does bclock make a difference?

Intel Core i7 i7-920 quad core processor
December 23, 2009 at 18:53:59
Specs: ubuntu 9.10, core2 duo E4300 1.8 ghz/1gb ddr2 800 mhz
i am thinking about getting a core i7 processor. i know that if i do, i will want to overclock it.

so, my question is: does what speed the bclock runs at make a difference?
i guess another way to say it is: is the bclock a chip on the mobo?

if all multipliers were unlocked, and everything was running at the same frequency, with a higher multiplier and a lower bclck, would i still get the same performance?

i was just wondering, because it seems like it would be much simpler to set the bclck to something like 300mhz, then reduce the multipliers (QPI, CPU, RAM...), so i would have better control with a 920. (since the multiplier wont go past 20) as long as the bclck isnt a chip, that sounds reasonable to me...
i know that if it was a chip, it would have serious heat issues running at 300mhz when it is supposed to run at 133.

to me, this sounds like a great idea. i couldnt find anything on it on google. (dont let that stop you though) thought i would post about it here, because the people here would probably know this.

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December 23, 2009 at 20:19:13

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December 24, 2009 at 07:16:04
thanks for that link. i know it will help later on.

that site says that its "much like the reference clock found in AMD cpus"

i havent overclocked an AMD system yet, so does that mean that its just a number used as a reference? if that is so, why dont people set it so that the QPI is reasonable, (with the 18 multiplier) and lower the other multipliers?
i have done some reading, and i dont think i ever saw anyone do it this way...

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December 24, 2009 at 08:53:52
300 base frequency?I never seen anyone go that higher and if u manage to reach 300 the pc will unstable. Core i7 920 has 133 bclk pump it to 175 with mult 20 u should hit 3.5ghz without adjusting any voltage(make sure to decrease uncore frequency mult,memory freq mult,qpi freq mult) if u want to go further u need to adjust voltage up to(1.35) its not recomended to use 1.4v.

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December 24, 2009 at 11:46:42
ok, thanks. i was just using 300 as an example. i might do it that way when i OC my rig if i do get the i7.

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