Processors with higher GHz ratings can, theoretically, do more in a given unit of time than processors with lower GHz ratings. However, the processor's speed rating is just one of many factors ...
A 3.0 GHz processor has 3 billion opportunities per second to do something, while a 3.6 GHz processor has 3.6 billion chances -- making it roughly 20 percent faster. What Speeds Don't Mean ...