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richardhutnik said:
And the thread I was thinking of is here:
http://gamrconnect.vgchartz.com/thread.php?id=167475

It is funny because the lastest rumor from the same site says MS uses a 1024bits bus access to the DD3 giving it a 272GB/s memory bandwidth.

They forget how much cost is to implement a 1024bits bus... how you need add PCB layers into motherboard that makes the manufacture a hell of expensive... some GPUs uses a 512bits buss that needs a 12-layer PCB... I can't even estimate a 1024bits buss.

But I'm the bull here.