Compare phones
| Global Score | |
| 89.5 | 78.8 |
| Basic Information | |
| Xiaomi | Microsoft |
| -- | Android 10 |
| 2021-05-31 | 2020-09-10 |
| 6.44 x 3.01 x 0.31 inches | 7.36 x 5.72 x 0.19 inches |
| 6.91 ounces | 8.82 ounces |
| Celestial Silver, Cosmic Black and Frosty White | Glacier |
| Glass (Corning Gorilla Glass 5) | Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 540.00 |
| Display / Screen | |
| 6.7 inches | 8.1 inches |
| 2400 x 1080 pixels | 2700 x 1800 pixels |
| AMOLED | AMOLED |
| 393 pixels per inch | 401 pixels per inch |
| 1300 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.1 | 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 | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 10.1 |
| Camera | |
| 108.00 MP + 20.00 MP | 11.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 7680 x 4320 (30 fps) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 3840 x 2160 (60 fps) (4K) slow motion video | -- |
| 12.87 | 8.91 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 4520mAh Battery | 3577mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.4 | 5.52 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Xiaomi Mi 11i has a general score of 89.5, which is better than Microsoft Surface Duo's general score of 78.8. Even though Xiaomi Mi 11i and the Microsoft Surface Duo were released only 9 months apart, the Xiaomi Mi 11i construction is noticeably lighter but much thicker. The Xiaomi Mi 11i has a much better looking display than Microsoft Surface Duo, although it has a quite smaller screen, a way lower resolution of 1080 x 2400px and a just a little worse pixel count in each inch of display.
The Microsoft Surface Duo counts with a processing unit that's very similar to the Xiaomi Mi 11i one, and although the Microsoft Surface Duo has less RAM memory, they both have the same number of cores. The Microsoft Surface Duo features as much memory to install applications and games as Xiaomi Mi 11i, both of them have equal internal memory capacity.
The Xiaomi Mi 11i features a greater camera than Microsoft Surface Duo, because it has a way higher video quality, a much more MP back-facing camera and a bigger aperture for better images and videos in poorly lited situations. Xiaomi Mi 11i has improved battery duration than Microsoft Surface Duo, because it has a 4520mAh battery capacity instead of 3577mAh.
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