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SpeedIt is a OS X Kernel extension and Preference Panel application designed for real-time CPU frequency, throttling and monitoring and on-the-fly adjustment of the CPU performance level on Intel Core Duo models via processor's power management model-specific registers (MSRs).

SpeedIt continuously monitors the CPU usage level and dynamically adjusts the CPU frequency, throttle and/or voltage level as needed and/or defined.

What's New

Version 0.5: Release notes were unavailable when this listing was updated.


Intel Mac. Tested on MacBook Pro at 1.83 GHz , MacBook Pro at 2 GHz, Mac Mini and iMac.

*Previously available here

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Current Version (0.x)


Downloads 63,784
Version Downloads 61,521
Type Utilities / System
License Free
Date 17 Jun 2006
Platform OS X / Intel 32
Price Free
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