(Image credit: Tom's Hardware) Intel's Core i9-14900KS Special Edition processor has the highest clock rate of any desktop PC processor yet, blasting up to 6.2 GHz on two cores and allowing Intel to claim once again that it has the fastest desktop processor in the world. But at $689, the 14900KS is not only Intel's fastest mainstream chip, it's also the priciest. The 14900KS faces off with AMD's brutally competitive Ryzen 7000X3D processors, which still hold the title of the fastest gaming chips...