Compare phones
| Global Score | |
| 81.3 | 85.3 |
| Basic Information | |
| Samsung | Microsoft |
| Android 10 | Android 11 |
| 2020-04-27 | 2021-09-20 |
| 6.27 x 2.88 x 0.34 inches | 5.72 x 7.26 x 0.22 inches |
| 6.53 ounces | 10.02 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white | Glacier and Obsidian |
| Plastic | Glass (Corning Gorilla Glass) |
| -- | Scratch-Resistant Glass |
| -- | $ 540.00 |
| Display / Screen | |
| 6.4 inches | 8.3 inches |
| 2400 x 1080 pixels | 2688 x 1892 pixels |
| Super AMOLED | AMOLED |
| 411 pixels per inch | 396 pixels per inch |
| -- | 800 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 8.8 |
| Performance | |
| MediaTek Helio P65 MT6768 chipset | Qualcomm Snapdragon 888 SM8350 (5 nm) chipset |
| Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor | Kryo 680, 64-bit (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| Mali-G52 MC2 GPU | Adreno 660 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 | 12.00 MP + 12.00 MP |
| f/2.00 aperture | f/1.70 aperture |
| 26.00mm focal length | 27.00mm 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 |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 10.89 | 10.01 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 10.6 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 4449mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.1 |
| 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 just a bit better than Galaxy A31, having a score of 85.3 against 81.3. These phones use Android operating system, but the Microsoft Surface Duo 2 has 11 version and Galaxy A31 has Android 10, so it provides some nice extra features. Even though Microsoft Surface Duo 2 is a lot heavier than the Galaxy A31, it's noticeably thinner and also newer.
Microsoft Surface Duo 2 features a bit faster processor than Samsung Galaxy A31, and although they both have the same number of cores, the Microsoft Surface Duo 2 also has a greater amount of RAM. Microsoft Surface Duo 2 counts with a little bit better screen than Samsung Galaxy A31, because although it has a little less pixels per inch in the screen, it also counts with a bigger display and a better resolution of 1892 x 2688 pixels.
The Galaxy A31 has a quite bigger storage for applications and games than Microsoft Surface Duo 2, because although it has only 64 GB internal storage, it also counts with a SD memory slot that admits a maximum of 512 GB. Samsung Galaxy A31 features just a little bit longer battery performance than Microsoft Surface Duo 2, because it has a 5000mAh battery size.
The Galaxy A31 takes a little bit better photos and videos than Microsoft Surface Duo 2, because although it has slower 30 fps video frame rate and a smaller aperture which is not so good for low-light captures, and they both have the same 1920x1080 (Full HD) video quality, the Galaxy A31 also counts with a camera in the back with much more MP.
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