The highest performance graphics card contenders from ATI and NVIDIA are in their places on the top of the graphics hardware "hill" right now, and for the first time (in a while at least) there is no clear performance leader. With both the GeForce 7900 GTX and Radeon X1900 XTX available for around $500, and with both having similar performance capabilities, those gamers looking for the absolute best have to make a difficult choice. NVIDIA seems to hold an edge with their efficient new card design and focus on efficiency, but both of these cards are very well matched. Of course, when shopping for a card, we can't all base our choice on whether or not it's the fastest in the world, unfortunately, but we can thankfully find other cards available which will more than suit our needs given our particular situation.
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AnandTech