Compare phones
| Global Score | |
| 74.1 | 85.3 |
| Basic Information | |
| Xiaomi | Microsoft |
| Android 7.0 Nougat, 6.0 Marshmallow | Android 11 |
| 2017-01-23 | 2021-09-20 |
| 5.94 x 2.99 x 0.33 inches | 5.72 x 7.26 x 0.22 inches |
| 5.82 ounces | 10.02 ounces |
| 16 777 216 | Glacier and Obsidian |
| Aluminum | Glass (Corning Gorilla Glass) |
| -- | Scratch-Resistant Glass |
| $ 190.00 | $ 540.00 |
| Display / Screen | |
| 5.5 inches | 8.3 inches |
| 1920 x 1080 pixels (Full HD) | 2688 x 1892 pixels |
| IPS LCD | AMOLED |
| 401 pixels per inch | 396 pixels per inch |
| 450 cd/m2 brightness | 800 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.4 | 8.8 |
| Performance | |
| Qualcomm Snapdragon 625 8953 chipset | Qualcomm Snapdragon 888 SM8350 (5 nm) chipset |
| ARM Cortex-A53, 64-bit (Octa-Core 2000 MHz) processor | Kryo 680, 64-bit (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| Adreno 506 GPU | Adreno 660 GPU |
| 9.09 | 9.63 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | No SD card slot |
| 10.02 | 10.1 |
| Camera | |
| 13.00 MP + 5.00 MP | 12.00 MP + 12.00 MP |
| f/2.00 aperture | f/1.70 aperture |
| -- | 27.00mm focal length |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 9.02 | 10.01 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G) and HSPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Micro SIM | Nano SIM, Dual SIM |
| 6.1 | 10.6 |
| Battery Life | |
| 4100mAh Li - Polymer Battery | 4449mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6 | 6.32 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.1 |
| GPS | GPS |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Microsoft Surface Duo 2 has a general score of 85.3, which is much better than Xiaomi Redmi Note 4's global score of 74.1. Although the Microsoft Surface Duo 2 is much heavier than Xiaomi Redmi Note 4, it's thinner and a lot newer. These phones have Android operating system, but Microsoft Surface Duo 2 has older 11 version and Xiaomi Redmi Note 4 has Android 7.0 Nougat.
Microsoft Surface Duo 2 counts with a little bit better looking screen than Xiaomi Redmi Note 4, because although it has a little bit worse pixels amount per inch in the display, it also counts with a way better 1892 x 2688 resolution, a way bigger screen and a much brighter display. The Microsoft Surface Duo 2 counts with a bit more powerful processing unit than Xiaomi Redmi Note 4, and although they both have the same number of cores, the Microsoft Surface Duo 2 also has more RAM.
The Microsoft Surface Duo 2 has a slightly bigger memory capacity to install games and applications than Xiaomi Redmi Note 4, because although it has no slot for an external memory card, it also counts with more internal storage capacity. Microsoft Surface Duo 2 has a little better battery life than Xiaomi Redmi Note 4, because it has a 9% larger battery capacity.
Microsoft Surface Duo 2 has a much better camera than Xiaomi Redmi Note 4, because although it has a worse 12 megapixels resolution back camera, it also counts with a bigger aperture and a much better (4K) video definition.
Although Microsoft Surface Duo 2 is a better device, it is way more expensive than the Xiaomi Redmi Note 4, and it doesn't have such a good relation between it's price and quality as Xiaomi Redmi Note 4. If you want to save some money, you can get the Xiaomi Redmi Note 4, letting go a couple features and specs, but you'll get the most with your budget.
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