Compare phones
| Global Score | |
| 79.6 | 78.8 |
| Basic Information | |
| Samsung | Microsoft |
| Android 11, 10, 9.0 Pie | Android 10 |
| 2019-04-10 | 2020-09-10 |
| 5.69 x 2.72 x 0.31 inches | 7.36 x 5.72 x 0.19 inches |
| 4.94 ounces | 8.82 ounces |
| Black, Blue, Coral and White | Glacier |
| Plastic and Plastic | Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 540.00 |
| Display / Screen | |
| 5.9 inches | 8.1 inches |
| 2340 x 1080 pixels | 2700 x 1800 pixels |
| Super AMOLED | AMOLED |
| 437 pixels per inch | 401 pixels per inch |
| No touch screen | No touch screen |
| 8.2 | 8.2 |
| Performance | |
| Exynos 7904 chipset | Qualcomm Snapdragon 855 SM8150 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Mali-G71 MP2 GPU | Adreno 640 GPU |
| 8.91 | 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 | |
| 16.00 MP + 25.00 MP | 11.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| 27.00mm focal length | -- |
| 0.36 inches (1/2.8") sensor | -- |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 9.46 | 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 | |
| 3100mAh Li - Polymer Battery | 3577mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.12 | 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
Galaxy A40 is slightly better than the Microsoft Surface Duo, with a 79.6 score against 78.8. The Galaxy A40 is an older and incredibly thicker device than the Microsoft Surface Duo, but Samsung made it way lighter anyway. These phones include Android OS (operating system), but Galaxy A40 has newer 11 version and Microsoft Surface Duo has Android 10.
Microsoft Surface Duo and Galaxy A40 count with quite similar screens, because although the Microsoft Surface Duo has a just a little lower number of pixels per inch in the screen, it also counts with a much larger display and a better 1800 x 2700px resolution. The Samsung Galaxy A40 counts with more memory to store more apps and games than Microsoft Surface Duo, because although it has less internal storage, it also counts with an external memory slot that holds up to 512 GB.
The Microsoft Surface Duo features a little bit better hardware performance than Samsung Galaxy A40, and although they both have a Octa-Core processing unit, the Microsoft Surface Duo also has 2 GB more RAM. The Galaxy A40 features a little bit better camera than Microsoft Surface Duo, because although it has lower video frame rates, and they both have the same (Full HD) video definition, the Galaxy A40 also counts with a bigger aperture to capture better low-light photos and a much more mega-pixels camera in the back.
Microsoft Surface Duo features a bit longer battery lifetime than Galaxy A40, because it has a 15 percent larger battery capacity.
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