Compare phones
| Global Score | |
| 85.3 | 81.4 |
| Basic Information | |
| Microsoft | Xiaomi |
| Android 11 | Android 9.0 Pie |
| 2021-09-20 | 2019-04-15 |
| 5.72 x 7.26 x 0.22 inches | 5.81 x 2.78 x 0.29 inches |
| 10.02 ounces | 5.47 ounces |
| Glacier and Obsidian | 16 777 216 |
| Glass (Corning Gorilla Glass) | -- |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 540.00 | -- |
| Display / Screen | |
| 8.3 inches | 6 inches |
| 2688 x 1892 pixels | 2340 x 1080 pixels |
| AMOLED | AMOLED |
| 396 pixels per inch | 430 pixels per inch |
| 800 cd/m2 brightness | 600 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.8 | 8.7 |
| Performance | |
| Qualcomm Snapdragon 888 SM8350 (5 nm) chipset | Qualcomm Snapdragon 712 SDM712 chipset |
| Kryo 680, 64-bit (Octa-Core 2840 MHz) processor | Kryo 360, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 6 GB RAM |
| Adreno 660 GPU | Adreno 616 GPU |
| 9.63 | 9.36 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 10.1 |
| Camera | |
| 12.00 MP + 12.00 MP | 48.00 MP + 20.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 27.00mm focal length | 26.00mm focal length |
| -- | 0.5 inches (1/2") 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 (960 fps) (HD) slow motion video |
| 10.01 | 11.66 |
| 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 and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 10.6 | 6.3 |
| Battery Life | |
| 4449mAh Battery | 3070mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 5.04 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| -- | 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 |
Comparison review
The Microsoft Surface Duo 2 has a global score of 85.3, which is slightly better than Xiaomi Mi 9 SE's 81.4 general score. Both phones we compare here include Android OS, but the Microsoft Surface Duo 2 has 11 version while Xiaomi Mi 9 SE has Android 9.0 Pie. Microsoft Surface Duo 2 is a a lot newer and a lot thinner device than Xiaomi Mi 9 SE, although it is noticeably heavier.
Microsoft Surface Duo 2 has a little better hardware performance than Xiaomi Mi 9 SE, and although they both have a Octa-Core CPU, the Microsoft Surface Duo 2 also has 2 GB more RAM. The Microsoft Surface Duo 2 has a bit sharper display than Xiaomi Mi 9 SE, because although it has a little worse amount of pixels per inch of display, it also counts with a much better 1892 x 2688px resolution, more brightness and a lot larger screen.
Xiaomi Mi 9 SE takes much clearer photographs and videos than Microsoft Surface Duo 2, because although it has a smaller aperture and lower video frame rate, and they both have the same 3840x2160 (4K) video quality, the Xiaomi Mi 9 SE also counts with a way more mega pixels camera. Xiaomi Mi 9 SE's storage for applications and games is just as good as the Microsoft Surface Duo 2 one, both have exactly the same 128 GB internal storage.
The Microsoft Surface Duo 2 has a very superior battery lifetime than Xiaomi Mi 9 SE, because it has 4449mAh of battery capacity.
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