i7z is a wonderful tool if you are using a Intel Core i3, i5 or i7 CPU. It shows a whole bunch of information about each physical (not hyper-threaded) core of the CPU: its actual frequency, C-state and temperature. The frequency and C-state info is especially useful since these modern Intel CPUs use Speed Step, Turbo Boost and a lot of other technologies to get the maximum performance and minimum power consumption.

  • Installing is easy:
$ sudo apt install i7z
  • Usage:
$ sudo i7z

Use Ctrl + C to quit its interface.

Tried with: i7z 0.27.2 and Ubuntu 15.10

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