Compare phones
| Global Score | |
| 85.3 | 79.2 |
| Basic Information | |
| Microsoft | Xiaomi |
| Android 11 | Android 11, 10, 9.0 Pie |
| 2021-09-20 | 2019-07-24 |
| 5.72 x 7.26 x 0.22 inches | 6.04 x 2.83 x 0.33 inches |
| 10.02 ounces | 6.13 ounces |
| Glacier and Obsidian | Blue, Gray and White |
| Glass (Corning Gorilla Glass) | Glass (Corning Gorilla Glass 5) and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 540.00 | -- |
| Display / Screen | |
| 8.3 inches | 6.1 inches |
| 2688 x 1892 pixels | 1560 x 720 pixels |
| AMOLED | Super AMOLED |
| 396 pixels per inch | 282 pixels per inch |
| 800 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.8 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 888 SM8350 (5 nm) chipset | Qualcomm Snapdragon 665 chipset |
| Kryo 680, 64-bit (Octa-Core 2840 MHz) processor | Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 660 GPU | Adreno 610 GPU |
| 9.63 | 9.09 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 256 GB) external memory slot |
| 10.1 | 13.18 |
| Camera | |
| 12.00 MP + 12.00 MP | 48.00 MP + 32.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 27.00mm focal length | -- |
| -- | 0.43 inches (1/2.3") 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 (240 fps) (HD) slow motion video |
| 10.01 | 11.44 |
| 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 |
| 10.6 | 6.7 |
| Battery Life | |
| 4449mAh Battery | 4030mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 5.92 |
| Other Features | |
| Bluetooth 5.1 | 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 2 is slightly better than the Xiaomi Mi A3, having a score of 85.3 against 79.2. Both of these phones come with the same Android 11 OS (Operating System). Even though Microsoft Surface Duo 2 is a lot heavier than Xiaomi Mi A3, it's extremely thinner and also notably newer.
Microsoft Surface Duo 2 features a lot better display than Xiaomi Mi A3, because it has a much better resolution of 1892 x 2688px, a really bigger display and more pixels per inch in the screen. Xiaomi Mi A3 has much more storage capacity to install games and applications than Microsoft Surface Duo 2, and although they both have exactly the same 128 GB internal memory, the Xiaomi Mi A3 also has a slot for an SD memory card that admits a maximum of 256 GB.
The Microsoft Surface Duo 2 features a bit better hardware performance than Xiaomi Mi A3, and although they both have the same number of cores, the Microsoft Surface Duo 2 also has a larger amount of RAM. Microsoft Surface Duo 2 counts with just a bit longer battery lifetime than Xiaomi Mi A3, because it has a 10 percent bigger battery size.
Xiaomi Mi A3 takes much better photographs and videos than Microsoft Surface Duo 2, because although it has a tinier diafragm aperture which is not so good for taking photographs in low-light situations and lower video frame rate, and they both have the same 3840x2160 video resolution, the Xiaomi Mi A3 also counts with a back facing camera with way more mega pixels.
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