Compare phones
| Global Score | |
| 78.8 | 88 |
| Basic Information | |
| Microsoft | Samsung |
| Android 10 | Android 11, 10 |
| 2020-09-10 | 2020-08-06 |
| 7.36 x 5.72 x 0.19 inches | 6.27 x 2.93 x 0.37 inches |
| 8.82 ounces | 7.16 ounces |
| Glacier | Mirage black and Mirage blue |
| Glass (Corning Gorilla Glass 5) | -- |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 540.00 | -- |
| Display / Screen | |
| 8.1 inches | 6.5 inches |
| 2700 x 1800 pixels | 2400 x 1080 pixels |
| AMOLED | Super AMOLED |
| 401 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 8.2 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 855 SM8150 chipset | Samsung Exynos 9611 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 6 GB RAM | 6 GB RAM |
| Adreno 640 GPU | Mali-G72 MP3 GPU |
| 9.63 | 9.36 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 14.14 |
| Camera | |
| 11.00 MP | 64.00 MP + 32.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| -- | 0.59 inches (1/1.7") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (480 fps) (HD) slow motion video |
| 8.91 | 12.1 |
| 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 | |
| 3577mAh Battery | 6000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.52 | 7.52 |
| 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
Galaxy M31s is better than the Microsoft Surface Duo, with a global score of 88 against 78.8. Although Galaxy M31s and Microsoft Surface Duo were released only a couple months apart, Galaxy M31s's construction is incredibly thicker but also lighter. Both devices in this comparison have Android OS, but the Galaxy M31s has newer 11 version and Microsoft Surface Duo has Android 10 version, giving you some nice extra features.
The Microsoft Surface Duo features a little bit better hardware performance than Galaxy M31s. Both have the same number of cores and a 6 GB RAM. The Microsoft Surface Duo features a little bit better looking display than Samsung Galaxy M31s, because although it has a just a bit inferior count of pixels per inch in the screen, it also counts with a bigger screen and a better resolution of 1800 x 2700 pixels.
Samsung Galaxy M31s counts with a way better camera than Microsoft Surface Duo, because although it has slower 30 fps video frame rate, and they both have the same 3840x2160 video resolution, the Samsung Galaxy M31s also counts with a bigger aperture for better low-light photos and video and a lot better 64 mega-pixels resolution camera.
Samsung Galaxy M31s counts with a much bigger storage capacity for apps and games than Microsoft Surface Duo, and although they both have equal 128 GB internal memory, the Samsung Galaxy M31s also has an external memory slot that supports a maximum of 512 GB. The Galaxy M31s has a much better battery duration than Microsoft Surface Duo, because it has a 6000mAh battery size against 3577mAh.
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