How profitable is ETH Classic with GPU’s
Try here https://whattomine.com/coins.
Like most mining, it depends upon your electricity cost. But, yea, you can run the calculations on WhattoMine as oorWullie has noted. Very likely less profitable than mining Eth right now.
Returns are OK at the moment, but it’s difficult to exchange due to recent 51% attacks. Not all exchanges are accepting deposits of ETC and those that are such as Coinbase, have a 2 week confirmation time.