Compare phones
| Global Score | |
| 77.7 | 85.3 |
| Basic Information | |
| Samsung | Microsoft |
| Android 10 | Android 11 |
| 2020-06-19 | 2021-09-20 |
| 6.44 x 2.96 x 0.35 inches | 5.72 x 7.26 x 0.22 inches |
| 6.77 ounces | 10.02 ounces |
| Black, Blue, Red and White | Glacier and Obsidian |
| -- | Glass (Corning Gorilla Glass) |
| -- | Scratch-Resistant Glass |
| -- | $ 540.00 |
| Display / Screen | |
| 6.5 inches | 8.3 inches |
| 1600 x 720 pixels | 2688 x 1892 pixels |
| TFT | AMOLED |
| 270 pixels per inch | 396 pixels per inch |
| -- | 800 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.2 | 8.8 |
| Performance | |
| Samsung Exynos 850 chipset | Qualcomm Snapdragon 888 SM8350 (5 nm) chipset |
| Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor | Kryo 680, 64-bit (Octa-Core 2840 MHz) processor |
| 3 GB RAM | 8 GB RAM |
| Mali-G76 GPU | Adreno 660 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 | 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 |
| 10.78 | 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, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Microsoft Surface Duo 2 has an overall score of 85.3, which is slightly better than the Samsung Galaxy A21s's 77.7 general score. These devices have Android OS (Operating System), but Microsoft Surface Duo 2 has the newer 11 version while Samsung Galaxy A21s has Android 10 version, offering a couple nice extra features. Even though Microsoft Surface Duo 2 is heavier than Samsung Galaxy A21s, it's a lot thinner and newer.
Microsoft Surface Duo 2 has a bit superior processing unit than Galaxy A21s, and although they both have a Octa-Core processing unit, the Microsoft Surface Duo 2 also has more RAM. Microsoft Surface Duo 2 has a much sharper screen than Galaxy A21s, because it has a much higher 1892 x 2688 pixels resolution, a greater display density and a larger display.
Microsoft Surface Duo 2 has just a bit bigger memory capacity to install games and applications than Galaxy A21s, because although it has no external memory slot, it also counts with 128 GB internal memory capacity. The Samsung Galaxy A21s features a bit superior battery life than Microsoft Surface Duo 2, because it has a 5000mAh battery capacity against 4449mAh.
Galaxy A21s counts with a little bit better camera than Microsoft Surface Duo 2, because although it has worse video frame rates and a smaller camera aperture which is not nice for low light captures and video, and they both have the same video resolution, the Galaxy A21s also counts with a lot more megapixels back facing camera.
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