Mercury Research has charted the longitude and latitude of the “Perfect Storm” that AMD said swamped its dingy last quarter, causing it to lose $611 million.

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The storm was Intel, whose refreshed product line won back seven points of share in servers, eight points in desktops and four points in notebooks.

Intel in Q1 owned 80.5% of the total market, according to Mercury’s count, up six points sequentially, reducing AMD to less than 20% for the first time since 2005 when it broke 21.4% in Q4 and pushed on to close 2006 with 25.3%.

The general assumption is that despite what AMD says it will lose more share this quarter.