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Overclockable?


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#1 gigawert

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Posted 25 February 2016 - 10:22 AM

Is the Intel Core i5-4440 overclockable? If so what should I use? I want to see if I can get a little better performance in some games without upgrading hardware (yet).


Edited by gigawert, 25 February 2016 - 10:22 AM.

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#2 ScathEnfys

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Posted 25 February 2016 - 10:30 AM

Unfortunately it is not. In order to overclock, the multiplier of the chip must be unlocked. The easy way to tell with Intel CPUs is to look for a letter on the end of the number:

U = mobile chip (not overclockable)

K = unlocked multiplier (overclockable)

X = extreme edition (overclockable)

 

If there is no letter on the end, as in your case, the processor is a standard desktop chip, and is not overclockable.*

 

*Very rarely, you will come across a series of chips that can be overclocked by modifying the BCLK (base clock). I have heard that skylake (newest gen CPUs) allow this, but I do not believe yours does. In any case, BCLK overclocking is significantly more involved than regular multiplier overclocking, and should not be attempted unless you really know what you are doing.


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#3 gigawert

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Posted 25 February 2016 - 10:44 AM

Darnit.  At least I know more about those things for when I build more PCs.


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#4 ScathEnfys

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Posted 25 February 2016 - 10:58 AM

Honestly though, I wouldn't buy an unlocked CPU unless there was some sort of deal on it that made it as cheap as or cheaper than the non-unlocked varient (example: Microcenter usually has $40 savings when you buy an unlocked CPU and a motherboard at the same time.)

 

When you do start overclocking, please make sure to read lots of guides on it (overclock.net is a good resource). Overclocking is not an exact science, and there is a lot of what us overclockers call "the silicon lottery" involved. Overclocking can also induce tricky to find instabilities that can do anything from corrupt data to cause a BSoD. There are ways to make sure ones overclock is relatively "safe" (see: Stress/Torture Testing, Prime95), but nothing is certain. You are, after all, operating outside the manufacturer's specs. Therefore I strongly advise against overclocking any system with mission-critical function or financial information.


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