Compare phones
| Global Score | |
| 85.3 | 76.1 |
| Basic Information | |
| Microsoft | Samsung |
| Android 11 | Android 10 |
| 2021-09-20 | 2020-06-29 |
| 5.72 x 7.26 x 0.22 inches | 6.61 x 3.02 x 0.32 inches |
| 10.02 ounces | 6.81 ounces |
| Glacier and Obsidian | Black |
| Glass (Corning Gorilla Glass) | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| $ 540.00 | $ 194.00 |
| Display / Screen | |
| 8.3 inches | 6.5 inches |
| 2688 x 1892 pixels | 1600 x 720 pixels |
| AMOLED | IPS LCD |
| 396 pixels per inch | 270 pixels per inch |
| 800 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.8 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 888 SM8350 (5 nm) chipset | Mediatek Helio P35 chipset |
| Kryo 680, 64-bit (Octa-Core 2840 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 3 GB RAM |
| Adreno 660 GPU | PowerVR GE8320 GPU |
| 9.63 | 9.27 |
| 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 | 16.00 MP + 13.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 27.00mm focal length | -- |
| -- | 0.33 inches (1/3.06") 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 | 9.35 |
| 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 |
| 10.6 | 6.7 |
| Battery Life | |
| 4449mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 5.92 |
| 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, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Microsoft Surface Duo 2 has an overall score of 85.3, which is much better than Galaxy A21's overall score of 76.1. Microsoft Surface Duo 2 is a newer and thinner phone than Galaxy A21, but it's extremely heavier. Both of these phones have Android OS, but Microsoft Surface Duo 2 has a more recent 11 version and Galaxy A21 has Android 10, providing the user some extra features.
The Microsoft Surface Duo 2 features a bit better processor than Samsung Galaxy A21, and although they both have a Octa-Core processor, the Microsoft Surface Duo 2 also has 5 GB more RAM memory. The Microsoft Surface Duo 2 counts with a way better looking display than Galaxy A21, because it has a way higher resolution of 1892 x 2688, a higher screen density and a bigger display.
Microsoft Surface Duo 2 captures a bit better photos and videos than Galaxy A21, because although it has a back-facing camera with much less mega-pixels resolution, it also counts with a way higher 3840x2160 (4K) video definition and a larger aperture for better photos in low-light environments. Microsoft Surface Duo 2 counts with a bit more memory for games and applications than Galaxy A21, because although it has no external SD slot, it also counts with more internal memory capacity.
Microsoft Surface Duo 2 features a little longer battery life than Galaxy A21, because it has 4449mAh of battery capacity against 4000mAh.
Although Microsoft Surface Duo 2 is a better device, it is way more expensive than Samsung Galaxy A21, and it doesn't have such a good quality/price relation as the Samsung Galaxy A21. If you want to save some dollars, you can buy Samsung Galaxy A21, and give up a few features and specifications, but you'll get the most out of your money.
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