http://www.tomshardware.com/hardnews/20041026_164352.html
now that's a shiftAccording to sources, the report estimates Nvidia's total market share for standalone graphics chips in Q3 of 2004 at 37 percent, down from 50 percent a year earlier. Rival ATI was able profit from this situation, increasing its share in this segment from 45 percent to now 59 percent.
The dramatic loss for Nvidia becomes even more apparent in the prestigious desktop standalone segment. This round of a brutal fight for market shares goes to ATI which was able to ship 55 percent of all standalone desktop graphic ships in the most recent quarter, up from 38 percent in 2003. Nvidia's share in this segment dropped from 58 percent to 42 percent in the same time frame.