Compare phones
| Global Score | |
| 87.7 | 85.5 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | Android 11, 10 |
| 2020-09-11 | 2019-12-27 |
| 6.45 x 3.00 x 0.37 inches | 6.24 x 2.90 x 0.31 inches |
| 7.51 ounces | 6.07 ounces |
| Black and White | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| Plastic and Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 282.00 |
| Display / Screen | |
| 6.7 inches | 6.5 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED Plus | Super AMOLED |
| 385 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 730 SM7150-AA chipset | Samsung Exynos 9611 chipset |
| Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Adreno 618 GPU | Mali-G72 MP3 GPU |
| 9.27 | 9.27 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 14.14 | 14.14 |
| Camera | |
| 64.00 MP + 32.00 MP | 48.00 MP + 32.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.57 inches (1/1.76") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (240 fps) (HD) slow motion video |
| 11.88 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 7000mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 8.32 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | 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 | FM Radio |
Comparison review
The Samsung Galaxy M51 has a global score of 87.7, which is a little bit better than the Samsung Galaxy A51's global score of 85.5. Both of these devices include Android operating system, but Samsung Galaxy M51 has 10 version while Samsung Galaxy A51 has Android 11 version. Despite being the best device in our current comparison, we must highlight that it is also a thicker and heavier device.
The Samsung Galaxy A51 has a bit better looking screen than Galaxy M51, because although it has a bit smaller display, it also counts with a little more pixels per screen inch and a slightly higher resolution of 1080 x 2400 pixels. The Samsung Galaxy A51 counts with as much memory for apps and games as Samsung Galaxy M51, both have exactly the same internal memory and a SD memory card expansion slot that allows a maximum of 512 GB.
Samsung Galaxy M51 and Samsung Galaxy A51 feature very similar processors, and although the Samsung Galaxy A51 has a lower amount of RAM, they both have a Octa-Core processing unit. The Samsung Galaxy M51 shoots a bit better pictures and videos than Samsung Galaxy A51, and although they both have the same 30 fps video frame rates and the same 3840x2160 video resolution, the Samsung Galaxy M51 also has a bigger back camera sensor, a bigger diafragm aperture to take better captures and video in low-light environments and a camera with lot more MP.
Galaxy M51 has a superior battery performance than Galaxy A51, because it has 7000mAh of battery capacity instead of 4000mAh.
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