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a UNIX GUI to monitor Core i7 & Core 2 processors

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XFreq provides a GUI to monitor the Processor frequencies (including Turbo Boost), the temperatures, C-States; and to alter the operational features of the Intel Core i7 processor. XFreq is also programmed for Core 2 and other Intel 64-bits architectures.

XFreq Web Site


  • Core frequencies, ratios and turbo boost
  • CPU cycles IPS IPC CPI and C-states C0 C1 C3 C6 C7
  • Discrete temperature per core
  • Kernel task scheduling per core
  • Allows to read and write MSR registers
  • Display, Disable / Enable features such as Hyper-Threading, SpeedStep, Thermal Monitor
  • Base Clock ; xAPIC topology ; performance counters ; CPUID signature
  • DRAM controller and timings; SmBIOS data
  • Web UI (New !)


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Additional Project Details

Intended Audience

Information Technology, Advanced End Users, System Administrators, Developers

User Interface

X Window System (X11)

Programming Language

Assembly, C



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