Compare phones
| Global Score | |
| 72.8 | 87.7 |
| Basic Information | |
| Samsung | Samsung |
| Android 6.0 Marshmallow | Android 10 |
| 2016-10-01 | 2020-09-11 |
| 6.17 x 3.02 x 0.28 inches | 6.45 x 3.00 x 0.37 inches |
| 6.42 ounces | 7.51 ounces |
| Blue, Gold and Silver | Black and White |
| Aluminum and Aluminum | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 5.7 inches | 6.7 inches |
| 1920 x 1080 pixels (Full HD) | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED Plus |
| 386 pixels per inch | 385 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8 |
| Performance | |
| Samsung Exynos 7 Octa 7420 chipset | Qualcomm Snapdragon 730 SM7150-AA chipset |
| ARM Cortex-A57 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2100 MHz) processor | Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| Yes GPU | Adreno 618 GPU |
| 9.09 | 9.27 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.88 | 14.14 |
| Camera | |
| 16.00 MP + 8.00 MP | 64.00 MP + 32.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| -- | 0.57 inches (1/1.76") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 9.13 | 11.88 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| -- | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 3 | 6.7 |
| Battery Life | |
| 3300mAh Li - Ion Battery | 7000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 8.32 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Galaxy M51 has a score of 87.7, which is way better than the Galaxy A8 (2016)'s 72.8 global score. Although the Galaxy M51 is noticeably newer than Galaxy A8 (2016), it's incredibly thicker and heavier. These phones use Android operating system, but Galaxy M51 has the previous 10 version and Galaxy A8 (2016) has Android 6.0 Marshmallow.
Galaxy A8 (2016) and Galaxy M51 have extremely similar displays, because although the Galaxy M51 has a little less pixels per inch in the screen, it also counts with a bigger screen and a quite better 1080 x 2340 resolution. Samsung Galaxy M51 features a much bigger storage capacity for games and applications than Galaxy A8 (2016), because it has a slot for external memory cards that supports a maximum of 512 GB and more internal memory.
The Galaxy M51 features just a bit better performance than Samsung Galaxy A8 (2016), and although they both have a Octa-Core processing unit, the Galaxy M51 also has a greater amount of RAM. The Galaxy M51 has a very superior camera than Samsung Galaxy A8 (2016), because it has a way higher (4K) video resolution, a bigger diafragm aperture to take better photography in poorly lited situations and a lot more megapixels back camera.
Galaxy M51 features a very superior battery performance than Galaxy A8 (2016), because it has a 112% larger battery capacity.
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