Compare phones
| Global Score | |
| 87.7 | 79.2 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | -- |
| 2020-09-11 | 2018-01-06 |
| 6.45 x 3.00 x 0.37 inches | 5.87 x 2.78 x 0.33 inches |
| 7.51 ounces | 6.07 ounces |
| Black and White | Black, Blue, Gold and Orchid grey |
| Plastic and Plastic | Aluminum and Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.7 inches | 5.6 inches |
| 2340 x 1080 pixels | 2220 x 1080 pixels |
| Super AMOLED Plus | Super AMOLED |
| 385 pixels per inch | 441 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8.3 |
| Performance | |
| Qualcomm Snapdragon 730 SM7150-AA chipset | Samsung Exynos 5 Octa 7885 chipset |
| Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2200 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Adreno 618 GPU | Mali-G71 GPU |
| 9.27 | 9.18 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 256 GB) external memory slot |
| 14.14 | 10.78 |
| Camera | |
| 64.00 MP + 32.00 MP | 16.00 MP + 16.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| 26.00mm focal length | -- |
| 0.57 inches (1/1.76") sensor | -- |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 11.88 | 9.24 |
| 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 and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.3 |
| Battery Life | |
| 7000mAh Battery | 3000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 8.32 | 4.96 |
| 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, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy M51 has a score of 87.7, which is much better than the Samsung Galaxy A8 (2018)'s score of 79.2. The Galaxy M51 construction is much newer than the Samsung Galaxy A8 (2018)'s, but it is somewhat thicker and somewhat heavier. Galaxy A8 (2018) counts with a slightly better looking display than Galaxy M51, because although it has a quite smaller screen and a bit lower resolution of 1080 x 2220px, it also counts with a just a little better pixel amount in each inch of screen.
Galaxy M51 has a bit more powerful processing unit than Galaxy A8 (2018), and although they both have the same number of cores, the Galaxy M51 also has more RAM. The Galaxy M51 counts with much more memory capacity to install games and applications than Galaxy A8 (2018), because it has a SD memory slot that admits up to 512 GB and more internal storage.
Samsung Galaxy M51 takes much clearer photographs and videos than Galaxy A8 (2018), because although it has a smaller aperture, it also counts with a much higher resolution camera in the back and a much higher 3840x2160 (4K) video quality. The Galaxy M51 counts with a superior battery life than Samsung Galaxy A8 (2018), because it has 7000mAh of battery capacity instead of 3000mAh.
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