2.6c + 333 or 2.6b + 400 faster?

[yy3d]

intel 2.6c + 2700ram or intel 2.6b + 3200ram. which one is faster ?

 

[Soulkeeper]

the one with the higher fsb most likely

 

[Cerb]

What chipset?
865/875 + DC DDR: 2.6C hands down.
845PE or 848: 2.6C for situations where HT helps (assuming your mobo supports it), the 2.6B otherwise.