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CPU not boosting under load. I have a noctua nhu12s so that’s not the problem

I have an Intel i7 4770, not the k version.the base clock is 3.4ghz. I have enabled performance mode so the chip is at 3.8ghz at low utilization but what I don’t understand is why it goes down to 3.47ghz but is at 100% utilisation when I run cinebench or try to render something in premier pro . I have disabled eist in the bios but nothing changed.. The temps are hovering in the high 40s low 50s. If anybody has anything else that I can try please tell me.

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That's just the limit intel has set for the chip. It's completely normal for a CPU to boost higher under lighter loads and then lower when all cores are loaded up. Even if you have temperature headroom, your CPU is locked and you can't do anything about it. With a K-series CPU you could disable all restrictions set by intel and/or OC your CPU.

If someone did not use reason to reach their conclusion in the first place, you cannot use reason to convince them otherwise.

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