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What is the relationship between FSB and CPU core frequency?

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  • CPUs
  • Core
Last response: in CPUs
November 4, 2010 5:08:52 PM

What is the relationship between FSB and CPU core frequency?

More about : relationship fsb cpu core frequency

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a b à CPUs
November 4, 2010 6:01:18 PM

FSB * Multiplyer = CPU Speed

EG: 333MHz FSB * 10x Multiplyer = 3.33GHz

Note: Most FSB are measured in speeds ranging in the hundreds of Mz, although they are sometimes stated as 1332, 1600, etc. If so, divide by 4 to get the actual FSB speed. [The FSB on intel chipsets is quad pumped, hence the divide by 4 operation.]

On newer systems, the equation is simplified to:

333MHz * Multiplyer = CPU Speed

Note the only way to OC now is to change the Multiplyer, as there is no more FSB.
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January 10, 2016 7:44:27 AM

yineth666 said:
What is the relationship between FSB and CPU core frequency?


Hello! Have you ever found the answer to this question?! I see this was asked nearly 6 years ago and still no one has answered you.
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February 18, 2016 1:39:12 AM

I have more questions about CPU and FSB in this thread I'll be happy of you join
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