If you wanted to upgrade from Zen3/4, don't get your hopes up...
https://www.youtube.com/watch?v=OF_bMt9fVm0
On average, 9700X is few percent faster than 7700X, and has slightly lower consumption. Upgrading from Zen 3/Zen 4 not warranted.
https://www.youtube.com/watch?v=OF_bMt9fVm0
On average, 9700X is few percent faster than 7700X, and has slightly lower consumption. Upgrading from Zen 3/Zen 4 not warranted.
Check Level1Tech's video. This would be a great generation for Epyc too.