Intel® Processor Identification Utility
Information Reported in Windows* Version

Utility installation frequency test tab

  • Expected processor frequency: The highest speed the tested processor is manufactured to run.
  • Reported processor frequency: The speed the tested processor is running.
  • Expected system bus: The highest frequency the system bus on the tested processor is manufactured to run.
  • Reported system bus: The actual system bus speed the tested processor is running.
  • Reported cache memory: The actual size of the highest level of processor cache. If the processor has L3 cache, the amount of L3 cache is displayed. But if L2 cache is the highest level, the actual size of L2 cache is displayed.

Small variations in clock frequencies are common. If you see a significant variation, contact your computer or processor manufacturer for technical support information.

CPU technologies tab

This tab provides a Yes | No designation for technologies included in the processor:

  • Intel® Virtualization Technology
  • Intel® Hyper-Threading Technology (Intel® HT Technology)
  • Intel® 64 Architecture
  • Enhanced Intel SpeedStep® Technology
  • MMX™ technology
  • Intel® Advanced Vector Extensions
  • Intel® AES New Instructions
  • Intel® VT-x with Extended Page Tables
  • Intel® SSE, SSE2, SSE3, SSE4

CPUID data tab

  • Processor classification: Type, family, model, stepping, and revision information.
  • Processor details: Cache sizes, packaging information, and platform compatibility guide level.
  • Displays other processor technologies, including execute disable bit and enhanced halt state (if available).
Related topic
Download the latest version of Intel® Processor Identification Utility

Operating System:

Windows XP Professional x64 Edition*, Windows Server 2003 Standard x64 Edition*, Windows Server 2003 Enterprise x64 Edition*, Windows Vista *, Windows Server 2008 *, Windows 7 *, Windows 2000 *, Windows 8*, Windows 8.1*, Windows XP Professional*, Windows XP Home Edition*, Windows Server 2003 Standard Edition*

This applies to:

Intel® Processor Identification Utility

Solution ID: CS-015479
Last Modified: 14-Oct-2014
Date Created: 08-Sep-2004
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