اود ان اوضح الفرق بين 6600 , 6600GT
كما في الصورة :

Graphics Core256-bitMemory Interface128-bitPixels per Clock (peak)8RAMDACs400 MHzFill Rate2.4 Billion Texels/Sec.Vertices Per Second225 MillionMemory Date Rate550 MHzMemory Bandwidth8.8 GB/sec.

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Graphics Core256-bitMemory Interface128-bitMemory Bandwidth16.0 GB/sec.Fill Rate4 Billion Texels/Sec.Vertices Per Second375 MillionMemory Date Rate1 GHzPixels per Clock (peak)8RAMDACs400 MHz
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كما تلاحضون ان ال6600GT يتفوق على 6600 في الأداء بضعفين 2X