The Moto Z3 Play will feature the Snapdragon 660 SoC with the usual complement of 4/6 GB RAM and 64/128 GB storage, plus it also gets a bigger 3,300 mAh battery. Although it gets a slightly smaller 4,850 mAh battery, the Moto E3 Plus will get a Snapdragon 430 octa-core SoC coupled with 3/4/6 GB RAM and 32/64/128 GB storage, respectively.
https://www.notebookcheck.net/Chinese-Moto-Z3-Play-E5-Plus-get-improved-specs.318568.0.html
Not sure the snapdragon 430 supports 6 gb of RAM ???. I've never seen a smartphone with this overkill combo