Although the official launch might still be a week or two ahead of us, a Hungarian online store has just published the product pages for the Moto G6 and G6 Plus, revealing all the details. According to it, both handsets feature a Qualcomm Snapdragon processor, 64 GB internal storage, and a main camera that combines a 12 MP sensor and a 5 MP one.
https://www.notebookcheck.net/Moto-G6-and-G6-Plus-retail-listings-show-up-before-the-official-launch.293660.0.html