Interestingly, the Galaxy J7 and J5 are Samsung's first smartphones to offer front-facing LED flashes (to complement their 5 MP wide-angle selfie cameras). Besides that, they have many common features, including: LTE, dual SIM capabilities, 1.5 GB of RAM, 16 GB of expandable storage space, and 13 MP rear cameras with f/1.9 aperture. The J7 is more powerful than the J5, as it uses an octa-core Snapdragon 615 processor. The Galaxy J7 is also larger, sporting a 5.5-inch display with 720 x 1280 pixels, while including a bigger battery (3000 mAh).
The Galaxy J5 offers a 5-inch 720p display, it's powered by a 1.2 GHz quad-core Snapdragon 410 processor, and has a 2600 mAh battery inside.
Both the Galaxy J7 and Galaxy J5 run Android 5.1 Lollipop, and will be available in China in three color versions: black, white, and gold. The J7 will cost 1,798 CNY (around $289), while the J5 will be sold for 1,398 CNY (around $225).
At the moment, we don't know if the Galaxy J7 and J5 will be released in other markets. Would you be interested in buying any of the two?
source: Samsung China (Galaxy J7, Galaxy J5)