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How much do you attribute overclocking ability to the motherboard, and how much to the processor? Is it an even 50/50?

post #1 of 7
Thread Starter 
So, just a general question Im curious about to those with the knowledge. How much can the success of an overclock (stability) be attributed to the motherboard, or the processor itself? What parts on the board would be the first to cause instability if they were not quite up to par? Im anticipating many "it takes both the mobo and cpu to be just as good" answers, but is that completely true? Are the processes that manufacture motherboards more or less stringent than the ones that manufacture CPU's? Just been pondering this today. biggrin.gif
post #2 of 7
Assuming air or water cooling, and a certain minimum quality of all components (no total crap and nothing outright defective), the CPU is going to be 99% of the overclock.

For most people there will be no perceptible difference if they spend 120 dollars on a motherboard or 400 dollars on a motherboard.
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post #3 of 7
Um..vrm count and quality is definitely a factor..Choke quality is important,too.None of this matters if you have a dud chip..but..A good quality motherboard is needed to push some chips to the limit..With Sandy Bridge..eh..Once you can't get into Windows..You're done..Previous statements apply to all platforms except Sandy Bridge :lachen.gif:
 
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post #4 of 7
Thread Starter 
Quote:
Originally Posted by Schmuckley View Post

Um..vrm count and quality is definitely a factor..Choke quality is important,too.None of this matters if you have a dud chip..but..A good quality motherboard is needed to push some chips to the limit..With Sandy Bridge..eh..Once you can't get into Windows..You're done..Previous statements apply to all platforms except Sandy Bridge :lachen.gif:

So is it a general rule the more vrms the better? or not always?
post #5 of 7
general rule:always..quality of those and the chokes matters,too
Like..If you have a 12+1 phase system with crappy vrm chips and chokes ::cough:: AsRock::cough:: It's not going
to be as good as an 8+2 with quality vrms and chokes
 
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post #6 of 7
Quote:
Originally Posted by Blameless View Post

Assuming air or water cooling, and a certain minimum quality of all components (no total crap and nothing outright defective), the CPU is going to be 99% of the overclock.
For most people there will be no perceptible difference if they spend 120 dollars on a motherboard or 400 dollars on a motherboard.

Don't completely agree with this.

A motherboard's VRM design and component quality will affect overclocking. You will especially notice the difference when you really push the volts and clocks. Also, when it comes to long term stability, a lower end motherboard generally tends to do poorly when compared to a high end board.

It's very simple, crappy VRM design and lower quality components result in "dirtier" power delivery to the CPU, which in turn affects stability issues when overclocking. Evidence for this can be found all over the net. Do people remember when the Gigabyte X58 OC came out? People were working wonders on those boards due to its great VRM and component quality (amongst other things).

It's hard to put it in percentage terms, so not going to try.
Edited by hirolla888 - 3/18/12 at 6:34pm
post #7 of 7

And when you have a board where the VRM quality and capacity is just way too low for safe overclocking... (see the links in my sig, various examples noted)

devil.gif

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