If you'd like to have a good description of the (pretty) current state of Ethereum compared to other blockchains, than this report is of good quality and worth reading. The above table is a snapshot of page 4.
Does the Future of Decentralized Finance Still Belong to Ethereum?
this article is more recent and explains more about potential staking rewards
[Ethereum Staking and Lending Rates](Ethereum Staking and Lending Rates)
Previous reports by Crypto research van be found here
Cryptoresearch reports
What do you think about the future of Ethereum?