Rambus is technically faster ... but it's limited right now to the bus speed. DDR is as fast as the bus speed. No bottleneck. Rambus can click along at 800MHz, but when the bus speed is only 400MHz, the advantages of Rambus soon dissappear ... leaving the glaring disadvantage of price.
I have yet to see any performance numbers of Rambus smoking DDR in comparably equipped systems.
Now ... once Canterwood is out, with the 800+MHz bus ... things'll be changing pretty rapidly. But good God those things are going to cost a mint!
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