Compare phones
| Global Score | |
| 81.3 | 78.8 |
| Basic Information | |
| Samsung | Microsoft |
| Android 10 | Android 10 |
| 2020-04-27 | 2020-09-10 |
| 6.27 x 2.88 x 0.34 inches | 7.36 x 5.72 x 0.19 inches |
| 6.53 ounces | 8.82 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white | Glacier |
| Plastic | Glass (Corning Gorilla Glass 5) |
| -- | Scratch-Resistant Glass |
| -- | $ 540.00 |
| Display / Screen | |
| 6.4 inches | 8.1 inches |
| 2400 x 1080 pixels | 2700 x 1800 pixels |
| Super AMOLED | AMOLED |
| 411 pixels per inch | 401 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.2 |
| Performance | |
| MediaTek Helio P65 MT6768 chipset | Qualcomm Snapdragon 855 SM8150 chipset |
| Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Mali-G52 MC2 GPU | Adreno 640 GPU |
| 9.09 | 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 | |
| 48.00 MP + 20.00 MP | 11.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") sensor | -- |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 10.89 | 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 | |
| 5000mAh Li - Polymer Battery | 3577mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 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 |
Comparison review
Galaxy A31 is a bit better than the Microsoft Surface Duo, with a general score of 81.3 against 78.8. Even though Galaxy A31 and the Microsoft Surface Duo were released with only a few months difference, the Galaxy A31 body is incredibly lighter but notably thicker. Both of these phones work with the same Android 10 OS (Operating System), so you shouldn't see any differences in that aspect.
The Microsoft Surface Duo has a little bit better screen than Samsung Galaxy A31, because although it has a little bit lower pixels amount per screen inch, it also counts with a larger display and a better resolution of 1800 x 2700 pixels. The Microsoft Surface Duo has a bit more powerful processor than Samsung Galaxy A31, and although they both have a Octa-Core processing unit, the Microsoft Surface Duo also has more RAM memory.
Galaxy A31 features a lot better camera than Microsoft Surface Duo, because although it has lower video frame rates, and they both have the same aperture and the same video resolution, the Galaxy A31 also counts with a camera in the back with much more mega pixels. Galaxy A31 has a bigger storage for applications and games than Microsoft Surface Duo, because although it has only 64 GB internal memory capacity, it also counts with a slot for an SD memory card that supports up to 512 GB.
Galaxy A31 counts with a way better battery lifetime than Microsoft Surface Duo, because it has a 40% more battery capacity.
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