Compare phones
| Global Score | |
| 83 | 85.3 |
| Basic Information | |
| Xiaomi | Microsoft |
| Android 10 | Android 11 |
| 2021-01-18 | 2021-09-20 |
| 6.37 x 3.04 x 0.36 inches | 5.72 x 7.26 x 0.22 inches |
| 7.02 ounces | 10.02 ounces |
| Daybreak purple and Nightfall black | Glacier and Obsidian |
| 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 |
| 8.1 | 8.8 |
| Performance | |
| MediaTek Dimensity 800U chipset | Qualcomm Snapdragon 888 SM8350 (5 nm) chipset |
| ARM Cortex-A76 and ARM Cortex-A55, 64-bit, 7 nm (Octa-Core 2400 MHz) processor | Kryo 680, 64-bit (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| Mali-G57 MC3 GPU | Adreno 660 GPU |
| 9.36 | 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 + 13.00 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 | -- |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 1920 x 1080 (120 fps) (Full HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 11.55 | 10.01 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, 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 |
| 10.7 | 10.6 |
| Battery Life | |
| 5000mAh Battery | 4449mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 6.32 |
| 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 an overall score of 85.3, which is a little bit better than the Xiaomi Redmi Note 9T's general score of 83. Although Microsoft Surface Duo 2 and Xiaomi Redmi Note 9T were released only a couple of months apart, Microsoft Surface Duo 2's design is noticeably thinner but notably heavier. Both of these phones include Android operating system, but Microsoft Surface Duo 2 has newer 11 version and Xiaomi Redmi Note 9T has Android 10 version.
The Microsoft Surface Duo 2 has a little faster processing unit than Xiaomi Redmi Note 9T, and although they both have a Octa-Core CPU, the Microsoft Surface Duo 2 also has a greater amount of RAM memory. Microsoft Surface Duo 2 counts with a little sharper screen than Xiaomi Redmi Note 9T, and although they both have a better amount of pixels per display inch, the Microsoft Surface Duo 2 also has a much better 1892 x 2688 resolution and a bigger screen.
Xiaomi Redmi Note 9T features a bigger memory for games and applications than Microsoft Surface Duo 2, because although it has only 64 GB internal memory capacity, it also counts with a slot for an external memory card that supports up to 512 GB. Xiaomi Redmi Note 9T counts with a superior camera than Microsoft Surface Duo 2, because although it has a tinier camera aperture which is not so good for capturing photographs and/or video in poorly lited situations and worse 30 frames per second video frame rate, and they both have the same 3840x2160 video definition, the Xiaomi Redmi Note 9T also counts with a camera with much more MP.
The Xiaomi Redmi Note 9T counts with a little better battery performance than Microsoft Surface Duo 2, because it has a 5000mAh battery capacity against 4449mAh.
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