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Overclocking a i5-2500?

Last response: in Overclocking
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December 9, 2012 3:12:31 PM

Is it possible to overclock an i5-2500(without K)? I am not looking for a insane overclock, just a nice boost.

It would be nice if you could tell me how to overclock it, not just if its possible.

This is my MOBO http://www.newegg.com/Product/Product.aspx?Item=N82E168...

I also have a stock cooler. so tell me if i need to get a hyper 212.

Tell me if you need anymore information.

Thanks in advance.

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a b à CPUs
a b K Overclocking
December 9, 2012 3:28:51 PM

You'd have to overclock using the BCLK. However, I highly recommend not doing this as it causes a LOT of stress on the motherboard. Using the BCLK to overclock causes stress on the RAM, PCI-Express, And just about everything else on the motherboard. The last couple generations of motherboards just don't take kindly to overclocking the BCLK. And the gains aren't going to be that impressive in real world.

100 x 33 = stock 3.3Ghz
110 x 33 = 3.630Ghz

And 110 on most P67/Z68/Z77 motherboards is hard to get to stable. The K series is there mainly for overclocking purposes, the non-K; it's best to remain stock with them.
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December 9, 2012 4:05:53 PM

Best answer selected by mistakwa.
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a b à CPUs
December 9, 2012 4:22:50 PM

this is not true...you can set the base frequency to the highest 4 core turbo frequency on most z68 motherboards thus giving a small OC
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a b à CPUs
a b K Overclocking
December 9, 2012 5:08:43 PM

Turbo stepping works like this with an 2500.

3.3Ghz normal
3.4Ghz four core turbo
3.5Ghz three core turbo
3.6Ghz two core turbo
3.7Ghz one core turbo

http://www.intel.com/support/processors/corei5/sb/CS-03...

However, the turbo technology is designed to keep the processor within stock TDP limits. So the processor cannot effectively go over the 95W rating. At 3.6Ghz with all four cores operational it can pass the TDP. So even setting the turbo that way is ineffective once the TDP is calculated by the processor.

Using the multiplier and or BCLK can bypass the limitations as it's not being effected by the Turbo and for the most part completely disables the turbo ability. Turbo simply increases the efficiency of the processor in low number of threads. Basically shutting cores down to bring the processor to a higher speed without crossing that TDP line. Effectively at max turbo the i5-2500 is a 3.7Ghz Single core processor that is good for single thread applications. However I haven't seen any applications in the last few years that didn't benefit from at least a dual core.
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a c 283 à CPUs
a c 110 K Overclocking
December 9, 2012 11:42:20 PM

This is what he's talking about (showing a 2500 non K):


You can raise each of the Turbo mulit's by 4 each to achieve a nice small OC.

It's my opinion that you should never touch the BCLK or if you want to do it anyway, make 103-105Mhz the absolute limit. Anything over 105Mhz starts to get dangerous for rest of the system.

In all honesty, it's just not worth it. Too many things can happen and none of them are good. Just use the Turbo multi's only.
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