Dude, your question shows exactly how far back you read... The whole reason this shit about bitfury cropped up is because people were claiming ridiculous numbers on the efficiency of a 65nm chip which for all intensive purposes should not have been possible and then transformed into an argument over whether or not the BF chip was more efficient than KNC's. That was the point he was getting at I believe, people where claiming some crazy shit, with out any proof to back it up...
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