If you're really worried about the initial clock speed, then you can always overclock your AMD processor. Now, not only are you a fat man doing more work than the skinny fast guy who carries less bricks, but you are also running faster than you were before. My AMD Athlon 64 3000+ socket 939 (1.8 GHz) is overclocked to 2.6 GHz.
And you thought all fat men that carried bricks were slow...