Compare phones
| Global Score | |
| 78.8 | 81.3 |
| Basic Information | |
| Microsoft | Samsung |
| Android 10 | Android 10 |
| 2020-09-10 | 2020-04-27 |
| 7.36 x 5.72 x 0.19 inches | 6.27 x 2.88 x 0.34 inches |
| 8.82 ounces | 6.53 ounces |
| Glacier | Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white |
| Glass (Corning Gorilla Glass 5) | Plastic |
| Scratch-Resistant Glass | -- |
| $ 540.00 | -- |
| Display / Screen | |
| 8.1 inches | 6.4 inches |
| 2700 x 1800 pixels | 2400 x 1080 pixels |
| AMOLED | Super AMOLED |
| 401 pixels per inch | 411 pixels per inch |
| No touch screen | No touch screen |
| 8.2 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 855 SM8150 chipset | MediaTek Helio P65 MT6768 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Adreno 640 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 | |
| 11.00 MP | 48.00 MP + 20.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| -- | 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 |
| 8.91 | 10.89 |
| 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 | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.52 | 6.8 |
| 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 |
Comparison review
The Galaxy A31 is a little bit better than the Microsoft Surface Duo, with a global score of 81.3 against 78.8. These phones come with the same Android 10 OS (operating system), so both of them should provide the same operating system features. Although the Galaxy A31 and the Microsoft Surface Duo were released with only 5 months difference, Galaxy A31's design is way lighter but notably thicker than the Microsoft Surface Duo.
Microsoft Surface Duo counts with a little more vivid display than Galaxy A31, because although it has a bit worse pixel density, it also counts with a larger screen and a higher resolution of 1800 x 2700 pixels. Microsoft Surface Duo counts with a little bit better performance than Galaxy A31, and although they both have 8 cores, the Microsoft Surface Duo also has a greater amount of RAM.
Samsung Galaxy A31 counts with a quite bigger memory to store more apps and games than Microsoft Surface Duo, because although it has only 64 GB internal memory, it also counts with a SD extension slot that admits a maximum of 512 GB. Samsung Galaxy A31 counts with a much longer battery performance than Microsoft Surface Duo, because it has 5000mAh of battery capacity against 3577mAh.
The Galaxy A31 features a way better camera than Microsoft Surface Duo, because although it has slower 30 frames per second video frame rates, and they both have a same size aperture and the same (Full HD) video quality, the Galaxy A31 also counts with a much more MP back camera.
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