"83mm2 for 512K and 114mm2 for 1MB don't add up." It is closer than 102mm^2 for 512k and 114mm^2 for 1 meg. It might if they can't shrink the cache transistors on the same scale as the logic ones. Or it might be that the 114mm^2 value for the 1MB Opteron isn't valid any more. Or none of the numbers we've seen are correct.
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