This thread mentions AMD vs Intel...
Sharky Extreme.com
Athlon XP Model Core Speed (FSB)
Athlon XP 3200+ (Barton) 2.2 GHz (400)
Athlon XP 3000+ (Barton) 2.167 GHz (333)
Athlon XP 2800+ (Barton) 2.083 GHz (333)
Athlon XP 2800+ ..............2.25 GHz (333)
Athlon XP 2700+ ..............2.167 GHz (333)
Athlon XP 2600+ ..............2.083 GHz (333)
Athlon XP 2600+ ..............2.13 GHz (266)
Athlon XP 2500+ (Barton) 1.83 GHz (333)
Athlon XP 2400+ ..............2.00 GHz (266)
Athlon XP 2200+ ..............1.80 GHz (266)
Athlon XP 2100+ ..............1.73 GHz (266)
Athlon XP 2000+ ..............1.67 GHz (266)
Athlon XP 1900+ ..............1.60 GHz (266)
Athlon XP 1800+ ..............1.53 GHz (266)
Athlon XP 1700+ ..............1.47 GHz (266)
Of course, my 3200AMD runs in game trials at 3GHZ+ in real time high use games....even though it clocks out at 2.2GHZ.