Core parking on Windows Seven: WinRAR performance with Sandy Bridge

We had already noticed that the WinRAR benchmark, but also the application itself, does not benefit from Hyper-Threading Technology from Intel. In fact we had the same values ??found on the CPU 2600K, both with 8 logical cores and both with 4 logical cores.

Now we will try to shed light on the problems and secrets of the core parking of Windows Seven.