AMD Quad-Core Opteron (Barcelona) Technology Report Part 2 @ Tech ARP
 

*Source: Tech ARP (http://www.techarp.com/showarticle.aspx?artno=443)*
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It has become a trend with AMD-ATI to be late with their products. Their products may have been groundbreaking when first announced, but long delays in getting those products out ensured that they would lose much of that advantage. ATI, for example, was so late with the Radeon HD 2900 XT that it was not able to deliver the NVIDIA-killing performance promised earlier.

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