Compare phones
| Global Score | |
| 78.2 | 78.8 |
| Basic Information | |
| Xiaomi | Microsoft |
| Android 10 | Android 10 |
| 2021-01-18 | 2020-09-10 |
| 6.39 x 3.04 x 0.38 inches | 7.36 x 5.72 x 0.19 inches |
| 6.98 ounces | 8.82 ounces |
| Carbon gray, Ocean green, Sunrise orange and Twilight blue | Glacier |
| Plastic and Plastic | Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 540.00 |
| Display / Screen | |
| 6.5 inches | 8.1 inches |
| 2340 x 1080 pixels | 2700 x 1800 pixels |
| IPS LCD | AMOLED |
| 396 pixels per inch | 401 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8.2 |
| Performance | |
| Qualcomm Snapdragon 662 SM6115 chipset | Qualcomm Snapdragon 855 SM8150 chipset |
| Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Adreno 610 GPU | Adreno 640 GPU |
| 9.09 | 9.63 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 10.1 |
| Camera | |
| 48.00 MP + 8.00 MP | 11.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 0.5 inches (1/2") sensor | -- |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 10.78 | 8.91 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 6000mAh Battery | 3577mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 5.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Microsoft Surface Duo has a score of 78.8, which is slightly better than the Xiaomi Redmi 9T's global score of 78.2. The Microsoft Surface Duo construction is incredibly heavier but a lot thinner than Xiaomi Redmi 9T, and they were released only a few months apart. Both phones in our current comparison work with the same Android 10 OS (operating system), so both should give identical OS features.
Microsoft Surface Duo counts with a little better performance than Xiaomi Redmi 9T, and although they both have the same number of cores, the Microsoft Surface Duo also has a higher amount of RAM memory. Microsoft Surface Duo has a bit more vivid display than Xiaomi Redmi 9T, because it has a larger display, a better resolution of 1800 x 2700 pixels and a bit better display pixel density.
Xiaomi Redmi 9T features a lot better camera than Microsoft Surface Duo, because although it has worse video frame rates, and they both have the same video definition, the Xiaomi Redmi 9T also counts with a bigger aperture to capture better low light images and a much more MP back camera. The Xiaomi Redmi 9T features a better storage capacity for applications, games, photos and videos than Microsoft Surface Duo, because although it has just 64 GB internal memory capacity, it also counts with a slot for external memory cards that holds up to 512 GB.
The Xiaomi Redmi 9T counts with a way better battery duration than Microsoft Surface Duo, because it has a 6000mAh battery size instead of 3577mAh.
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