Dothan officially debuts

Intel has formally announced a line of mobile processors based on the new "Dothan" Pentium M core. The Dothan-based chips are built using a 90-nanometer strained silicon manufacturing process and come with a whopping 2MB of L2 cache. Initial speed grades are available at 1.7, 1.8, and 2.0GHz, though Intel's new processor model numbering scheme will refer to the chips as Pentium M processor 735, 745, and 755, respectively.

Perhaps the most impressive trait of Intel's new mobile chips is their low power consumption. Despite Intel's struggles to reign in Prescott's power consumption, the new 90-nano Pentium Ms have a Thermal Design Power (TDP) rating of only 21W.

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