Compare phones
| Global Score | |
| 85.3 | 83 |
| Basic Information | |
| Microsoft | Xiaomi |
| Android 11 | Android 10 |
| 2021-09-20 | 2021-01-18 |
| 5.72 x 7.26 x 0.22 inches | 6.37 x 3.04 x 0.36 inches |
| 10.02 ounces | 7.02 ounces |
| Glacier and Obsidian | Daybreak purple and Nightfall black |
| Glass (Corning Gorilla Glass) | 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 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 888 SM8350 (5 nm) chipset | MediaTek Dimensity 800U chipset |
| Kryo 680, 64-bit (Octa-Core 2840 MHz) processor | ARM Cortex-A76 and ARM Cortex-A55, 64-bit, 7 nm (Octa-Core 2400 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 660 GPU | Mali-G57 MC3 GPU |
| 9.63 | 9.36 |
| 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 + 13.00 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 | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1920 x 1080 (120 fps) (Full HD) slow motion video |
| 10.01 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 10.6 | 10.7 |
| Battery Life | |
| 4449mAh Battery | 5000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 6.8 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.1 |
| GPS | GPS |
| -- | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Microsoft Surface Duo 2 has a score of 85.3, which is just a bit better than Xiaomi Redmi Note 9T's 83 overall score. These phones have Android OS (operating system), but the Microsoft Surface Duo 2 has the newer 11 version while Xiaomi Redmi Note 9T has Android 10, providing you a couple additional features. Microsoft Surface Duo 2's construction is noticeably thinner but much heavier than the Xiaomi Redmi Note 9T, and they were released with only a couple months difference.
Microsoft Surface Duo 2 has a little more vivid screen than Xiaomi Redmi Note 9T, and although they both have a better count of pixels per inch in the display, the Microsoft Surface Duo 2 also has a much better 1892 x 2688px resolution and a larger display. The Microsoft Surface Duo 2 counts with a bit superior processing unit than Xiaomi Redmi Note 9T, and although they both have the same number of cores, the Microsoft Surface Duo 2 also has more RAM.
Xiaomi Redmi Note 9T has a much better camera than Microsoft Surface Duo 2, because although it has a smaller aperture which is not recommended for low-light photography and lower 30 frames per second video frame rate, and they both have the same video quality, the Xiaomi Redmi Note 9T also counts with a back-facing camera with a lot better resolution.
Xiaomi Redmi Note 9T features a quite bigger storage to store more apps and games than Microsoft Surface Duo 2, because although it has 0 less internal storage, it also counts with a SD extension slot that admits a maximum of 512 GB. The Xiaomi Redmi Note 9T features a bit superior battery lifetime than Microsoft Surface Duo 2, because it has 5000mAh of battery capacity instead of 4449mAh.
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