Compare phones
| Global Score | |
| 78.2 | 85.3 |
| Basic Information | |
| Xiaomi | Microsoft |
| Android 10 | Android 11 |
| 2021-01-18 | 2021-09-20 |
| 6.39 x 3.04 x 0.38 inches | 5.72 x 7.26 x 0.22 inches |
| 6.98 ounces | 10.02 ounces |
| Carbon gray, Ocean green, Sunrise orange and Twilight blue | Glacier and Obsidian |
| Plastic and Plastic | Glass (Corning Gorilla Glass) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 540.00 |
| Display / Screen | |
| 6.5 inches | 8.3 inches |
| 2340 x 1080 pixels | 2688 x 1892 pixels |
| IPS LCD | AMOLED |
| 396 pixels per inch | 396 pixels per inch |
| -- | 800 cd/m2 brightness |
| No touch screen | No touch screen |
| 8 | 8.8 |
| Performance | |
| Qualcomm Snapdragon 662 SM6115 chipset | Qualcomm Snapdragon 888 SM8350 (5 nm) chipset |
| Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor | Kryo 680, 64-bit (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| Adreno 610 GPU | Adreno 660 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 | 12.00 MP + 12.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| -- | 27.00mm focal length |
| 0.5 inches (1/2") sensor | -- |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 10.78 | 10.01 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 10.6 |
| Battery Life | |
| 6000mAh Battery | 4449mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.1 |
| 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 2 is a little bit better than Xiaomi Redmi 9T, having an 85.3 score against 78.2. These devices have Android OS, but the Microsoft Surface Duo 2 has the newer 11 version while Xiaomi Redmi 9T has Android 10, so it offers a couple additional features and performance improvements. Even though Microsoft Surface Duo 2 and the Xiaomi Redmi 9T were only released 8 months apart, Microsoft Surface Duo 2's construction is noticeably thinner but also a lot heavier than the Xiaomi Redmi 9T.
Microsoft Surface Duo 2 has a bit better hardware performance than Xiaomi Redmi 9T, and although they both have the same number of cores, the Microsoft Surface Duo 2 also has a larger amount of RAM memory. The Microsoft Surface Duo 2 counts with a bit better display than Xiaomi Redmi 9T, and although they both have a greater amount of pixels per inch of screen, the Microsoft Surface Duo 2 also has a larger display and a lot higher resolution of 1892 x 2688.
Xiaomi Redmi 9T features a bit better camera than Microsoft Surface Duo 2, because although it has a tinier camera aperture and slower 30 frames per second video frame rates, and they both have the same 1920x1080 (Full HD) video quality, the Xiaomi Redmi 9T also counts with a camera in the back with way more megapixels.
The Xiaomi Redmi 9T features a quite bigger storage to install applications and games or saving photos and videos than Microsoft Surface Duo 2, because although it has just 64 GB internal memory capacity, it also counts with an external SD slot that holds up to 512 GB. The Xiaomi Redmi 9T has better battery lifetime than Microsoft Surface Duo 2, because it has a 35% bigger battery capacity.
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