| Global Score | |
| 73.1 | 85.7 |
| Basic Information | |
| Samsung | Samsung |
| Android 9.0 Pie, 8.0 Oreo | Android 5.0 |
| 2018-07-13 | 2015-04-10 |
| 6.03 x 3.00 x 0.34 inches | 5.59 x 2.76 x 0.28 inches |
| 6.38 ounces | 4.66 ounces |
| Blue | Black, Gold, Green and White |
| -- | Aluminium and Glass |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 107.00 | $ 950.00 |
| Display / Screen | |
| 5.5 inches | 5.1 inches |
| 1280 x 720 pixels (HD) | 1440 x 2560 pixels (Quad HD / 2K) |
| TFT | Super AMOLED |
| 267 pixels per inch | 576 pixels per inch |
| No touch screen | Capacitive, Multi-touch |
| 7.1 | 9.9 |
| Performance | |
| Samsung Exynos 7 Octa 7870 chipset | Exynos 7 Octa 7420 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | 64-bit ARM Cortex-A57 (Quad-Core 2100 MHz + Quad-Core 1500 MHz) processor |
| 2 GB RAM | 3 GB (1600 MHz) RAM |
| Mali-T830 MP1 GPU | Mali-T760 MP8 (650 MHz) GPU |
| 8.73 | 10.08 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 400 GB) external memory slot | No SD card slot |
| 9.44 | 10.1 |
| Camera | |
| 13.00 MP + 13.00 MP | 16.00 MP + 5.00 MP |
| f/1.70 aperture | f/1.90 aperture |
| 28.00mm focal length | 28.00mm focal length |
| 0.33 inches (1/3.06") sensor | 0.38 inches (1/2.6") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (4K) video resolution |
| 9.13 | 8.47 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA, HSUPA, UMTS, EDGE, GPRS and GSM |
| Nano SIM | Nano SIM |
| 6.6 | 6.7 |
| Battery Life | |
| 3300mAh Li - Polymer Battery | 2600mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.28 | 4.56 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 4.1 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
The Galaxy S6 Edge has a general score of 85.7, which is better than Samsung Galaxy J7 Star's 73.1 score. Even though the Galaxy S6 Edge is a lot older than the Samsung Galaxy J7 Star, it's construction is lighter and somewhat thinner. Both phones in this review come with Android OS (operating system), but Galaxy S6 Edge has 5.0 version while Samsung Galaxy J7 Star has Android 9.0 Pie version.
Galaxy S6 Edge has a faster processing unit than Galaxy J7 Star, and although they both have 8 CPU cores, the Galaxy S6 Edge also has a greater amount of RAM, an extra GPU and a 64 bits processor. The Galaxy S6 Edge counts with a lot better screen than Samsung Galaxy J7 Star, because although it has a quite smaller screen, it also counts with a much higher 2560 x 1440 resolution and a lot higher pixel count per inch in the screen.
The Samsung Galaxy J7 Star has just a bit better camera than Galaxy S6 Edge, because although it has a way lower 1920x1080 (Full HD) video quality, a tinier back-facing camera sensor providing a lower image quality and a lower 13 mega pixels resolution back camera, it also counts with a larger aperture.
The Galaxy S6 Edge features slightly more memory capacity for games and applications than Galaxy J7 Star, because although it has no SD extension slot, it also counts with more internal storage capacity. Galaxy J7 Star counts with greater battery performance than Galaxy S6 Edge, because it has 3300mAh of battery capacity against 2600mAh.
Although Galaxy S6 Edge is a better device, it is way more expensive than Samsung Galaxy J7 Star, and it doesn't have such a good relation between it's price and quality as Samsung Galaxy J7 Star. So if you want that extra features and specs, you can buy the Galaxy S6 Edge, but if you don't you can save a couple dollars and buy the Samsung Galaxy J7 Star, letting go some specifications.
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