Characteristics Overview

The following is a list of the Pentium® M's characteristics (in no particular order):

  • It's a variant on the Pentium® III core.

  • Speeds of 1.2GHz, 1.4GHz, 1.5GHz, 1.6GHz, 1.7GHz (as of 6/12/04).

  • Enhanced power management characteristics:

    - Deeper Sleep state added.

    - Enhanced SpeedStep technology.

    - FSB power utilization enhancements.

    - The processor automatically shuts down units that are not in use.

  • 32KB 8-way L1 Code Cache (caches IA32 instructions, not μops). Latency = 3 clock cycles. Cache line size = 64 bytes.

  • ITLB has 128 entries.64 byte line size.

  • 32KB 8-way WB L1 Data Cache. 64 byte line size.

  • 1MB L2 ATC, 64 bytes per line.

  • Enhanced branch prediction logic.

  • Enhanced hardware-based data prefetch logic.

  • 400MHz FSB (100MHz BCLK). ...

Get The Unabridged Pentium 4 IA32 Processor Genealogy now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.

Start your free trial