 x 3200px resolution and a bit smaller screen, it also counts with a better number of pixels per inch in the screen. Microsoft Surface Duo and Xiaomi Mi 11 Ultra both count with extremely similar processors, and although the Xiaomi Mi 11 Ultra has a larger amount of RAM memory, they both have 8 cpu cores.
Xiaomi Mi 11 Ultra counts with a very superior storage capacity to store more apps and games than Microsoft Surface Duo, because it has 128 GB more internal memory capacity. Xiaomi Mi 11 Ultra features a way better battery lifetime than Microsoft Surface Duo, because it has a 40 percent more battery capacity.
Xiaomi Mi 11 Ultra takes way better pictures and videos than Microsoft Surface Duo, because it has a much better video definition, a camera with way more mega pixels and a bigger camera aperture.
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