Compare phones
| Global Score | |
| 74.9 | 78.8 |
| Basic Information | |
| Xiaomi | Microsoft |
| Android 8.1 Oreo | Android 10 |
| 2018-07-19 | 2020-09-10 |
| 6.94 x 3.44 x 0.31 inches | 7.36 x 5.72 x 0.19 inches |
| 7.80 ounces | 8.82 ounces |
| 16 777 216 | Glacier |
| Aluminum | Glass (Corning Gorilla Glass 5) |
| -- | Scratch-Resistant Glass |
| -- | $ 540.00 |
| Display / Screen | |
| 6.9 inches | 8.1 inches |
| 2160 x 1080 pixels | 2700 x 1800 pixels |
| IPS LCD | AMOLED |
| 350 pixels per inch | 401 pixels per inch |
| No touch screen | No touch screen |
| 7.7 | 8.2 |
| Performance | |
| Qualcomm Snapdragon 636 SDM636 chipset | Qualcomm Snapdragon 855 SM8150 chipset |
| Kryo 260, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Adreno 509 GPU | Adreno 640 GPU |
| 8.91 | 9.63 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | No SD card slot |
| 10.78 | 10.1 |
| Camera | |
| 12.00 MP + 8.00 MP | 11.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| 0.39 inches (1/2.55") sensor | -- |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | -- |
| 9.68 | 8.91 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.3 | 6.7 |
| Battery Life | |
| 5500mAh Li - Polymer Battery | 3577mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.2 | 5.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Microsoft Surface Duo has an overall score of 78.8, which is just a bit better than Xiaomi Mi Max 3's 74.9 score. Both devices we compare here work with Android operating system, but the Microsoft Surface Duo has 10 version while Xiaomi Mi Max 3 has Android 8.1 Oreo. The Microsoft Surface Duo is a noticeably newer and thinner cellphone than Xiaomi Mi Max 3, but it's somewhat heavier.
Microsoft Surface Duo counts with a bit superior processing unit than Xiaomi Mi Max 3, and although they both have the same number of cores, the Microsoft Surface Duo also has more RAM. The Microsoft Surface Duo features just a bit better looking display than Xiaomi Mi Max 3, because it has a much higher resolution of 1800 x 2700px, a bit higher display pixels density and a bigger display.
Xiaomi Mi Max 3 features a slightly bigger storage for games and applications than Microsoft Surface Duo, because although it has 0 less internal storage, it also counts with a slot for SD memory cards that allows up to 256 GB. Xiaomi Mi Max 3 counts with a little bit better camera than Microsoft Surface Duo, because although it has slower video frame rate, and they both have the same 3840x2160 video resolution, the Xiaomi Mi Max 3 also counts with a larger aperture and a more megapixels camera in the back.
The Xiaomi Mi Max 3 features a way better battery duration than Microsoft Surface Duo, because it has a 5500mAh battery size instead of 3577mAh.
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