Compare phones
| Global Score | |
| 75 | 78.8 |
| Basic Information | |
| Xiaomi | Microsoft |
| Android 9.0 Pie, 8.1 Oreo, 8.0 Oreo, 7.1 Nougat | Android 10 |
| 2017-09-12 | 2020-09-10 |
| 6.12 x 2.98 x 0.29 inches | 7.36 x 5.72 x 0.19 inches |
| 5.82 ounces | 8.82 ounces |
| Black, Gold and Pink | Glacier |
| Metal | Glass (Corning Gorilla Glass 5) |
| -- | Scratch-Resistant Glass |
| -- | $ 540.00 |
| Display / Screen | |
| 5.5 inches | 8.1 inches |
| 1920 x 1080 pixels (Full HD) | 2700 x 1800 pixels |
| IPS LCD | AMOLED |
| 401 pixels per inch | 401 pixels per inch |
| 450 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8.2 |
| Performance | |
| Qualcomm Snapdragon 625 8953 chipset | Qualcomm Snapdragon 855 SM8150 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2000 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Adreno 506 GPU | Adreno 640 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 | 11.00 MP |
| f/2.20 aperture | f/2.00 aperture |
| 26.00mm 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 | -- |
| 9.35 | 8.91 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.1 | 6.7 |
| Battery Life | |
| 3080mAh Li - Ion Battery | 3577mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.04 | 5.52 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| 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
The Microsoft Surface Duo is a bit better than Xiaomi Mi A1, with a 78.8 score against 75. Microsoft Surface Duo's body is a lot newer and noticeably thinner, but way heavier than the Xiaomi Mi A1. Both of these devices come with Android OS (Operating System), but Microsoft Surface Duo has an older 10 version while Xiaomi Mi A1 has Android 9.0 Pie version.
The Xiaomi Mi A1 features a bit sharper display than Microsoft Surface Duo, although it has a really smaller screen and a way worse 1080 x 1920 resolution, they both have a higher pixels number per inch in the screen. The Microsoft Surface Duo has a little bit better hardware performance than Xiaomi Mi A1, and although they both have 8 cores, the Microsoft Surface Duo also has 2 GB more RAM.
The Xiaomi Mi A1 has a bit more memory for applications and games than Microsoft Surface Duo, because although it has less internal storage capacity, it also counts with a SD memory card expansion slot that supports up to 256 GB. Xiaomi Mi A1 takes a bit better photos and videos than Microsoft Surface Duo, because although it has slower 30 frames per second video frame rates and a tinier diafragm aperture which is not so good for taking pictures and videos in poorly lited situations, and they both have the same (4K) video quality, the Xiaomi Mi A1 also counts with a more mega-pixels camera.
The Microsoft Surface Duo features just a bit better battery lifetime than Xiaomi Mi A1, because it has a 3577mAh battery size.
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