Intel is aiming to reach that clock speed with Prescott, an upcoming processor for desktop computers that will be built using a 90-nanometer manufacturing process. (A nanometer is a billionth of a meter.) Prescott is scheduled to ship this quarter to PC makers, Otellini said. But it's not expected to come in desktop PCs until early next year. Right now, Intel's fastest chip is the 3.2GHz Pentium 4.

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