Compare phones
| Global Score | |
| 71.8 | 78.8 |
| Basic Information | |
| Xiaomi | Microsoft |
| Android 6.0 Marshmallow | Android 10 |
| 2017-02-14 | 2020-09-10 |
| 5.94 x 2.99 x 0.33 inches | 7.36 x 5.72 x 0.19 inches |
| 5.82 ounces | 8.82 ounces |
| 16 777 216 | Glacier |
| Metal | Glass (Corning Gorilla Glass 5) |
| -- | Scratch-Resistant Glass |
| $ 145.00 | $ 540.00 |
| Display / Screen | |
| 5.5 inches | 8.1 inches |
| 1920 x 1080 pixels (Full HD) | 2700 x 1800 pixels |
| IPS LCD | AMOLED |
| 401 pixels per inch | 401 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8.2 |
| Performance | |
| Qualcomm Snapdragon 625 8953 chipset | Qualcomm Snapdragon 855 SM8150 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2000 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| Adreno 506 GPU | Adreno 640 GPU |
| 9.09 | 9.63 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | No SD card slot |
| 8.12 | 10.1 |
| Camera | |
| 13.00 MP + 5.00 MP | 11.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| 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 | -- |
| 9.02 | 8.91 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G) and HSPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Micro SIM | Nano SIM, Dual SIM |
| 6.1 | 6.7 |
| Battery Life | |
| 4100mAh Li - Polymer Battery | 3577mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6 | 5.52 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| 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
Microsoft Surface Duo has a score of 78.8, which is a bit better than Xiaomi Redmi Note 4X's 71.8 global score. Both phones in this comparison use Android operating system, but Microsoft Surface Duo has the previous 10 version while Xiaomi Redmi Note 4X has Android 6.0 Marshmallow version. Microsoft Surface Duo is a noticeably newer and noticeably thinner phone than Xiaomi Redmi Note 4X, although it is way heavier.
Microsoft Surface Duo counts with a little sharper display than Xiaomi Redmi Note 4X, and although they both have the same screen pixel density, the Microsoft Surface Duo also has a lot higher 1800 x 2700 pixels resolution and a way larger screen. The Microsoft Surface Duo counts with a much bigger storage capacity for games and applications than Xiaomi Redmi Note 4X, because although it has no SD card slot, it also counts with 128 GB internal memory capacity.
Microsoft Surface Duo features a little bit better processing power than Xiaomi Redmi Note 4X, and although they both have the same number of cores, the Microsoft Surface Duo also has 3 GB more RAM memory. The Xiaomi Redmi Note 4X features just a little bit longer battery life than Microsoft Surface Duo, because it has 4100mAh of battery capacity.
The Xiaomi Redmi Note 4X shoots slightly better pictures and videos than Microsoft Surface Duo, because although it has worse 30 fps video frame rates, and they both have a F2 aperture and the same (Full HD) video definition, the Xiaomi Redmi Note 4X also counts with a better resolution camera in the back.
Although Microsoft Surface Duo is a better device, it costs a lot more money than Xiaomi Redmi Note 4X, and it doesn't have such a good quality/price relation as Xiaomi Redmi Note 4X. So if you want that extra specs, you can buy Microsoft Surface Duo, else you can save some money and get the Xiaomi Redmi Note 4X, giving up some specifications.
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