Compare phones
| Global Score | |
| 76.1 | 85.3 |
| Basic Information | |
| Samsung | Microsoft |
| Android 10 | Android 11 |
| 2020-06-29 | 2021-09-20 |
| 6.61 x 3.02 x 0.32 inches | 5.72 x 7.26 x 0.22 inches |
| 6.81 ounces | 10.02 ounces |
| Black | Glacier and Obsidian |
| Plastic and Plastic | Glass (Corning Gorilla Glass) |
| -- | Scratch-Resistant Glass |
| $ 194.00 | $ 540.00 |
| Display / Screen | |
| 6.5 inches | 8.3 inches |
| 1600 x 720 pixels | 2688 x 1892 pixels |
| IPS LCD | AMOLED |
| 270 pixels per inch | 396 pixels per inch |
| -- | 800 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.3 | 8.8 |
| Performance | |
| Mediatek Helio P35 chipset | Qualcomm Snapdragon 888 SM8350 (5 nm) chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | Kryo 680, 64-bit (Octa-Core 2840 MHz) processor |
| 3 GB RAM | 8 GB RAM |
| PowerVR GE8320 GPU | Adreno 660 GPU |
| 9.27 | 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 | |
| 16.00 MP + 13.00 MP | 12.00 MP + 12.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| -- | 27.00mm focal length |
| 0.33 inches (1/3.06") 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 |
| 9.35 | 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 | Nano SIM, Dual SIM |
| 6.7 | 10.6 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 4449mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 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 |
| FM Radio | -- |
Comparison review
Microsoft Surface Duo 2 is better than the Samsung Galaxy A21, with a global score of 85.3 against 76.1. Although the Microsoft Surface Duo 2 is incredibly heavier than the Samsung Galaxy A21, it's notably thinner and newer. These phones have Android OS (Operating System), but the Microsoft Surface Duo 2 has newer 11 version while Samsung Galaxy A21 has Android 10, so it provides you a couple nice extra features and better performance.
The Microsoft Surface Duo 2 features an incredibly better screen than Galaxy A21, because it has a lot higher 1892 x 2688 resolution, a bigger screen and a higher screen density. Microsoft Surface Duo 2 features a little bit more storage capacity to install applications and games than Samsung Galaxy A21, because although it has no external memory card slot, it also counts with 96 GB more internal storage.
Microsoft Surface Duo 2 features a bit faster processing unit than Galaxy A21, and although they both have the same number of cores, the Microsoft Surface Duo 2 also has 5 GB more RAM memory. The Microsoft Surface Duo 2 counts with just a little better battery duration than Galaxy A21, because it has a 4449mAh battery capacity.
The Microsoft Surface Duo 2 takes a little bit better photos and videos than Galaxy A21, because although it has a camera in the back with a much worse 12 mega-pixels resolution, it also counts with a lot better 3840x2160 (4K) video resolution and a larger aperture to take better low light photography.
Although Microsoft Surface Duo 2 is a better device, it costs a lot more than Galaxy A21, and it doesn't have such a good relation between it's price and quality as Galaxy A21. If you want to save some dollars, you can buy the Galaxy A21, and give up a couple features, but you'll get the most out of your savings.
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