Compare phones
| Global Score | |
| 88 | 78.8 |
| Basic Information | |
| Samsung | Microsoft |
| Android 11, 10 | Android 10 |
| 2020-08-06 | 2020-09-10 |
| 6.27 x 2.93 x 0.37 inches | 7.36 x 5.72 x 0.19 inches |
| 7.16 ounces | 8.82 ounces |
| Mirage black and Mirage blue | Glacier |
| -- | Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 540.00 |
| Display / Screen | |
| 6.5 inches | 8.1 inches |
| 2400 x 1080 pixels | 2700 x 1800 pixels |
| Super AMOLED | AMOLED |
| 405 pixels per inch | 401 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.2 |
| Performance | |
| Samsung Exynos 9611 chipset | Qualcomm Snapdragon 855 SM8150 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 6 GB RAM | 6 GB RAM |
| Mali-G72 MP3 GPU | Adreno 640 GPU |
| 9.36 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 14.14 | 10.1 |
| Camera | |
| 64.00 MP + 32.00 MP | 11.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 26.00mm focal length | -- |
| 0.59 inches (1/1.7") sensor | -- |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | -- |
| 12.1 | 8.91 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 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 |
| 6.7 | 6.7 |
| Battery Life | |
| 6000mAh Battery | 3577mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 5.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Galaxy M31s is much better than the Microsoft Surface Duo, getting a score of 88 against 78.8. Both devices we compare here come with Android OS (operating system), but Galaxy M31s has the newer 11 version and Microsoft Surface Duo has Android 10 version, providing you lots of additional features. Galaxy M31s's body is lighter but notably thicker than the Microsoft Surface Duo, and they were only released with a few months difference.
The Microsoft Surface Duo counts with a bit better looking display than Samsung Galaxy M31s, because although it has a little less pixels per inch in the screen, it also counts with a higher 1800 x 2700 pixels resolution and a bigger display. Microsoft Surface Duo has just a little better processing power than Samsung Galaxy M31s. Both of them have a 6 GB RAM and the same number of cores.
Galaxy M31s shoots much better videos and photos than Microsoft Surface Duo, because although it has slower video frame rates, and they both have the same (4K) video definition, the Galaxy M31s also counts with a bigger aperture to take better captures and videos in low-light environments and a way more mega pixels back-facing camera.
Galaxy M31s counts with a lot bigger storage capacity for apps and games than Microsoft Surface Duo, and although they both have exactly the same 128 GB internal memory capacity, the Galaxy M31s also has a SD memory card expansion slot that holds a maximum of 512 GB. The Galaxy M31s counts with a superior battery lifetime than Microsoft Surface Duo, because it has a 68 percent greater battery capacity.
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