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Intel ships mobile Prescott P4s

And a Pentium M-based Celeron

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Computex Intel this week launched its first 90nm Mobile Pentium 4 processors and took its 130nm mobile Celeron line into the Centrino era.

The new Mobile P4s are numbered 518, 532 and 538, and are clocked at 2.8, 3.0 and 3.2GHz, respectively. All three are based on the 'Prescott' core, offering 1MB of L2 cache, HyperThreading support and SSE 3. As notebook-oriented parts, they also contain SpeedStep power-conservation technology.

The 130nm Celeron M 340, meanwhile, clocks at 1.5GHz, operates using a 400MHz frontside bus and contains 512KB - half the amount of the Pentium M processor from which it's derived. Like the PM, the new Celeron works with Intel's i855 chipset family, but don't expect the two to be offered under the Centrino brand - even in machines with one of Intel's 802.11 wireless networking adaptors.

The 340 is priced at $134 in batches of 1000 chips. The 518, 532 and 538 are priced at $202, $234 and $294, respectively, when sold in the same quantities. ®

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