Compare phones
| Global Score | |
| 78.8 | 78.2 |
| Basic Information | |
| Microsoft | Xiaomi |
| Android 10 | Android 10 |
| 2020-09-10 | 2021-01-18 |
| 7.36 x 5.72 x 0.19 inches | 6.39 x 3.04 x 0.38 inches |
| 8.82 ounces | 6.98 ounces |
| Glacier | Carbon gray, Ocean green, Sunrise orange and Twilight blue |
| Glass (Corning Gorilla Glass 5) | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 540.00 | -- |
| Display / Screen | |
| 8.1 inches | 6.5 inches |
| 2700 x 1800 pixels | 2340 x 1080 pixels |
| AMOLED | IPS LCD |
| 401 pixels per inch | 396 pixels per inch |
| No touch screen | No touch screen |
| 8.2 | 8 |
| Performance | |
| Qualcomm Snapdragon 855 SM8150 chipset | Qualcomm Snapdragon 662 SM6115 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Adreno 640 GPU | Adreno 610 GPU |
| 9.63 | 9.09 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 11.74 |
| Camera | |
| 11.00 MP | 48.00 MP + 8.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| -- | 0.5 inches (1/2") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 8.91 | 10.78 |
| 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 | |
| 3577mAh Battery | 6000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.52 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Microsoft Surface Duo has a general score of 78.8, which is a little bit better than Xiaomi Redmi 9T's general score of 78.2. Both phones in this comparison review have the same Android 10 OS (operating system), so you shouldn't perceive any difference regarding that. Even though Microsoft Surface Duo and the Xiaomi Redmi 9T were released with only a couple months difference, the Microsoft Surface Duo construction is noticeably heavier but also way thinner than the Xiaomi Redmi 9T.
Microsoft Surface Duo counts with a bit better screen than Xiaomi Redmi 9T, because it has a better resolution of 1800 x 2700, a bigger display and a just a bit better count of pixels in each display inch. The Microsoft Surface Duo features a little faster processing unit than Xiaomi Redmi 9T, and although they both have 8 cores, the Microsoft Surface Duo also has a larger amount of RAM.
Xiaomi Redmi 9T captures much better videos and photos than Microsoft Surface Duo, because although it has worse video frame rate, and they both have the same 1920x1080 (Full HD) video quality, the Xiaomi Redmi 9T also counts with a much higher resolution back-facing camera and a larger aperture.
The Xiaomi Redmi 9T has a better memory capacity for games and applications than Microsoft Surface Duo, because although it has only 64 GB internal storage capacity, it also counts with a SD memory slot that holds a maximum of 512 GB. Xiaomi Redmi 9T counts with a much better battery life than Microsoft Surface Duo, because it has 6000mAh of battery capacity.
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