Compare phones
| Global Score | |
| 89 | 78.8 |
| Basic Information | |
| Xiaomi | Microsoft |
| Android 11 | Android 10 |
| 2021-08-10 | 2020-09-10 |
| 6.40 x 2.97 x 0.31 inches | 7.36 x 5.72 x 0.19 inches |
| 7.94 ounces | 8.82 ounces |
| Ceramic Black, Ceramic White and Shadow Gray | Glacier |
| Aluminum and Ceramic | 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 |
| No touch screen | No touch screen |
| 8.1 | 8.2 |
| Performance | |
| Qualcomm Snapdragon 888+ SM8350-AC chipset | Qualcomm Snapdragon 855 SM8150 chipset |
| Kryo 680 Prime, 64-bit, 5 nm (Octa-Core 3000 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 |
| 9.72 | 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/1.90 aperture | f/2.00 aperture |
| 24.00mm focal length | -- |
| 0.75 inches (1/1.33") sensor | -- |
| 7680 x 4320 (24 fps) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 1920 x 1080 (480 fps) (Full HD) slow motion video | -- |
| 13.75 | 8.91 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 4500mAh Li - Ion Battery | 3577mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.32 | 5.52 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| 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
Xiaomi Mi Mix 4 has a score of 89, which is much better than the Microsoft Surface Duo's 78.8 global score. Both of these phones include Android operating system, but the Xiaomi Mi Mix 4 has 11 version and Microsoft Surface Duo has Android 10, providing some extra features and optimized performance. Even though the Xiaomi Mi Mix 4 is thicker than Microsoft Surface Duo, it's just a little lighter and newer.
Microsoft Surface Duo counts with a bit better screen than Xiaomi Mi Mix 4, because it has a little better display pixel density, a bigger screen and a better resolution of 1800 x 2700. Microsoft Surface Duo counts with as much storage capacity for games and applications as the Xiaomi Mi Mix 4, both have exactly the same internal storage capacity.
Xiaomi Mi Mix 4 counts with a bit superior processing unit than Microsoft Surface Duo, and although they both have a Octa-Core CPU, the Xiaomi Mi Mix 4 also has a larger amount of RAM. The Xiaomi Mi Mix 4 features a very superior camera than Microsoft Surface Duo, because it has a lot better 7680x4320 video definition, a much more mega-pixels camera and a bigger aperture for better low light photos and video.
The Xiaomi Mi Mix 4 counts with improved battery lifetime than Microsoft Surface Duo, because it has a 4500mAh battery capacity instead of 3577mAh.
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