Article ID: 311051 - Last Review: May 28, 2009 - Revision: 3.0

CPU speed in System Properties dialog box may differ from actual CPU speed

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SUMMARY

The System Properties dialog box displays basic information about your computer, including the computer's processor speed. However, the value for the processor speed in this dialog box may differ slightly from the manufacturer's specification.

MORE INFORMATION

The value that is listed in the System Properties dialog box refers to the current speed of the CPU and not the processor's maximum speed. Because of minor variations in clock frequencies for the CPU and system bus, the current speed may differ from the maximum speed. For example, if the processor's speed is listed as 850MHz, the System Properties dialog box may display the CPU speed as 849MHz, 848MHz, or possibly lower.
APPLIES TO
  • Microsoft Windows XP Home Edition
  • Microsoft Windows XP Professional
  • Microsoft Windows XP Tablet PC Edition
  • Microsoft Windows XP Media Center Edition
  • Microsoft Windows XP Professional x64 Edition
  • Microsoft Windows Server 2003, Standard Edition (32-bit x86)
  • Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)
  • Microsoft Windows Server 2003, Datacenter Edition (32-bit x86)
  • Windows Vista Business
  • Windows Vista Enterprise
  • Windows Vista Home Basic
  • Windows Vista Home Premium
  • Windows Vista Starter
  • Windows Vista Ultimate
  • Windows Server 2008 Datacenter
  • Windows Server 2008 Enterprise
  • Windows Server 2008 Standard
  • Windows Web Server 2008
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Keywords: 
kbinfo KB311051
 

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