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Intel® Processor Numbers
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Mobile Intel® Pentium® 4 processor Mobile Intel® Pentium® 4 processor
 
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Processor
Number		 Architecture Cache Clock
Speed		 Front
Side
Bus		 HT
technology¹		 Enhanced
Intel
SpeedStep®
Technology
552 90 nm 1 MB L2 3.46 GHz 533 MHz
548 90 nm 1 MB L2 3.33 GHz 533 MHz
538 90 nm 1 MB L2 3.20 GHz 533 MHz
532 90 nm 1 MB L2 3.06 GHz 533 MHz
518 90 nm 1 MB L2 2.80 GHz 533 MHz

¹ Look for systems with the Mobile Intel® Pentium® 4 Processor with HT Technology logo which your system vendor has verified utilize Hyper-Threading Technology. Performance will vary depending on the specific hardware and software you use. See www.intel.com/products/ht/hyperthreading_more.htm for information.