Welcome back Kuta!
That is definitely quite the nice rig you've got there. Just curious; is one of your cards thermal throttling, or have you intentionally reduced power target for it? If you have intentionally reduced power target I'm curious what % you have it set at, as it is still getting about 90% the performance of the other two.
A while back I was trying to use EVGA Precision XOC to optimize the power consumption to computational throughput ratio, but gave up because it was buggy as anything at the time and it kept forcing the fans to turn off. Might give it a go again though soon.
Best of luck in TdP this year with that rig!