Intel and Nvidia both grew their share of the graphics chip market during Q4 2004, but at the expense of smaller players, not at the expense of ATI, it has been revealed. Shipments overall for the period rose, up 1.5 per cent sequentially and 3.3 per cent on Q4 2003. ATI continues to dominate the mobile graphics chip market during Q4, despite all of this.

ATI continued to control the mobile graphics chip market during Q4, but its share fell seven percentage points sequentially, to 42.9 per cent, as Intel's integrated products took a larger chunk of the market. Intel quit the quarter with 71.8 per cent of the integrated segment, up from 64.7 per cent the previous quarter. Nvidia's shipments of discrete parts rose 25 per cent, taking its share to 25.7 per cent., from Q3's 22.6 per cent.

ATI also saw is lead in the desktop discrete segment erode during the quarter, despite a 5.7 per cent sequential increase in shipments. It owns 51.9 per cent of the market, down from 55.1 per cent in Q3. Nvidia's share went up over the same timeframe, from 43.2 per cent to 46.7 per cent, JPR calculated, thanks to a 21.6 per cent increase in shipments.