some performance comparisons by Anand: http://www.anandtech.com/show/6757/calxedas-arm-server-tested/11 http://www.anandtech.com/show/6757/calxedas-arm-server-

some performance comparisons by Anand: http://www.anandtech.com/show/6757/calxedas-arm-server-tested/11 http://www.anandtech.com/show/6757/calxedas-arm-server-teste... http://www.anandtech.com/show/6757/calxedas-arm-server-tested/12 http://www.anandtech.com/show/6757/calxedas-arm-server-teste... while not bad, it doesn't seem to have enough advantage to beat Xeon in real market (especially while being more expensive than Xeon systems). Like with Sun's Niagara processors, being better only in a narrow niche may be not enough for a financial success in pretty general server market.