Compare phones
| Global Score | |
| 90.8 | 79.2 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | -- |
| 2020-04-29 | 2018-01-06 |
| 6.26 x 2.90 x 0.34 inches | 5.87 x 2.78 x 0.33 inches |
| 6.60 ounces | 6.07 ounces |
| Prism cube black | Black, Blue, Gold and Orchid grey |
| Aluminum and Plastic | Aluminum and Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 339.00 | -- |
| Display / Screen | |
| 6.5 inches | 5.6 inches |
| 2400 x 1080 pixels | 2220 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 405 pixels per inch | 441 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.3 |
| Performance | |
| Samsung Exynos 980 chipset | Samsung Exynos 5 Octa 7885 chipset |
| ARM Cortex-A77 and ARM Cortex-A55, 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 |
| Mali-G76 MP5 GPU | Mali-G71 GPU |
| 9.27 | 9.18 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 1000 GB) external memory slot | microSDXC (up to 256 GB) external memory slot |
| 15.38 | 10.78 |
| Camera | |
| 48.00 MP + 32.00 MP | 16.00 MP + 16.00 MP |
| f/2.00 aperture | f/1.70 aperture |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") sensor | -- |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | -- |
| 11.55 | 9.24 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 6.3 |
| Battery Life | |
| 4500mAh Li - Polymer Battery | 3000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 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
Samsung Galaxy A51 5G is better than the Galaxy A8 (2018), getting a score of 90.8 against 79.2. The Samsung Galaxy A51 5G construction is notably newer, but a little bit heavier and just a bit thicker than the Galaxy A8 (2018). The Galaxy A51 5G counts with a bit superior CPU than Samsung Galaxy A8 (2018), and although they both have the same number of cores, the Galaxy A51 5G also has a larger amount of RAM memory.
The Galaxy A8 (2018) has a bit better looking display than Samsung Galaxy A51 5G, because although it has a quite smaller display and a little bit worse resolution of 1080 x 2220px, it also counts with a little greater number of pixels per inch of display. Galaxy A51 5G has a much greater memory for apps and games than Samsung Galaxy A8 (2018), because it has 64 GB more internal memory capacity and an external memory card slot that supports a maximum of 1000 GB.
Samsung Galaxy A51 5G features a very superior battery life than Samsung Galaxy A8 (2018), because it has 4500mAh of battery capacity against 3000mAh. The Galaxy A51 5G counts with a lot better camera than Samsung Galaxy A8 (2018), because although it has a tinier aperture which is not nice for shooting photographs and/or video in poorly lited situations, it also counts with a lot more mega pixels back-facing camera and a way better 3840x2160 (4K) video resolution.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.