Compare phones
| Global Score | |
| 85.3 | 83.3 |
| Basic Information | |
| Microsoft | Xiaomi |
| Android 11 | Android 10, 9.0 Pie, 8.0 Oreo |
| 2021-09-20 | 2018-06-05 |
| 5.72 x 7.26 x 0.22 inches | 6.10 x 2.94 x 0.30 inches |
| 10.02 ounces | 6.17 ounces |
| Glacier and Obsidian | Black, Blue, Gold and White |
| Glass (Corning Gorilla Glass) | Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 540.00 | -- |
| Display / Screen | |
| 8.3 inches | 6.2 inches |
| 2688 x 1892 pixels | 2248 x 1080 pixels |
| AMOLED | AMOLED |
| 396 pixels per inch | 402 pixels per inch |
| 800 cd/m2 brightness | 600 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.8 | 8.6 |
| Performance | |
| Qualcomm Snapdragon 888 SM8350 (5 nm) chipset | Qualcomm Snapdragon 845 SDM845 chipset |
| Kryo 680, 64-bit (Octa-Core 2840 MHz) processor | Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor |
| 8 GB RAM | 6 GB RAM |
| Adreno 660 GPU | Adreno 630 GPU |
| 9.63 | 9.63 |
| Storage | |
| 128 GB internal memory | 256 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 13.3 |
| Camera | |
| 12.00 MP + 12.00 MP | 12.00 MP + 20.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 27.00mm focal length | 56.00mm focal length |
| -- | 0.39 inches (1/2.55") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 10.01 | 9.9 |
| 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 | |
| 4449mAh Battery | 3400mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 5.36 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.0 |
| 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
Microsoft Surface Duo 2 has an overall score of 85.3, which is just a bit better than the Xiaomi Mi 8's 83.3 global score. Both devices we are comparing include Android OS (operating system), but Microsoft Surface Duo 2 has newer 11 version and Xiaomi Mi 8 has Android 10 version. The Microsoft Surface Duo 2 construction is noticeably newer and much thinner, but noticeably heavier than Xiaomi Mi 8.
Microsoft Surface Duo 2 has a bit better looking display than Xiaomi Mi 8, because although it has a just a bit lower pixels density, it also counts with a brighter display, a much higher 1892 x 2688 resolution and a really larger screen. Xiaomi Mi 8 has a very superior memory to install applications and games than Microsoft Surface Duo 2, because it has 256 GB internal memory.
The Microsoft Surface Duo 2 and the Xiaomi Mi 8 both feature really similar processors, and although the Xiaomi Mi 8 has a smaller amount of RAM, they both have the same number of cores. Microsoft Surface Duo 2 features a little bit better camera than Xiaomi Mi 8, and although they both have the same (4K) video quality and a 12 MP back camera, the Microsoft Surface Duo 2 also has a larger camera aperture for better low light photos and faster 60 frames per second video frame rate.
Microsoft Surface Duo 2 counts with longer battery life than Xiaomi Mi 8, because it has a 31% greater battery capacity.
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