Compare phones
| Global Score | |
| 74.6 | 76.7 |
| Basic Information | |
| Samsung | Samsung |
| Android 8.0 Oreo | Android 10, 8.0 Oreo |
| -- | 2018-06-28 |
| 6.04 x 3.04 x 0.32 inches | 6.27 x 2.98 x 0.32 inches |
| 6.14 ounces | 6.24 ounces |
| 16 777 216 | Black, Blue, Gold and Pink |
| Plastic | Plastic |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 5.5 inches | 6 inches |
| 1280 x 720 pixels (HD) | 1480 x 720 pixels |
| Super AMOLED | Super AMOLED |
| 267 pixels per inch | 274 pixels per inch |
| No touch screen | No touch screen |
| 7.1 | 7.2 |
| Performance | |
| Samsung Exynos 7 Octa 7884 chipset | Qualcomm Snapdragon 450 SDM450 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| ARM Mali-G71 GPU | Adreno 506 GPU |
| 8.82 | 8.91 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 256 GB) external memory slot |
| 8.88 | 10.78 |
| Camera | |
| 13.00 MP + 8.00 MP | 16.00 MP + 16.00 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 | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 9.02 | 9.46 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA and HSUPA |
| Micro SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.1 | 6.3 |
| Battery Life | |
| 3000mAh Battery | 3500mAh Battery |
| Removable Battery | Non-Removable Battery |
| 4.96 | 5.44 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.2 |
| GPS | GPS |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Light Sensor and Proximity Sensor | Accelerometer and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy J8 has an overall score of 76.7, which is slightly better than Galaxy J7 Duo's general score of 74.6. Both phones in this review include Android operating system, but Galaxy J8 has the previous 10 version and Galaxy J7 Duo has Android 8.0 Oreo version. Galaxy J8's body has the same thickness than the Galaxy J7 Duo, but it is a bit heavier.
The Samsung Galaxy J8 counts with just a bit better looking display than Galaxy J7 Duo, because it has a bit better display density, a little larger display and a quite better 720 x 1480 resolution. The Galaxy J8 features just a bit better performance than Galaxy J7 Duo. Both have 8 processing cores and the same RAM amount.
The Galaxy J8 features much more memory for games and applications than Galaxy J7 Duo, and although they both have a SD memory slot that holds up to 256 GB, the Galaxy J8 also has more internal memory. The Galaxy J8 captures slightly better videos and photos than Galaxy J7 Duo, and although they both have the same 30 fps video frame rate and the same (Full HD) video resolution, the Galaxy J8 also has a back facing camera with a higher 16 MP resolution, a bigger aperture and a larger back camera sensor providing a higher image quality.
The Samsung Galaxy J8 features just a little better battery lifetime than Galaxy J7 Duo, because it has 3500mAh of battery capacity instead of 3000mAh.
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