Intel adopts the clock speed is everything stance, and is bolstered by its products which chew through more megahertz more quickly than anyone else's.

Other measurements muddy the waters, it argues. So what then is the difference between the 2GHz P4 and the 2.0AGHz P4? They both clock in at 2GHz but in Sysmark 2001 benchmark tests published on Intel's own web site, the 2GHz records a score of 190, while the 2AGHz notches up 204. Intel has introduced the "A" nomenclature to indicate 2GHz chips built with a Northwood core.

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