P4 systems support DDR2 (depending on motherboard) while AMD systems do not. There isn't much of a difference in speed though. New AMD systems have an on-di memory controller that keep things moving along fast enough.
I think that GeForce would be a better buy. A 6600GT seems to be the sweet spot between price and performance. You also really shouldn't sink too much money into an AGP graphics card, PCI-X is the new standard and anything over 150 on AGP is a waste of cash, IMO.
I think that GeForce would be a better buy. A 6600GT seems to be the sweet spot between price and performance. You also really shouldn't sink too much money into an AGP graphics card, PCI-X is the new standard and anything over 150 on AGP is a waste of cash, IMO.