Compare phones
| Global Score | |
| 73.5 | 82.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 9.0 Pie, 7.0 Nougat | Android 9.0 Pie, 8.0 Oreo |
| 2017-07-01 | 2018-08-27 |
| 6.00 x 2.94 x 0.31 inches | 6.39 x 3.03 x 0.30 inches |
| 6.38 ounces | 6.74 ounces |
| Black, Gold, Rose gold and Silver | Black and White |
| Aluminum | Glass and Metal |
| Display / Screen | |
| 5.5 inches | 6.3 inches |
| 1920 x 1080 pixels (Full HD) | 2220 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 401 pixels per inch | 392 pixels per inch |
| No touch screen | No touch screen |
| 7.9 | 8 |
| Performance | |
| Samsung Exynos 7 Octa 7870 chipset | Qualcomm Snapdragon 660 SDM660 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| Mali-T830 MP2 GPU | Adreno 512 GPU |
| 8.73 | 9.27 |
| Storage | |
| 16 GB internal memory | 64 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 400 GB) external memory slot |
| 7.48 | 11.34 |
| Camera | |
| 13.00 MP + 13.00 MP | 16.00 MP + 24.00 MP |
| f/1.70 aperture | f/1.70 aperture |
| -- | 26.00mm focal length |
| -- | 0.36 inches (1/2.8") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 9.02 | 10.01 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3600mAh Battery | 3700mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.6 | 5.68 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy A8 Star is much better than the Galaxy J7 (2017), having an 82.1 score against 73.5. Although Galaxy A8 Star is a little bit heavier than Galaxy J7 (2017), it's a bit thinner and newer. Both of these devices use the same Android 9.0 Pie operating system, so both of them should give you identical operating system features.
Samsung Galaxy A8 Star has a bit sharper screen than Samsung Galaxy J7 (2017), because although it has a bit inferior amount of pixels per inch of screen, it also counts with a little larger screen and a slightly better 1080 x 2220px resolution. The Samsung Galaxy A8 Star has much more storage capacity for applications and games than Samsung Galaxy J7 (2017), because it has a slot for external memory cards that admits up to 400 GB and 48 GB more internal memory capacity.
The Galaxy A8 Star counts with a little better processing power than Samsung Galaxy J7 (2017), and although they both have a Octa-Core CPU, the Galaxy A8 Star also has a higher amount of RAM. The Galaxy A8 Star has just a bit better battery performance than Samsung Galaxy J7 (2017), because it has 3700mAh of battery capacity against 3600mAh.
Samsung Galaxy A8 Star features a better camera than Galaxy J7 (2017), and although they both have a same size aperture, the Samsung Galaxy A8 Star also has a lot better 3840x2160 (4K) video resolution and a back facing camera with a better resolution.
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