According to this article Processors using a core made of diamond rather than silicon have been clocked at 81 and 200ghz.
http://www.geek.com/articles/chips/81ghz-diamond-semiconductor-created-20030827/
the CPU is usualy running at about 3.2 GHz
Gigahertz (GHz) = speed
3.00 Ghz
CPU processing power is measured in GHz (Giga Hurtz)
MHz or GHz
CPU speed is measured in megahertz MHz and gigahertz GHz. Your typical processor is going to be in GHz if you have a super computer then it will be in MHz. The CPU speed can be deceiving so make sure you do your research on them.
no, false
Ghz (Giga-hertz)
1 GHz
Generally yes, but I would monitor your cpu temp closely. Anything approaching 60 degrees centigrade is too hot.
No, a 2.80 GHz processor can run calculations significantly more quickly than a 1.8 GHz processor. Therefor, a computer with a 2.8 GHz CPU will tend to run more quickly than one with a 1.8 GHz CPU, depending on other limiting factors. If you can see no difference, then something else is slowing it down, like a lack of R.A.M.
Smartphone, 200mhz - 1200 mhz Tablet, 500 mhz - 1600 mhz Netbook, 1.2 ghz - 1.8 ghz Notebook, 1.8 ghz - 2.9 ghz Multimedia/Gaming Laptop, 2.5 ghz - 3.5 ghz Budget/All in One Desktop, 2.4 ghz - 3, ghz Gaming Desktop, 3.5 ghz - 5 ghz+