yeah, curious about what their cut is as well
Looks like they are pretty much the same based on this article.
yourbusiness.azcentral.com/google-checkout-vs-paypal-fees-8224.html
2.9% + $0.30. One benefit to Google Pay is that the chargeback fee is only $10 instead of $20 like Paypal.
Although the actual Google site says there are no fees for merchants using Google Pay, they treat it as a “card present” transaction. Not sure how this translates to online sales. It’s all about as clear as mud.