Compare phones
| Global Score | |
| 67.9 | 85.5 |
| Basic Information | |
| Samsung | Samsung |
| Android 5.1 | Android 11, 10 |
| 2015-07-14 | 2019-12-27 |
| 6.22 x 3.02 x 0.23 inches | 6.24 x 2.90 x 0.31 inches |
| 5.33 ounces | 6.07 ounces |
| Gold, Gray and White | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| Metal; metal | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| $ 285.00 | $ 282.00 |
| Display / Screen | |
| 5.7 inches | 6.5 inches |
| 1080 x 1920 pixels (Full HD) | 2400 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 386 pixels per inch | 405 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 8.7 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 615 8939 chipset | Samsung Exynos 9611 chipset |
| ARM Cortex-A53, 64-bit (Single-Core 1500 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 2 GB (800 MHz) RAM | 4 GB RAM |
| Adreno 405 GPU | Mali-G72 MP3 GPU |
| 8.01 | 9.27 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSD, microSDHC, microSDXC (up to 128 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.12 | 14.14 |
| Camera | |
| 16.00 MP + 5.00 MP | 48.00 MP + 32.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 1920 x 1080 (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (240 fps) (HD) slow motion video |
| 8.14 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| -- | Mobile Hotspot |
| GSM and CDMA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| SIM | Nano SIM, Dual SIM |
| 2.6 | 6.7 |
| Battery Life | |
| 3050mAh Battery | 4000mAh Li - Polymer Battery |
| Removable Battery | Non-Removable Battery |
| 304 hours standby time | -- |
| 5.04 | 5.92 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Galaxy A51 is much better than the Galaxy A8, having an 85.5 score against 67.9. Both phones in this comparison review use Android operating system, but the Galaxy A51 has a more recent 11 version while Galaxy A8 has Android 5.1, giving a couple nice extra features. The Galaxy A51 is a notably newer phone than Galaxy A8, but it is notably thicker and somewhat heavier.
The Galaxy A8 features a bit better looking screen than Samsung Galaxy A51, although it has a little bit smaller display, a little lower 1920 x 1080 resolution and a quite inferior pixel quantity per inch of screen. Galaxy A51 features a much better storage capacity for applications, games, photos and videos than Galaxy A8, because it has an external SD slot that allows up to 512 GB and more internal storage.
Galaxy A51 counts with a quite better hardware performance than Samsung Galaxy A8, because it has a larger number of faster cores and a greater amount of RAM. The Galaxy A51 features longer battery duration than Samsung Galaxy A8, because it has 4000mAh of battery capacity. Galaxy A51 shoots greater pictures and videos than Samsung Galaxy A8, because although it has a smaller aperture which is not recommended for low light captures and videos, it also counts with a much better 3840x2160 video definition and a camera in the back with a much better 48 megapixels resolution.
The Galaxy A51 not only is the best phones of the ones we compare here, but it's also the cheapest, which makes it a simple decision.
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