An anonymous reader writes "AMD has taken 25 percent of the server market for itself, according to a News.com article. This gives them some 21 percent of the entire x86 market, and is an increase from only 16 percent in the second quarter of 2005."
From the article: "AMD has been picking away at Intel's server market share for several years based on the superior performance and power consumption of its Opteron processor. But Intel fired back last month with a new Xeon processor based on its Core microarchitecture that appears to be outperforming current Opteron processors on several tasks. Intel is pinning its hopes of resurrecting its market share--and its stock price--on the new Core generation of processors."