Compare phones
| Global Score | |
| 83 | 78.8 |
| Basic Information | |
| Xiaomi | Microsoft |
| Android 10 | Android 10 |
| 2021-01-18 | 2020-09-10 |
| 6.37 x 3.04 x 0.36 inches | 7.36 x 5.72 x 0.19 inches |
| 7.02 ounces | 8.82 ounces |
| Daybreak purple and Nightfall black | Glacier |
| Plastic | Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 540.00 |
| Display / Screen | |
| 6.5 inches | 8.1 inches |
| 2340 x 1080 pixels | 2700 x 1800 pixels |
| IPS LCD | AMOLED |
| 396 pixels per inch | 401 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.2 |
| Performance | |
| MediaTek Dimensity 800U chipset | Qualcomm Snapdragon 855 SM8150 chipset |
| ARM Cortex-A76 and ARM Cortex-A55, 64-bit, 7 nm (Octa-Core 2400 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Mali-G57 MC3 GPU | Adreno 640 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 | 11.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 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 | -- |
| 11.55 | 8.91 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, 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 |
| 10.7 | 6.7 |
| Battery Life | |
| 5000mAh Battery | 3577mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 5.52 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.0 |
| 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
Xiaomi Redmi Note 9T has a general score of 83, which is a little bit better than Microsoft Surface Duo's general score of 78.8. The Xiaomi Redmi Note 9T design is incredibly lighter but thicker than Microsoft Surface Duo, and both were released only 4 months apart. Both phones in this comparison review have the same Android 10 OS, so they should provide very similar operating system features.
The Microsoft Surface Duo counts with a slightly better looking screen than Xiaomi Redmi Note 9T, because it has a larger screen, a bit better number of pixels per inch of display and a higher resolution of 1800 x 2700 pixels. The Xiaomi Redmi Note 9T counts with a quite bigger memory capacity to store more games and applications than Microsoft Surface Duo, because although it has only 64 GB internal storage, it also counts with a slot for an SD memory card that allows up to 512 GB.
Microsoft Surface Duo has a little faster processor than Xiaomi Redmi Note 9T, and although they both have the same number of cores, the Microsoft Surface Duo also has more RAM memory. Xiaomi Redmi Note 9T features a very superior battery duration than Microsoft Surface Duo, because it has 5000mAh of battery capacity.
Xiaomi Redmi Note 9T counts with a lot better camera than Microsoft Surface Duo, because although it has worse 30 fps video frame rate, and they both have the same 3840x2160 (4K) video resolution, the Xiaomi Redmi Note 9T also counts with a larger aperture to capture better low-light images and a back camera with a much higher 48 mega pixels resolution.
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