I tried Nvidia Inspector to bring the power down to 60%. It's now cool (64°C) and silent. And I lost far less mining power than 40%, more like 15% -- sol/W went up from 0,45 to 1, so it's much more efficient than before!

Thx, all perfect now!

I have a problem with miniZ and the intensity switch.

short: if intensity is not at the default 100 (%) but set to any value (even at 95) the work stops completely after a short time

long:
I run miniZ with default settings to mine BTCZ (144,5) on BTCzAppPool with an Nvidia GeForce RTC 2070 SUPER and everything works fine. But my GPU temp is around a red 74°C and I want to sacrifice some of the mining speed to lower the temp (and fan volume )
I tried various intensity settings but they all have the card running at full power for a short time (about a minute, I guess in this time miniZ is measuring what 100% is) and then work drops to zero -- the online miner chart goes down to zero and the onscreen I/s and Sol/s (which are averages over some time) also go down fast towards 0. This happens even at --intensity=95
The intensity value I set is shown correctly in the startup sequence but it always shuts down work after some time.

What can I do/try?

Thanks for all help in andvance!