Compare phones
| Global Score | |
| 85.3 | 89 |
| Basic Information | |
| Microsoft | Xiaomi |
| Android 11 | Android 11 |
| 2021-09-20 | 2021-08-10 |
| 5.72 x 7.26 x 0.22 inches | 6.40 x 2.97 x 0.31 inches |
| 10.02 ounces | 7.94 ounces |
| Glacier and Obsidian | Ceramic Black, Ceramic White and Shadow Gray |
| Glass (Corning Gorilla Glass) | Aluminum and Ceramic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 540.00 | -- |
| Display / Screen | |
| 8.3 inches | 6.7 inches |
| 2688 x 1892 pixels | 2400 x 1080 pixels |
| AMOLED | AMOLED |
| 396 pixels per inch | 393 pixels per inch |
| 800 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.8 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 888 SM8350 (5 nm) chipset | Qualcomm Snapdragon 888+ SM8350-AC chipset |
| Kryo 680, 64-bit (Octa-Core 2840 MHz) processor | Kryo 680 Prime, 64-bit, 5 nm (Octa-Core 3000 MHz) processor |
| 8 GB RAM | 8 GB RAM |
| Adreno 660 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 | |
| 12.00 MP + 12.00 MP | 108.00 MP + 20.00 MP |
| f/1.70 aperture | f/1.90 aperture |
| 27.00mm focal length | 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 (240 fps) (Full HD) slow motion video | 1920 x 1080 (480 fps) (Full HD) slow motion video |
| 10.01 | 13.75 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 10.6 | 10.6 |
| Battery Life | |
| 4449mAh Battery | 4500mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.32 | 6.32 |
| Other Features | |
| Bluetooth 5.1 | 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
The Xiaomi Mi Mix 4 is a bit better than the Microsoft Surface Duo 2, getting an 89 score against 85.3. Even though the Xiaomi Mi Mix 4 and Microsoft Surface Duo 2 were only released 1 months apart, the Xiaomi Mi Mix 4 design is way lighter but also notably thicker than Microsoft Surface Duo 2. These phones work with the same Android 11 OS (Operating System), so both of them should count with very similar operating system features.
The Microsoft Surface Duo 2 has a slightly better display than Xiaomi Mi Mix 4, because it has a better 1892 x 2688 resolution, a larger display and a little bit higher screen density. The Xiaomi Mi Mix 4 has as much memory for apps and games as the Microsoft Surface Duo 2 one, both have equal 128 GB internal memory.
Xiaomi Mi Mix 4 counts with a bit better processor than Microsoft Surface Duo 2. They have 8 GB of RAM and 8 CPU cores. Xiaomi Mi Mix 4 shoots a lot better pictures and videos than Microsoft Surface Duo 2, because although it has a smaller aperture which is worse for shooting pictures and/or video in low light environments, it also counts with a way more megapixels camera in the back and a lot better video resolution.
Xiaomi Mi Mix 4's battery duration is just as good as the Microsoft Surface Duo 2 one, although the Xiaomi Mi Mix 4 also has 4500mAh of battery capacity.
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