CPU doesn't run at max clock

Agent Apple · Jan 19, 2017

I overclocked my 6700k to stable 4.6 and 4.7ghz (tested with realbench, able to run at max clock).

How ever, when I test it with aida64, intel burn in, cinebench, the cpu doesn't reach max oc clock it usually stay between 4.2-4.5.

I don't know what caused it. I cleared cmos, reinstalled windows, turn off c state and est but the problem still there.

When every settings is at stock (cpu and motherboard), the clock never stay at 4.2 ghz when using cinebench, intel burn in, and aida64. It only stay at 4.0ghz. The 6700k should get up to 4.2ghz when under load.

PLZ helpppp

Colethelion321 · Jan 19, 2017

just for some extra info. what cooler and PSU are you using?

Colethelion321 · Jan 19, 2017

what does you utilization say in task manager?

Khai Nguyen · Jan 19, 2017

Colethelion321 :

I am using the kraken x61 and utilization is at 100%

Colethelion321 · Jan 19, 2017

interesting. usually task manager will be stuck at %99 when this happens

Colethelion321 · Jan 19, 2017

make sure intel isnt dialing turbo boost, make sure bios checks out and all that

Agent Apple · Jan 19, 2017

Colethelion321 :

You meant turn off the turbo boost? how to turn it off?

Colethelion321 · Jan 19, 2017

make sure turbo boost is on, (auto correct typing this on a Mac) and intel isn't turning turbo boost on and off. or just off hahaha

Agent Apple · Jan 19, 2017

Colethelion321 :

I am sure that it is on. I think it is on as default because I reset the c mos.

Colethelion321 · Jan 19, 2017

wow this is really weird

Agent Apple · Jan 19, 2017

Colethelion321 :

It doesn't happen before. There was one time I test my system with aida64 at 4.6ghz with 212 evo and it was fine.

Agent Apple · Jan 19, 2017

BTW, it run at max when only test the CPU alone in aida64, but not CPU, FPU, and cache together.
It doesn't even run at max when test with prime95

Colethelion321 · Jan 19, 2017

Agent Apple :

contact intel support www.intel.com/support

Agent Apple · Jan 19, 2017

Colethelion321 :

Is my cpu still under warranty if it is oc-ed?

Colethelion321 · Jan 19, 2017

its worth a shot, usually the don't care. but I wouldn't volunteer the info

Agent Apple · Jan 19, 2017

Colethelion321 :

IDK if this matter, when I use aida64 and cinebench to stress the cpu, the utilization is 99% if I look at the Processes tab (the percentage that is on the CPU section) but when I look at the Performance tab, it is 100%

So just like you said, the utilization is 99%

Colethelion321 · Jan 21, 2017

I mean task manager performance. sometimes windows power management limits it to %99 or %90 percent. so go into power management make sure its set to use max power. restart computer and see if it changes

CPU doesn't run at max clock

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