Can't get CPU to stay at 4.5ghz

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jpardo2

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Jun 15, 2012
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Running an Intel i5 2500k with an asrock extreme 3 motherboard. Overclocked the multiplier to 45 and its holding with all the voltages stable, but the second I idle the processor or decrease the workload it goes down to 1.6ghz. I guess the only questions I have are this, Will this make a difference when playing multiplayer FPS games online? and is it better to just leave it alone? I know its a waste of energy, and when I'm not using the computer I turn it off, so I'm not wasting electricity in the process. I've heard that it can have a negative effect on gaming though, which somewhat worries me. I must say even with it on I had no performance issues while playing earlier this morning. Any thoughts or comments?
 
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this is an...

this is an option in the bios called speedstep technology. it is VERY useful in keeping temps down and increasing the life of your processor. I use it and Game frequently; if your overclock is stable then keep speedstep on. My 2500k is at 4.5ghz and i keep speedstep on and i have no issues with gaming, the primary function of my rig. it keeps your cpu in a lower powered state. you dont want your cpu at 4.5ghz all the time now when youre even browsing the net right?
 
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+1 :D
 

teknique

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Jan 17, 2012
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this is a power saving feature when idling and it can be turned of in the BIOS. i forget what feature is called...

check when your pc is under load, it should jump back up.


EDIT: oops didn't get there first. speedstep.. thats the one.
 

jpardo2

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Ok so I will just keep it on then, like I said I have heard of people saying it's better to leave it on, and others tell me turn it off. I like the idea of saving some cash on the electric bill, plus the environment factor. +1's to everyone, and if I could give you all the best answer I would.
 
Overclocking is never guaranteed. Issues can arise when a processor steps from one frequency and core voltage to a much higher frequency and core voltage. This is because there exists a practical limit on the time rate of change of voltage called the Slew Rate

http://en.wikipedia.org/wiki/Slew_rate

Intel's EIST should engineer around this by increasing the stepping period prior to restarting execution but there are literally hundreds of different factors which can cause instability.
 
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