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Core i5 4690k OC

Czaja
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Go to solution Solved by Imakuni,
3 hours ago, Czaja said:

When i stop prime my core speed drops to 800mhz . When i turn it on again is again jumping to 4.2 but ussually its still 800mhz . Am i doing something wrong ?

You're not doing anything wrong. This is just the power saving features kicking in; when you don't need all that power, the clock goes down. This is expected behaviour, and while you could disable that if you wanted to, there's really no reason to do so. JUst leave it as is.

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I just bought CM hyper 212 evo , i OC my 4690k from 3.5 to 4.2 with vcore voltage setted at 1.16 on stress test by prime95 v26.6 on cputemp i have max temp around 65 max 100%core use . When i stop prime my core speed drops to 800mhz . When i turn it on again is again jumping to 4.2 but ussually its still 800mhz . Am i doing something wrong ? Everything i changed is just a multiplier on core to 42 and vcore voltage to 1.16 . I spend hours testing and changing bios settings and imnot quite sure how to get it stable , windows settings at power save mode is performance ...

 

core i5 4690k

Gigabyte z97

gtx 970 gtx

16gb ram 

 

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4 minutes ago, Czaja said:

I just bought CM hyper 212 evo , i OC my 4690k from 3.5 to 4.2 with vcore voltage setted at 1.16 on stress test by prime95 v26.6 on cputemp i have max temp around 65 max 100%core use . When i stop prime my core speed drops to 800mhz . When i turn it on again is again jumping to 4.2 but ussually its still 800mhz . Am i doing something wrong ? Everything i changed is just a multiplier on core to 42 and vcore voltage to 1.16 . I spend hours testing and changing bios settings and imnot quite sure how to get it stable , windows settings at power save mode is performance ...

 

core i5 4690k

Gigabyte z97

gtx 970 gtx

16gb ram 

 

Turn speedstep off in the BIOS, problem solved.

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6 minutes ago, Czaja said:

And also is it healthy to run my cpu on 4.2 even when idle ? (Idle temp is around 30c)

I might be wrong but I think it's actually slight better as when idle, your CPU will step down to 800mhz (saving power as well as not making your CPU work too hard). I remember mine to be like this as well in the past. Then I think I changed something in BIOS and now it's all the way 4.5Ghz ... Can't remember how to change it back. :(

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2 hours ago, Czaja said:

Im not quite sure if ive got anything like this . But i know i have an option like intel saving mode which obviously describe drop mhz when in idle , but i disabled it . Any more ideas ? Im tired of trying :x

There are a few different power-saving features within the UEFI BIOS.

Disable 'Intel Speed Step' (I believe Gigabyte lists it as CPU EIST in their BIOS) if it is still Enabled.

It is part of your i5-4690K, I'm 110% sure. "I'm not sure if I've got anything like this..." does not apply for your i5-4690K.

(I own a i5-4690K).

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3 hours ago, Czaja said:

When i stop prime my core speed drops to 800mhz . When i turn it on again is again jumping to 4.2 but ussually its still 800mhz . Am i doing something wrong ?

You're not doing anything wrong. This is just the power saving features kicking in; when you don't need all that power, the clock goes down. This is expected behaviour, and while you could disable that if you wanted to, there's really no reason to do so. JUst leave it as is.

Want to help researchers improve the lives on millions of people with just your computer? Then join World Community Grid distributed computing, and start helping the world to solve it's most difficult problems!

 

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6 hours ago, VolkA said:

I might be wrong but I think it's actually slight better as when idle, your CPU will step down to 800mhz (saving power as well as not making your CPU work too hard). I remember mine to be like this as well in the past. Then I think I changed something in BIOS and now it's all the way 4.5Ghz ... Can't remember how to change it back. :(

Reset your bios and the OC again lol.

i5 6600k @ 4.4ghz on Hyper 212 Evo

Powercolor RX 480 8Gb Red Devil @1330Mhz

 

Bottom line:  Don't be a spaz or an 800lb gorilla when installing your expensive CPU, and you won't have any problems. --Phate.exe

 

 

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