Compare phones
| Global Score | |
| 79.2 | 85.3 |
| Basic Information | |
| Xiaomi | Microsoft |
| Android 11, 10, 9.0 Pie | Android 11 |
| 2019-07-24 | 2021-09-20 |
| 6.04 x 2.83 x 0.33 inches | 5.72 x 7.26 x 0.22 inches |
| 6.13 ounces | 10.02 ounces |
| Blue, Gray and White | Glacier and Obsidian |
| Glass (Corning Gorilla Glass 5) and Plastic | Glass (Corning Gorilla Glass) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 540.00 |
| Display / Screen | |
| 6.1 inches | 8.3 inches |
| 1560 x 720 pixels | 2688 x 1892 pixels |
| Super AMOLED | AMOLED |
| 282 pixels per inch | 396 pixels per inch |
| -- | 800 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.3 | 8.8 |
| Performance | |
| Qualcomm Snapdragon 665 chipset | Qualcomm Snapdragon 888 SM8350 (5 nm) chipset |
| Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor | Kryo 680, 64-bit (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| Adreno 610 GPU | Adreno 660 GPU |
| 9.09 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | No SD card slot |
| 13.18 | 10.1 |
| Camera | |
| 48.00 MP + 32.00 MP | 12.00 MP + 12.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| -- | 27.00mm focal length |
| 0.43 inches (1/2.3") sensor | -- |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 11.44 | 10.01 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.7 | 10.6 |
| Battery Life | |
| 4030mAh Battery | 4449mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.1 |
| 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 has a score of 85.3, which is a little bit better than Xiaomi Mi A3's 79.2 score. Both of these phones come with the same Android 11 OS (operating system), so you shouldn't see any differences in that aspect. The Microsoft Surface Duo 2 is a newer and noticeably thinner phone than the Xiaomi Mi A3, but it is noticeably heavier.
Microsoft Surface Duo 2 has a bit better hardware performance than Xiaomi Mi A3, and although they both have a Octa-Core processing unit, the Microsoft Surface Duo 2 also has more RAM. Microsoft Surface Duo 2 has a way better screen than Xiaomi Mi A3, because it has a lot larger display, a much better 1892 x 2688 resolution and more pixels per inch of screen.
Xiaomi Mi A3 has much more memory for applications and games than Microsoft Surface Duo 2, and although they both have exactly the same 128 GB internal storage capacity, the Xiaomi Mi A3 also has a slot for an external memory card that holds up to 256 GB. The Xiaomi Mi A3 takes better photos and videos than Microsoft Surface Duo 2, because although it has worse 30 frames per second video frame rates and a tinier camera aperture, and they both have the same 3840x2160 (4K) video definition, the Xiaomi Mi A3 also counts with a much more mega pixels back-facing camera.
Microsoft Surface Duo 2 features a little better battery performance than Xiaomi Mi A3, because it has a 4449mAh battery size.
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