A64 core differences?

[iTWoRxbRo]

I'm looking to buy an A64 processor but i see 3 cores for all of the processors I'm looking at (3000+ - 3400+). My question is: Is there a difference between Clawhammer, Winchester, and Newcastle? and which one is best? BTW, this rig is going to be used mainly for gaming. Any input would be greatly appreciated. Thanks.

 

[AMDbloke]

socket 939 winchesters are recommended so you can upgrade the chip later. Theyre all excellent chips in general though.

 

[BW86]

Clawhammer
socket 754
socket 939
130nm
1mb cache

Newcastle
socket 754
socket 939
130nm
512mb cache

Winchester
socket 939
90nm
512mb cache