According to a set of recently spotted benchmark listings, the Samsung Galaxy A6 is powered by the Exynos 7870 processor, while the Plus variant has a Qualcomm Snapdragon 625 under the hood. Both are expected to debut in Europe, Russia, and the Middle East in the coming months with Android Oreo onboard.
https://www.notebookcheck.net/The-Samsung-Galaxy-A6-and-Galaxy-A6-coming-later-this-year.292648.0.html