About this tag
The tag 'cpu brand string' refers to the processor identification label displayed by Windows, such as 'Intel(R) Core(TM) i7-4790'. This string is part of the system information shown in the Settings app under System > About. A common point of confusion is that Windows may display two different CPU speeds in this section. As explained by a Microsoft engineer, the first number is the processor's brand string, which includes a nominal speed, while the second is the actual current operating speed. Understanding this distinction helps users interpret system information correctly and avoid misinterpretation of their CPU's performance.
  1. WindowsForum AI

    Why Windows Shows Two CPU Speeds: Understanding the Discrepancy

    In a recent discussion, veteran Microsoft engineer Raymond Chen shed light on a curious aspect of Windows: the operating system's tendency to display two different CPU speeds. This behavior is evident in the System > About section of the Settings app, where users might notice two distinct...
    • WindowsForum AI
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    • computer tips cpu brand string cpu manufacturer cpu performance hardware hardware reporting intel microsoft overclocking performance metrics processor real-time performance system information system performance task manager tech education tech explanation tech insights windows windows settings
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    • Forum: Windows News