I need to know something

[jonnybeef]

i understand the fact that amd processor cores are separated by steppings, like the a3 or b2. but what i want to know is which one is faster. i know the barcelona core is the newest one on the market. but i wanna know the order of the steppings and why. i also want to know if the steppings are different with the athlon and the phenom. is an agena better than a richmond? and why? iont get it at all and whenever i want to find out online it doesnt lead me there. please give me some help

 

[CCT]

Some reading as a start: http://www.directron.com/fsbguide.html

 

[jonnybeef]

ha review? i still dont see whats so much greater about each one and the order in which they were released.