Compare phones
| Global Score | |
| 79.2 | 87.7 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 10 |
| 2018-01-06 | 2020-09-11 |
| 5.87 x 2.78 x 0.33 inches | 6.45 x 3.00 x 0.37 inches |
| 6.07 ounces | 7.51 ounces |
| Black, Blue, Gold and Orchid grey | Black and White |
| Aluminum and Glass (Corning Gorilla Glass 5) | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 5.6 inches | 6.7 inches |
| 2220 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED Plus |
| 441 pixels per inch | 385 pixels per inch |
| No touch screen | No touch screen |
| 8.3 | 8 |
| Performance | |
| Samsung Exynos 5 Octa 7885 chipset | Qualcomm Snapdragon 730 SM7150-AA chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2200 MHz) processor | Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Mali-G71 GPU | Adreno 618 GPU |
| 9.18 | 9.27 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 10.78 | 14.14 |
| Camera | |
| 16.00 MP + 16.00 MP | 64.00 MP + 32.00 MP |
| f/1.70 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 |
| 9.24 | 11.88 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.3 | 6.7 |
| Battery Life | |
| 3000mAh Li - Polymer Battery | 7000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 4.96 | 8.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Samsung Galaxy M51 has an overall score of 87.7, which is much better than the Galaxy A8 (2018)'s global score of 79.2. Even though Samsung Galaxy M51 is notably newer than Galaxy A8 (2018), it's somewhat thicker and somewhat heavier. The Samsung Galaxy A8 (2018) has just a bit better looking display than Galaxy M51, because although it has a quite lower 1080 x 2220 resolution and a little smaller screen, it also counts with a bit better display pixels density.
The Galaxy M51 has much more memory capacity to install games and applications than Galaxy A8 (2018), because it has a SD memory card expansion slot that supports a maximum of 512 GB and 128 GB internal memory capacity. The Samsung Galaxy M51 features a bit better processing power than Galaxy A8 (2018), and although they both have 8 processing cores, the Samsung Galaxy M51 also has more RAM memory.
Galaxy M51 has a very superior battery lifetime than Galaxy A8 (2018), because it has 7000mAh of battery capacity. The Galaxy M51 captures way better pictures and videos than Samsung Galaxy A8 (2018), because although it has a tinier camera aperture which is worse for low-light images and videos, it also counts with a much higher resolution back facing camera and a much higher video definition.
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