Compare phones
| Global Score | |
| 77.7 | 78.8 |
| Basic Information | |
| Samsung | Microsoft |
| Android 10 | Android 10 |
| 2020-06-19 | 2020-09-10 |
| 6.44 x 2.96 x 0.35 inches | 7.36 x 5.72 x 0.19 inches |
| 6.77 ounces | 8.82 ounces |
| Black, Blue, Red and White | Glacier |
| -- | Glass (Corning Gorilla Glass 5) |
| -- | Scratch-Resistant Glass |
| -- | $ 540.00 |
| Display / Screen | |
| 6.5 inches | 8.1 inches |
| 1600 x 720 pixels | 2700 x 1800 pixels |
| TFT | AMOLED |
| 270 pixels per inch | 401 pixels per inch |
| No touch screen | No touch screen |
| 7.2 | 8.2 |
| Performance | |
| Samsung Exynos 850 chipset | Qualcomm Snapdragon 855 SM8150 chipset |
| Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| Mali-G76 GPU | Adreno 640 GPU |
| 9.09 | 9.63 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 9.84 | 10.1 |
| Camera | |
| 48.00 MP + 13.00 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 |
| 10.78 | 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, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Microsoft Surface Duo is a bit better than Galaxy A21s, having a 78.8 score against 77.7. Both of these phones come with the same Android 10 OS (Operating System), so you shouldn't perceive any differences regarding operating system features. Microsoft Surface Duo's design is much thinner but a lot heavier than Galaxy A21s, and both of them were released with only a few months difference.
Microsoft Surface Duo features a little faster processing unit than Galaxy A21s, and although they both have the same number of cores, the Microsoft Surface Duo also has a larger amount of RAM. The Microsoft Surface Duo has a sharper display than Galaxy A21s, because it has a way higher 1800 x 2700 resolution, a larger display and more pixels per screen inch.
The Galaxy A21s features a way better camera than Microsoft Surface Duo, because although it has slower 30 frames per second video frame rate, and they both have the same 1920x1080 (Full HD) video resolution and the same aperture, the Galaxy A21s also counts with a lot more megapixels camera. Microsoft Surface Duo has a slightly better storage to install applications and games or saving photos and videos than Samsung Galaxy A21s, because although it has no slot for an external memory card, it also counts with 96 GB more internal storage.
The Galaxy A21s features a very superior battery performance than Microsoft Surface Duo, because it has a 5000mAh battery capacity against 3577mAh.
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