Performance drop after OC

lukaszelvys10

Prominent
Sep 3, 2017
4
0
510
Hello there guys.
I recently bought a GA EP45-UD3LR
i have a Q6600 which I tried overclocking to 3.0 Ghz
I'm not using a stock heatsink, temps are bellow 60c(OC'd).
I took about 50cb performance drop in CineBench
any ideas why?