Problems with power consumption and heat that accompany megahertz increases are likely another spur for the change. Processors with larger caches or two cores can run at lower speeds than conventional chips--hence they produce less heat and consume less energy,
the heating problem and the problems with testing /quality control ..

AMD has been Benchmark clocking their chips for the past couple of years


so has Moores law been beaten?

no 64bit operating systems.
huh none? none whatsoever? realy?