Just how much graphics memory do you need?  The Tech Report does their best to determine the answer, by testing Diamond’s 1GB HD 2900 XT.  The theoretical memory bandwidth tops any card out there, the sheer amount of memory on the card is unique to consumer graphics, which makes it seem like this card can take on all comers.  The question is, can the so far disappointing GPU take advantage of the memory?
“This card, with a staggering 128 GB/s of memory bandwidth, raises a number of intriguing questions about the role of memory bandwidth, the question of graphics memory size (how much is enough?) and most of all, the potential of AMD’s R600 GPU. Some time has passed since the 2900 XT’s debut, drivers have had time to mature, and here we have a faster version of the card. Can this new 2900 XT take on Nvidia’s best? Are the matchups altered in DirectX 10 games? And how does the UVD-less 2900 XT really perform in HD video playback? Read on for all of these answers and more.”

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