Compare phones
| Global Score | |
| 76.7 | 85.5 |
| Basic Information | |
| Samsung | Samsung |
| Android 10, 8.0 Oreo | Android 11, 10 |
| 2018-06-28 | 2019-12-27 |
| 6.27 x 2.98 x 0.32 inches | 6.24 x 2.90 x 0.31 inches |
| 6.24 ounces | 6.07 ounces |
| Black, Blue, Gold and Pink | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| Plastic | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| -- | $ 282.00 |
| 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 9611 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Adreno 506 GPU | Mali-G72 MP3 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 512 GB) external memory slot |
| 10.78 | 14.14 |
| 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 (240 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 | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.3 | 6.7 |
| Battery Life | |
| 3500mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.44 | 5.92 |
| 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
Samsung Galaxy A51 has an overall score of 85.5, which is better than Samsung Galaxy J8's score of 76.7. Samsung Galaxy A51 is a newer phone, and it's also a little bit thinner and a little bit lighter than the Samsung Galaxy J8. Both phones in our current comparison include Android OS (Operating System), but Samsung Galaxy A51 has a more recent 11 version while Samsung Galaxy J8 has Android 10 version.
The Galaxy A51 has a more vivid screen than Galaxy J8, because it has a way better resolution of 1080 x 2400 pixels, a little bit larger display and more pixels per display inch. Samsung Galaxy A51 features just a bit better processing power than Galaxy J8. They have a 4 GB RAM memory and the same number of cores.
Galaxy A51 counts with a superior storage capacity to install games and applications than Galaxy J8, because it has more internal memory and a SD memory card expansion slot that holds a maximum of 512 GB. The Galaxy A51 counts with a little longer battery lifetime than Galaxy J8, because it has a 14 percent more battery capacity.
The Galaxy A51 captures much better photos and videos than Samsung Galaxy J8, because although it has a smaller aperture which is worse for capturing images and/or video in low-light situations, it also counts with a camera in the back with a way higher resolution, a way bigger back camera sensor providing a much better image quality and a way higher 3840x2160 (4K) video resolution.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.