1 of my 3 machines has a socket 754 with an a64 3200+. this setup i will add is single channel on the memory.im lookin at a socket 939 setup that runs dual channel memory however the cpu im lookin to get is a socket 939 3000+ venice core my current cpu has a clawhammer core would the slightly slower [same l2 cache size] going from single channel memory to dual channel memory and going from a 130 to a 90um chip would i be upgrading or downgrading i will be useing all the same components other than cpu and board