Are you sure CB score didn't drop? Suspicious that it is exactly the same in two screenshotsGuys can you pls test the following? https://extreme.pcgameshardware.de/prozessoren/470191-sammelthread-amd-ryzen-1888.html#post9942313
I loaded up my UV allcore Profile for 4.275GHz and testet with CB R20 and i was able to reduce Power Consumption and Temps by a large margin with a lil tweak
But yes, PPT method works (and much better than undervolting), it takes advantage of optimal power/performance of every core.