Question Cpu stuck at 3.78ghz

Feb 24, 2019
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I have a Ryzen 5 3600 at 4.2ghz. When i change in my bios from normal to asus optimal (wich focuses on performance) my cpu is stuck at 3.78ghz. Idk why cuz this should not get me better performance. My Pc is not in powser saver mode (unltimate performance) wich would be an answer.

And an other side question. My bios recommends me to oc my ram to 3200mhz (from 2400) but my whole system feels slower when i apply it. Idk if its just myself or its rly slower. Can i be that it slows the System?
 
Feb 24, 2019
4
0
10
My Pc is 3 weeks old, there shouldnt be any problem with the motherboard. I have the Prime B450M-A.

and another thing idk it happends. When i change my song on deezer and im playing some games its lagging for 3sec like my pc is at 100% usage. But when im playing with my friend league my pc is at 10%. There is no reason my pc lags when i change a song. Dk why.