The EIP1559 upgrade in July will turn ETH into a deflationary asset while bitcoin will continue to become inflationary.
So after July there will be no more ETH mining, which would be the equivalent of the last 4 months left to mine bitcoin in roughly the year 2140.
Just the words change, there wont be ETH mining but there are staking rewards which means more coins are created, i am certainly curious to see how the staking will affect ETH in the long term as the majority who invest heavily have the final say in the entire network while the rest of the users should follow them and it is a heavily premined coin, so figure out what happens and i am expecting more issues in the future than a positive change.