Compare phones
| Global Score | |
| 87.7 | 85.3 |
| Basic Information | |
| Samsung | Microsoft |
| Android 10 | Android 11 |
| 2020-09-11 | 2021-09-20 |
| 6.45 x 3.00 x 0.37 inches | 5.72 x 7.26 x 0.22 inches |
| 7.51 ounces | 10.02 ounces |
| Black and White | Glacier and Obsidian |
| Plastic and Plastic | Glass (Corning Gorilla Glass) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 540.00 |
| Display / Screen | |
| 6.7 inches | 8.3 inches |
| 2340 x 1080 pixels | 2688 x 1892 pixels |
| Super AMOLED Plus | AMOLED |
| 385 pixels per inch | 396 pixels per inch |
| -- | 800 cd/m2 brightness |
| No touch screen | No touch screen |
| 8 | 8.8 |
| Performance | |
| Qualcomm Snapdragon 730 SM7150-AA chipset | Qualcomm Snapdragon 888 SM8350 (5 nm) chipset |
| Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | Kryo 680, 64-bit (Octa-Core 2840 MHz) processor |
| 6 GB RAM | 8 GB RAM |
| Adreno 618 GPU | Adreno 660 GPU |
| 9.27 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 14.14 | 10.1 |
| Camera | |
| 64.00 MP + 32.00 MP | 12.00 MP + 12.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| 26.00mm focal length | 27.00mm focal length |
| 0.57 inches (1/1.76") sensor | -- |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 11.88 | 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 | |
| 7000mAh Battery | 4449mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 8.32 | 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
The Galaxy M51 is just a bit better than the Microsoft Surface Duo 2, having an 87.7 score against 85.3. Both devices in this review work with Android OS (Operating System), but Galaxy M51 has older 10 version while Microsoft Surface Duo 2 has Android 11. Even though the Galaxy M51 is older and notably thicker than the Microsoft Surface Duo 2, it's body is still way lighter.
Microsoft Surface Duo 2 has a little better performance than Samsung Galaxy M51, and although they both have a Octa-Core CPU, the Microsoft Surface Duo 2 also has more RAM memory. The Microsoft Surface Duo 2 has a little bit better display than Galaxy M51, because it has a lot better resolution of 1892 x 2688px, a bigger screen and a bit more pixels per inch in the screen.
Samsung Galaxy M51 features a very superior memory to store more games and applications than Microsoft Surface Duo 2, and although they both have equal internal memory capacity, the Samsung Galaxy M51 also has a slot for an SD memory card that admits a maximum of 512 GB. The Galaxy M51 captures much better pictures and videos than Microsoft Surface Duo 2, because although it has lower video frame rate and a smaller diafragm aperture, and they both have the same 3840x2160 video definition, the Galaxy M51 also counts with a much more megapixels back facing camera.
The Samsung Galaxy M51 has a much better battery performance than Microsoft Surface Duo 2, because it has a 7000mAh battery capacity.
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