> But I found the solution to the riddle: What I saw was only the /average/ 
> clock; when not under full load, openSUSE will apparently put some of the 
> cores in a kind of standby mode, throttling their clock to half speed, 
> while happily running the processor-hungry single-thread app on some other 
> core still clocked at full speed.

Is it really possible to put individual cores into standby or clock a core 
individually?

Is this a feature of AMD or does it work with Intel, too?

What about Intel Quadcores, which are basically two double cores?

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