Compare phones
| Global Score | |
| 85.3 | 81.3 |
| Basic Information | |
| Microsoft | Samsung |
| Android 11 | Android 10 |
| 2021-09-20 | 2020-04-27 |
| 5.72 x 7.26 x 0.22 inches | 6.27 x 2.88 x 0.34 inches |
| 10.02 ounces | 6.53 ounces |
| Glacier and Obsidian | Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white |
| Glass (Corning Gorilla Glass) | Plastic |
| Scratch-Resistant Glass | -- |
| $ 540.00 | -- |
| Display / Screen | |
| 8.3 inches | 6.4 inches |
| 2688 x 1892 pixels | 2400 x 1080 pixels |
| AMOLED | Super AMOLED |
| 396 pixels per inch | 411 pixels per inch |
| 800 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.8 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 888 SM8350 (5 nm) chipset | MediaTek Helio P65 MT6768 chipset |
| Kryo 680, 64-bit (Octa-Core 2840 MHz) processor | Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 660 GPU | Mali-G52 MC2 GPU |
| 9.63 | 9.09 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 11.74 |
| Camera | |
| 12.00 MP + 12.00 MP | 48.00 MP + 20.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| 27.00mm focal length | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | -- |
| 10.01 | 10.89 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 4449mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 6.8 |
| Other Features | |
| Bluetooth 5.1 | 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 |
Comparison review
Microsoft Surface Duo 2 is a bit better than the Galaxy A31, having an 85.3 score against 81.3. Microsoft Surface Duo 2's body is newer and noticeably thinner, but also notably heavier than the Galaxy A31. Both of these phones work with Android operating system, but the Microsoft Surface Duo 2 has the newer 11 version while Galaxy A31 has Android 10, so it gives you lots of additional features and some performance improvements.
Microsoft Surface Duo 2 counts with a little bit better hardware performance than Galaxy A31, and although they both have the same number of cores, the Microsoft Surface Duo 2 also has more RAM. Microsoft Surface Duo 2 counts with a slightly better looking screen than Galaxy A31, because although it has a little worse pixels number in each screen inch, it also counts with a larger screen and a higher resolution of 1892 x 2688 pixels.
The Samsung Galaxy A31 has a quite bigger storage capacity to install games and applications than Microsoft Surface Duo 2, because although it has less internal storage capacity, it also counts with a SD memory slot that supports a maximum of 512 GB. The Galaxy A31 shoots a bit better videos and photos than Microsoft Surface Duo 2, because although it has a tinier camera aperture which is not recommended for low-light images and videos and slower video frame rates, and they both have the same 1920x1080 video resolution, the Galaxy A31 also counts with a lot higher 48 MP resolution back camera.
The Galaxy A31 features a little better battery life than Microsoft Surface Duo 2, because it has 5000mAh of battery capacity against 4449mAh.
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