Compare phones
| Global Score | |
| 76.7 | 90.8 |
| Basic Information | |
| Samsung | Samsung |
| Android 10, 8.0 Oreo | Android 11, 10 |
| 2018-06-28 | 2020-04-29 |
| 6.27 x 2.98 x 0.32 inches | 6.26 x 2.90 x 0.34 inches |
| 6.24 ounces | 6.60 ounces |
| Black, Blue, Gold and Pink | Prism cube black |
| Plastic | Aluminum and Plastic |
| -- | Scratch-Resistant Glass |
| -- | $ 339.00 |
| Display / Screen | |
| 6 inches | 6.5 inches |
| 1480 x 720 pixels | 2400 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 274 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 7.2 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 450 SDM450 chipset | Samsung Exynos 980 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Adreno 506 GPU | Mali-G76 MP5 GPU |
| 8.91 | 9.27 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 1000 GB) external memory slot |
| 10.78 | 15.38 |
| Camera | |
| 16.00 MP + 16.00 MP | 48.00 MP + 32.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.36 inches (1/2.8") sensor | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (480 fps) (HD) slow motion video |
| 9.46 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.3 | 10.7 |
| Battery Life | |
| 3500mAh Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.44 | 6.32 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy A51 5G has a general score of 90.8, which is better than Samsung Galaxy J8's score of 76.7. Although Galaxy A51 5G is newer than the Samsung Galaxy J8, it's just a bit thicker and a bit heavier. These phones use Android OS, but Galaxy A51 5G has a newer 11 version while Samsung Galaxy J8 has Android 10.
Samsung Galaxy A51 5G counts with just a bit better processing power than Samsung Galaxy J8, and although they both have the same number of cores, the Samsung Galaxy A51 5G also has a greater amount of RAM. Galaxy A51 5G features a more vivid screen than Samsung Galaxy J8, because it has a quite larger screen, a lot better 1080 x 2400 resolution and a better display pixel density.
Galaxy A51 5G features a much better memory to install applications and games or saving photos and videos than Galaxy J8, because it has a slot for an external memory card that supports a maximum of 1000 GB and 128 GB internal memory. Samsung Galaxy A51 5G takes way better pictures and videos than Samsung Galaxy J8, because although it has a smaller aperture, it also counts with a camera with a way better 48 mega-pixels resolution, a way higher (4K) video definition and a lot larger back camera sensor shooting lot better quality videos and pictures.
The Galaxy A51 5G counts with better battery lifetime than Galaxy J8, because it has a 4500mAh battery size.
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