Problem with SSE2 is that it is just not effective or noticeable in low clocked P4s. There are very very few apps that push the SSE2 optimization far. One of them is Adobe After Effects, which pushes the 1.6A much further per clock than the AXP at the same speed, and was competing the XP2000. But these high opts are rare. (To the guy who made the topic
And unless you do video editing with this program, a 1.6A will NOT outperform the XP1700+, even with SSE2. It might but by a very very small margin. In fact, the XP1700+ costs much less than the 1.6A. Here in Canada, the 1700+ is 145$ CDN, the 1.6A is 230$. Says a lot for price saving and performance given, no? If you want, try to get the Tbred versions, they have less heat drawn and may possibly cost less.
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Intel and AMD sitting under a tree, P-R-O-C-E-S-S-I-N-G!