Compare phones
| Global Score | |
| 89 | 85.3 |
| Basic Information | |
| Xiaomi | Microsoft |
| Android 11 | Android 11 |
| 2021-08-10 | 2021-09-20 |
| 6.40 x 2.97 x 0.31 inches | 5.72 x 7.26 x 0.22 inches |
| 7.94 ounces | 10.02 ounces |
| Ceramic Black, Ceramic White and Shadow Gray | Glacier and Obsidian |
| Aluminum and Ceramic | Glass (Corning Gorilla Glass) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 540.00 |
| Display / Screen | |
| 6.7 inches | 8.3 inches |
| 2400 x 1080 pixels | 2688 x 1892 pixels |
| AMOLED | AMOLED |
| 393 pixels per inch | 396 pixels per inch |
| -- | 800 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 8.8 |
| Performance | |
| Qualcomm Snapdragon 888+ SM8350-AC chipset | Qualcomm Snapdragon 888 SM8350 (5 nm) chipset |
| Kryo 680 Prime, 64-bit, 5 nm (Octa-Core 3000 MHz) processor | Kryo 680, 64-bit (Octa-Core 2840 MHz) processor |
| 8 GB RAM | 8 GB RAM |
| Adreno 660 GPU | Adreno 660 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 | 12.00 MP + 12.00 MP |
| f/1.90 aperture | f/1.70 aperture |
| 24.00mm focal length | 27.00mm 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 | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 13.75 | 10.01 |
| 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 | |
| 4500mAh Li - Ion Battery | 4449mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.32 | 6.32 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.1 |
| 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
The Xiaomi Mi Mix 4 is just a bit better than Microsoft Surface Duo 2, with an 89 score against 85.3. Both devices we are comparing here include the same Android 11 OS (Operating System), so both should provide the user identical operating system features. Xiaomi Mi Mix 4's design is notably thicker but noticeably lighter than Microsoft Surface Duo 2, and both of them were only released with a couple of months difference.
Xiaomi Mi Mix 4 features a bit better hardware performance than Microsoft Surface Duo 2. Both of them have 8 GB of RAM memory and 8 cpu cores. Microsoft Surface Duo 2 has a little bit better screen than Xiaomi Mi Mix 4, because it has a larger screen, a just a bit more pixels per inch of display and a better resolution of 1892 x 2688 pixels.
The Xiaomi Mi Mix 4 features a greater camera than Microsoft Surface Duo 2, because although it has a smaller aperture which is not good for taking pictures in low-light situations, it also counts with a lot better video resolution and a camera in the back with lot more megapixels. Microsoft Surface Duo 2 and Xiaomi Mi Mix 4 both feature really similar storage to store more games and applications, both of them have exactly the same internal storage.
The Microsoft Surface Duo 2 and Xiaomi Mi Mix 4 count with incredibly similar batteries, although the Microsoft Surface Duo 2 has 4449mAh of battery capacity instead of 4500mAh.
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