Have you been under a rock for the last 15 months?
http://www.xbitlabs.com/articles/cpu...w_9.html#sect0
http://www.xbitlabs.com/articles/cpu...review_11.html
http://setiathome.berkeley.edu/forum...d.php?id=39379
http://www.tomshardware.com/2006/07/...out_athlon_64/
http://www.extremetech.com/article2/...2014685,00.asp
http://blogs.msdn.com/rickbrew/archi...13/664890.aspx
http://www.techreport.com/reviews/20...s/index.x?pg=1
EDIT - 64-bit analysis here:
http://www.xbitlabs.com/articles/cpu...duo-64bit.html
Google 101: Core 2 Duo vs. AMD Athlon X2





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