Compare phones
| Global Score | |
| 85.3 | 77.7 |
| Basic Information | |
| Microsoft | Samsung |
| Android 11 | Android 10 |
| 2021-09-20 | 2020-06-19 |
| 5.72 x 7.26 x 0.22 inches | 6.44 x 2.96 x 0.35 inches |
| 10.02 ounces | 6.77 ounces |
| Glacier and Obsidian | Black, Blue, Red and White |
| Glass (Corning Gorilla Glass) | -- |
| Scratch-Resistant Glass | -- |
| $ 540.00 | -- |
| Display / Screen | |
| 8.3 inches | 6.5 inches |
| 2688 x 1892 pixels | 1600 x 720 pixels |
| AMOLED | TFT |
| 396 pixels per inch | 270 pixels per inch |
| 800 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.8 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 888 SM8350 (5 nm) chipset | Samsung Exynos 850 chipset |
| Kryo 680, 64-bit (Octa-Core 2840 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 8 GB RAM | 3 GB RAM |
| Adreno 660 GPU | Mali-G76 GPU |
| 9.63 | 9.09 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 9.84 |
| Camera | |
| 12.00 MP + 12.00 MP | 48.00 MP + 13.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| 27.00mm focal length | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | -- |
| 10.01 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 4449mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 6.8 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
Comparison review
The Microsoft Surface Duo 2 is a little bit better than Samsung Galaxy A21s, with an 85.3 score against 77.7. Both devices we are comparing here include Android OS (operating system), but Microsoft Surface Duo 2 has newer 11 version and Samsung Galaxy A21s has Android 10, so it gives some nice extra features. Even though Microsoft Surface Duo 2 is incredibly heavier than Samsung Galaxy A21s, it's incredibly thinner and also newer.
The Microsoft Surface Duo 2 counts with a much more vibrant screen than Galaxy A21s, because it has a way better resolution of 1892 x 2688, a bigger display and a better pixel density. Microsoft Surface Duo 2 has a slightly better memory capacity for applications, games, photos and videos than Samsung Galaxy A21s, because although it has no slot for external memory cards, it also counts with 128 GB internal storage capacity.
The Microsoft Surface Duo 2 has just a little better processing power than Galaxy A21s, and although they both have a Octa-Core CPU, the Microsoft Surface Duo 2 also has more RAM. The Galaxy A21s counts with just a bit better battery lifetime than Microsoft Surface Duo 2, because it has a 12 percent greater battery capacity.
Galaxy A21s shoots just a bit better photographs and videos than Microsoft Surface Duo 2, because although it has a tinier aperture and slower 30 fps video frame rates, and they both have the same 1920x1080 video resolution, the Galaxy A21s also counts with a back camera with way more MP.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.