Compare phones
| Global Score | |
| 78.8 | 89 |
| Basic Information | |
| Microsoft | Xiaomi |
| Android 10 | Android 11 |
| 2020-09-10 | 2021-08-10 |
| 7.36 x 5.72 x 0.19 inches | 6.40 x 2.97 x 0.31 inches |
| 8.82 ounces | 7.94 ounces |
| Glacier | Ceramic Black, Ceramic White and Shadow Gray |
| Glass (Corning Gorilla Glass 5) | Aluminum and Ceramic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 540.00 | -- |
| Display / Screen | |
| 8.1 inches | 6.7 inches |
| 2700 x 1800 pixels | 2400 x 1080 pixels |
| AMOLED | AMOLED |
| 401 pixels per inch | 393 pixels per inch |
| No touch screen | No touch screen |
| 8.2 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 855 SM8150 chipset | Qualcomm Snapdragon 888+ SM8350-AC chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | Kryo 680 Prime, 64-bit, 5 nm (Octa-Core 3000 MHz) processor |
| 6 GB RAM | 8 GB RAM |
| Adreno 640 GPU | Adreno 660 GPU |
| 9.63 | 9.72 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 10.1 |
| Camera | |
| 11.00 MP | 108.00 MP + 20.00 MP |
| f/2.00 aperture | f/1.90 aperture |
| -- | 24.00mm focal length |
| -- | 0.75 inches (1/1.33") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| -- | 1920 x 1080 (480 fps) (Full HD) slow motion video |
| 8.91 | 13.75 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 10.6 |
| Battery Life | |
| 3577mAh Battery | 4500mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.52 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Xiaomi Mi Mix 4 is much better than the Microsoft Surface Duo, getting a overall score of 89 against 78.8. The Xiaomi Mi Mix 4 is a newer and just a little lighter cellphone than Microsoft Surface Duo, but it is also extremely thicker. Both of these phones come with Android OS, but the Xiaomi Mi Mix 4 has a more recent 11 version while Microsoft Surface Duo has Android 10 version, so it gives you some extra features and performance tweaks.
The Microsoft Surface Duo has a bit more vivid screen than Xiaomi Mi Mix 4, because it has a bigger display, a better 1800 x 2700 resolution and a little bit higher screen pixel density. Xiaomi Mi Mix 4 counts with a bit more powerful processing unit than Microsoft Surface Duo, and although they both have a Octa-Core processor, the Xiaomi Mi Mix 4 also has a larger amount of RAM.
The Xiaomi Mi Mix 4 and Microsoft Surface Duo have extremely similar storage for applications and games, they have exactly the same internal memory. The Xiaomi Mi Mix 4 counts with a much better camera than Microsoft Surface Duo, because it has a bigger aperture for better low light photography and video, a back-facing camera with much more megapixels and a lot higher 7680x4320 video resolution.
Xiaomi Mi Mix 4 features better battery performance than Microsoft Surface Duo, because it has a 4500mAh battery capacity.
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