Is Centrino 1.5Ghz = Pentium IV 3 Ghz

While purchasing laptop, a company told me that

Centrino 1.5Ghz = Pentium IV 3 Ghz

likewise

Centrino 1.6Ghz = Pentium IV 3.2 Ghz

They say "Intel Centrino Processor is equal to "Double" the speed in comparison to P4 eg. Centrino 1.3 is similar to P4 2.6"

How far is it correct.
lordnomiAsked:
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Lee W, MVPTechnology and Business Process AdvisorCommented:
Who's they?  Centrinos are a little more advanced than an equivalent P4 at that speed, but DOUBLE?  No way.  See:
http://www.cpuscorecard.com/all_cpus.htm
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woodendudeCommented:
leew is right

http://www.cpuscorecard.com/cpuprices/note_ipm-1500.htm   right above the "eBay" logo there is a little box that says "pop up window to compare" open that and have a look.
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woodendudeCommented:
sorry says "pop up a cpu scorecard to compare"
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davidis99Commented:
The company you talked to was somewhat off in their representation of Pentium M (the processor in Centrino) compared to Pentium 4.  A Pentium M of any given speed is roughly comparble to a Pentium 4 processor that is 50% faster, so a Pentium M of 1.6 Ghz is comparable to a Pentium 4 - 2.4 Ghz, While a Pentium M - 2 Ghz is comparable to a Pentium 4  - 3 Ghz.
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lordnomiAuthor Commented:
thanks guys, i think i made a wrong decision or was misguided :(
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