Compare phones
| Global Score | |
| 86.5 | 78.8 |
| Basic Information | |
| Samsung | Microsoft |
| Android 11, 10 | Android 10 |
| 2020-03-05 | 2020-09-10 |
| 6.27 x 2.96 x 0.35 inches | 7.36 x 5.72 x 0.19 inches |
| 6.74 ounces | 8.82 ounces |
| Black, Blue and Red | Glacier |
| Plastic and Plastic | Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 540.00 |
| Display / Screen | |
| 6.4 inches | 8.1 inches |
| 2340 x 1080 pixels | 2700 x 1800 pixels |
| Super AMOLED | AMOLED |
| 403 pixels per inch | 401 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8.2 |
| Performance | |
| 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 | |
| 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 | |
| 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 |
| 1920 x 1080 (240 fps) (Full 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 Li - Polymer 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 Samsung Galaxy M31 has a score of 86.5, which is a little bit better than the Microsoft Surface Duo's general score of 78.8. Both of these phones have Android OS (operating system), but Samsung Galaxy M31 has newer 11 version and Microsoft Surface Duo has Android 10. Although Samsung Galaxy M31 and Microsoft Surface Duo were released with only 6 months difference, Samsung Galaxy M31's design is a lot thicker but noticeably lighter.
The Microsoft Surface Duo counts with just a little better hardware performance than Samsung Galaxy M31. Both of them have 6 GB of RAM and a Octa-Core processing unit. Galaxy M31 features a bit better display than Microsoft Surface Duo, because although it has a much lower resolution of 1080 x 2340 pixels and a really smaller screen, it also counts with a just a little higher display pixels density.
The Samsung Galaxy M31 counts with a greater camera than Microsoft Surface Duo, because although it has worse video frame rates, and they both have the same 3840x2160 video definition, the Samsung Galaxy M31 also counts with a back camera with much more megapixels and a bigger aperture to capture better photos and video in low light environments.
The Galaxy M31 counts with a better storage capacity for games and applications than Microsoft Surface Duo, because although it has only 64 GB internal storage capacity, it also counts with a slot for an SD memory card that admits up to 512 GB. The Samsung Galaxy M31 features a much longer battery duration than Microsoft Surface Duo, because it has a 6000mAh battery size against 3577mAh.
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