The Samsung Galaxy A7 (2017) has been spotten on GFXBench a while ago, and now he was joined by the Samsung Galaxy A3 (2017). We have learned that the A3 will have: 

an octa-core 1.5GHz processor

a 4.7-inch HD display

RAM is 2GB

8 GB of internal memory 

12 MP rear camera 

8 MP front shooter 

Android 6.0.1 preinstalled.