Compare phones
| Global Score | |
| 75.2 | 85.3 |
| Basic Information | |
| Xiaomi | Microsoft |
| Android 4.4.3 | Android 11 |
| 2014-07-22 | 2021-09-20 |
| 5.48 x 2.70 x 0.35 inches | 5.72 x 7.26 x 0.22 inches |
| 5.26 ounces | 10.02 ounces |
| Black and White | Glacier and Obsidian |
| -- | Glass (Corning Gorilla Glass) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 329.00 | $ 540.00 |
| Display / Screen | |
| 5 inches | 8.3 inches |
| 1080 x 1920 pixels (Full HD) | 2688 x 1892 pixels |
| IPS LCD | AMOLED |
| 441 pixels per inch | 396 pixels per inch |
| -- | 800 cd/m2 brightness |
| Capacitive, Multi-touch | No touch screen |
| 9.1 | 8.8 |
| Performance | |
| Qualcomm Snapdragon 801 8974-AC chipset | Qualcomm Snapdragon 888 SM8350 (5 nm) chipset |
| Qualcomm Krait 400 (Quad-Core 2500 MHz) processor | Kryo 680, 64-bit (Octa-Core 2840 MHz) processor |
| 3 GB RAM | 8 GB RAM |
| Adreno 330 (450 MHz) GPU | Adreno 660 GPU |
| 9.36 | 9.63 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 7.7 | 10.1 |
| Camera | |
| 13.00 MP + 8.00 MP | 12.00 MP + 12.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| -- | 27.00mm focal length |
| 0.33 inches (1/3.06") sensor | -- |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 1920 x 1080 (60 fps) (Full HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 9.79 | 10.01 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| SIM | Nano SIM, Dual SIM |
| 7 | 10.6 |
| Battery Life | |
| 3080mAh Li-Polymer Battery | 4449mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.04 | 6.32 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.1 |
| GPS | GPS |
| Infra-red port | -- |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Microsoft Surface Duo 2 has an overall score of 85.3, which is better than the Xiaomi Mi 4's overall score of 75.2. Both of these phones work with Android OS, but Microsoft Surface Duo 2 has 11 version while Xiaomi Mi 4 has Android 4.4.3. Microsoft Surface Duo 2's body is notably newer and notably thinner than Xiaomi Mi 4's, but it's also much heavier.
Xiaomi Mi 4 features a bit sharper screen than Microsoft Surface Duo 2, because although it has a lot smaller screen and a way worse resolution of 1920 x 1080, it also counts with a just a bit better amount of pixels per inch in the display. Microsoft Surface Duo 2 has a little better hardware performance than Xiaomi Mi 4, because although it has doesn't have a GPU, it also counts with more RAM and 4 more cpu cores.
The Microsoft Surface Duo 2 has a way bigger memory for games and applications than Xiaomi Mi 4, because it has 128 GB internal memory capacity. The Microsoft Surface Duo 2 counts with a much better battery lifetime than Xiaomi Mi 4, because it has 4449mAh of battery capacity instead of 3080mAh. Microsoft Surface Duo 2 shoots a bit better photographs and videos than Xiaomi Mi 4, because although it has a less megapixels resolution camera in the back and a lower video quality, it also counts with a larger diafragm aperture.
The Microsoft Surface Duo 2 is a lot more expensive than the Xiaomi Mi 4, but you can get a better phone for that extra dollars.
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