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CPUSetter adjusts the number of active cores in your CPU(s). It will also enable/disable hyperthreading.

Note: CPUSetter is free to download, but $3 donations are gladly accepted.

What's New

Version 1.1:

  • Window layout modified
  • Restore window to previous location at startup
  • Preference setting to restore configuration at startup or after system sleep
  • Preference setting to record configuration changes via Notification


  • OS X 10.8 or later

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Current Version (1.x)


Downloads 1,083
Version Downloads 684
Type Utilities / System
Date 22 Jul 2013
Platform Intel 64 / OS X
Price Free
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