Compare phones
| Global Score | |
| 85.3 | 78.2 |
| Basic Information | |
| Microsoft | Xiaomi |
| Android 11 | Android 10 |
| 2021-09-20 | 2021-01-18 |
| 5.72 x 7.26 x 0.22 inches | 6.39 x 3.04 x 0.38 inches |
| 10.02 ounces | 6.98 ounces |
| Glacier and Obsidian | Carbon gray, Ocean green, Sunrise orange and Twilight blue |
| Glass (Corning Gorilla Glass) | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 540.00 | -- |
| Display / Screen | |
| 8.3 inches | 6.5 inches |
| 2688 x 1892 pixels | 2340 x 1080 pixels |
| AMOLED | IPS LCD |
| 396 pixels per inch | 396 pixels per inch |
| 800 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.8 | 8 |
| Performance | |
| Qualcomm Snapdragon 888 SM8350 (5 nm) chipset | Qualcomm Snapdragon 662 SM6115 chipset |
| Kryo 680, 64-bit (Octa-Core 2840 MHz) processor | Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 660 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 | |
| 12.00 MP + 12.00 MP | 48.00 MP + 8.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 27.00mm focal length | -- |
| -- | 0.5 inches (1/2") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | -- |
| 10.01 | 10.78 |
| 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+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 4449mAh Battery | 6000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 7.52 |
| Other Features | |
| Bluetooth 5.1 | 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
Microsoft Surface Duo 2 is just a bit better than the Xiaomi Redmi 9T, with a general score of 85.3 against 78.2. The Microsoft Surface Duo 2 construction is a lot thinner but heavier than the Xiaomi Redmi 9T, and both of them were released with only a couple months difference. Both phones in our current comparison come with Android OS, but Microsoft Surface Duo 2 has a newer 11 version while Xiaomi Redmi 9T has Android 10, giving a lot of extra features.
Microsoft Surface Duo 2 features a little bit better screen than Xiaomi Redmi 9T, and although they both have a better number of pixels per display inch, the Microsoft Surface Duo 2 also has a way better 1892 x 2688 pixels resolution and a bigger display. Microsoft Surface Duo 2 has a bit superior processor than Xiaomi Redmi 9T, and although they both have a Octa-Core processor, the Microsoft Surface Duo 2 also has a higher amount of RAM.
Xiaomi Redmi 9T counts with a bigger storage to install applications and games than Microsoft Surface Duo 2, because although it has just 64 GB internal memory, it also counts with a slot for SD memory cards that supports a maximum of 512 GB. Xiaomi Redmi 9T counts with improved battery duration than Microsoft Surface Duo 2, because it has a 6000mAh battery capacity.
Xiaomi Redmi 9T shoots a little bit better pictures and videos than Microsoft Surface Duo 2, because although it has a smaller aperture and slower video frame rate, and they both have the same (Full HD) video resolution, the Xiaomi Redmi 9T also counts with a lot more MP back facing camera.
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