According to the recently leaked specs sheet, the upcoming Galaxy A50, A30, and A10 all come with a plastic design and Exynos processors, but there are quite a few differences between them as well. Most specs confirm certain previous rumors, such as the in-display fingerprint reader of the Galaxy A50.
https://www.notebookcheck.net/Specs-sheet-of-Samsung-s-Galaxy-A50-A30-and-A10-surfaces-online.407321.0.html