Compare phones
| Global Score | |
| 74.6 | 82.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 8.0 Oreo | Android 9.0 Pie, 8.0 Oreo |
| -- | 2018-08-27 |
| 6.04 x 3.04 x 0.32 inches | 6.39 x 3.03 x 0.30 inches |
| 6.14 ounces | 6.74 ounces |
| 16 777 216 | Black and White |
| Plastic | Glass and Metal |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 5.5 inches | 6.3 inches |
| 1280 x 720 pixels (HD) | 2220 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 267 pixels per inch | 392 pixels per inch |
| No touch screen | No touch screen |
| 7.1 | 8 |
| Performance | |
| Samsung Exynos 7 Octa 7884 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 |
| 4 GB RAM | 6 GB RAM |
| ARM Mali-G71 GPU | Adreno 512 GPU |
| 8.82 | 9.27 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 400 GB) external memory slot |
| 8.88 | 11.34 |
| Camera | |
| 13.00 MP + 8.00 MP | 16.00 MP + 24.00 MP |
| f/1.90 aperture | f/1.70 aperture |
| 27.00mm focal length | 26.00mm focal length |
| 0.33 inches (1/3.06") sensor | 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 (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Micro SIM, Dual SIM | Nano SIM |
| 6.1 | 6.7 |
| Battery Life | |
| 3000mAh Battery | 3700mAh Li - Ion Battery |
| Removable Battery | Non-Removable Battery |
| 4.96 | 5.68 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Samsung Galaxy A8 Star is better than the Galaxy J7 Duo, having a general score of 82.1 against 74.6. Both phones in this comparison review use Android OS (Operating System), but Samsung Galaxy A8 Star has a newer 9.0 Pie version and Galaxy J7 Duo has Android 8.0 Oreo. The Samsung Galaxy A8 Star design is just a little bit thinner but just a little bit heavier than Galaxy J7 Duo.
The Galaxy A8 Star has a better display than Samsung Galaxy J7 Duo, because it has a lot better resolution of 1080 x 2220 pixels, a better amount of pixels per inch in the display and a little bit bigger screen. The Galaxy A8 Star has a superior storage capacity to store more apps and games than Galaxy J7 Duo, because it has a SD memory slot that supports up to 400 GB and 64 GB internal storage.
Samsung Galaxy A8 Star counts with just a bit better performance than Samsung Galaxy J7 Duo, and although they both have 8 cpu cores, the Samsung Galaxy A8 Star also has 2 GB more RAM. Samsung Galaxy A8 Star has longer battery lifetime than Samsung Galaxy J7 Duo, because it has a 23% more battery capacity.
Galaxy A8 Star takes much better pictures and videos than Galaxy J7 Duo, because it has a lot better 3840x2160 video definition, a back camera with more megapixels, a bigger sensor shooting higher quality videos and pictures and a larger diafragm aperture.
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