Compare phones
| Global Score | |
| 85.3 | 90.8 |
| Basic Information | |
| Microsoft | Samsung |
| Android 11 | Android 11, 10 |
| 2021-09-20 | 2020-04-29 |
| 5.72 x 7.26 x 0.22 inches | 6.26 x 2.90 x 0.34 inches |
| 10.02 ounces | 6.60 ounces |
| Glacier and Obsidian | Prism cube black |
| Glass (Corning Gorilla Glass) | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 540.00 | $ 339.00 |
| Display / Screen | |
| 8.3 inches | 6.5 inches |
| 2688 x 1892 pixels | 2400 x 1080 pixels |
| AMOLED | Super AMOLED |
| 396 pixels per inch | 405 pixels per inch |
| 800 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.8 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 888 SM8350 (5 nm) chipset | Samsung Exynos 980 chipset |
| Kryo 680, 64-bit (Octa-Core 2840 MHz) processor | ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 8 GB RAM | 6 GB RAM |
| Adreno 660 GPU | Mali-G76 MP5 GPU |
| 9.63 | 9.27 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 1000 GB) external memory slot |
| 10.1 | 15.38 |
| Camera | |
| 12.00 MP + 12.00 MP | 48.00 MP + 32.00 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 | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 10.01 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 10.6 | 10.7 |
| Battery Life | |
| 4449mAh Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 6.32 |
| 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
The Samsung Galaxy A51 5G has an overall score of 90.8, which is just a bit better than the Microsoft Surface Duo 2's global score of 85.3. Both phones in this review come with the same Android 11 OS (Operating System). Although the Samsung Galaxy A51 5G is older and noticeably thicker than the Microsoft Surface Duo 2, it's body is still incredibly lighter.
The Microsoft Surface Duo 2 has a bit more vivid screen than Samsung Galaxy A51 5G, because although it has a little less pixels per inch in the screen, it also counts with a higher resolution of 1892 x 2688px and a larger screen. Microsoft Surface Duo 2 counts with a bit faster processor than Galaxy A51 5G, and although they both have 8 CPU cores, the Microsoft Surface Duo 2 also has a higher amount of RAM.
The Samsung Galaxy A51 5G shoots much better photographs and videos than Microsoft Surface Duo 2, because although it has lower video frame rates and a tinier aperture which is not nice for shooting photographs or videos in low light environments, and they both have the same (4K) video quality, the Samsung Galaxy A51 5G also counts with a much more mega-pixels camera in the back.
The Galaxy A51 5G features a superior storage capacity for games and applications than Microsoft Surface Duo 2, and although they both have the same internal memory, the Galaxy A51 5G also has an external memory slot that allows up to 1000 GB. Galaxy A51 5G's battery lifetime is very similar to the Microsoft Surface Duo 2 one, although the Galaxy A51 5G also has a 1 percent larger battery capacity.
The Galaxy A51 5G not only is the best phones in our comparison, but it's also a bargain compared to the other ones.
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