S754 is older. it doesnt support dual channel RAM, doesnt OC as well, and is generally not as capable. S939 is newer, and a great socket. it supports dual channel RAM, and it OCes very well. I think that AMD is gonna stop making S754 alltogether, so the Venice cores will prolly only be 939.
-AMD Athlon 64 3200+ Winchestor
-MSI K8N Neo4-F
-Sapphire Radeon X850 XT
-2x 1024 Corsair XMS Pro
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