Compare phones
| Global Score | |
| 75 | 85.3 |
| Basic Information | |
| Xiaomi | Microsoft |
| Android 9.0 Pie, 8.1 Oreo, 8.0 Oreo, 7.1 Nougat | Android 11 |
| 2017-09-12 | 2021-09-20 |
| 6.12 x 2.98 x 0.29 inches | 5.72 x 7.26 x 0.22 inches |
| 5.82 ounces | 10.02 ounces |
| Black, Gold and Pink | Glacier and Obsidian |
| Metal | Glass (Corning Gorilla Glass) |
| -- | Scratch-Resistant Glass |
| -- | $ 540.00 |
| Display / Screen | |
| 5.5 inches | 8.3 inches |
| 1920 x 1080 pixels (Full HD) | 2688 x 1892 pixels |
| IPS LCD | AMOLED |
| 401 pixels per inch | 396 pixels per inch |
| 450 cd/m2 brightness | 800 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.4 | 8.8 |
| Performance | |
| Qualcomm Snapdragon 625 8953 chipset | Qualcomm Snapdragon 888 SM8350 (5 nm) chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2000 MHz) processor | Kryo 680, 64-bit (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| Adreno 506 GPU | Adreno 660 GPU |
| 9.09 | 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 + 5.00 MP | 12.00 MP + 12.00 MP |
| f/2.20 aperture | f/1.70 aperture |
| 26.00mm focal length | 27.00mm focal length |
| 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 | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 9.35 | 10.01 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.1 | 10.6 |
| Battery Life | |
| 3080mAh Li - Ion Battery | 4449mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.04 | 6.32 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.1 |
| GPS | GPS |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Microsoft Surface Duo 2 is better than Xiaomi Mi A1, getting a global score of 85.3 against 75. Both devices in our current comparison come with Android OS (operating system), but Microsoft Surface Duo 2 has older 11 version while Xiaomi Mi A1 has Android 9.0 Pie version. Even though the Microsoft Surface Duo 2 is extremely heavier than the Xiaomi Mi A1, it's thinner and also extremely newer.
The Microsoft Surface Duo 2 has a bit better looking display than Xiaomi Mi A1, because although it has a quite lower display pixel density, it also counts with a lot larger screen, much more display brightness and a lot higher 1892 x 2688 resolution. Microsoft Surface Duo 2 has a little bit better processing power than Xiaomi Mi A1, and although they both have a Octa-Core processing unit, the Microsoft Surface Duo 2 also has 4 GB more RAM memory.
Microsoft Surface Duo 2 captures slightly better pictures and videos than Xiaomi Mi A1, and although they both have the same video resolution and the same resolution back camera, the Microsoft Surface Duo 2 also has faster video frame rates and a way larger camera aperture to capture better photography in low light environments.
Xiaomi Mi A1 features slightly more memory to install applications and games or saving photos and videos than Microsoft Surface Duo 2, because although it has just 64 GB internal storage capacity, it also counts with a SD card slot that admits a maximum of 256 GB. The Microsoft Surface Duo 2 counts with a much better battery performance than Xiaomi Mi A1, because it has 4449mAh of battery capacity.
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