GHZ in and of itself means nothing... instructions per clock cycle is what matters... Why is an AMD Athlon 2.2GHZ faster than a 3.2GHZ Pentium? Answer: the AThlon has MORE instructions per clock cycle, the Athlon does more work per megahertz, The NEW INTEL CORE2DUO has increased their instructions per clock cycle... :)(they have adopted AMD's strategy)