http://www.intel.com/cd/channel/reseller/apac/zht/428271.htm
Q9550除了強於955, power和OC好於AMD
AMD 965 3.4GHZ / 955 3.2GHZ -> 1.4V / 125W
Q9550 E0 2.83GHZ -> 1.0-1.1V / 95W
Q9550 E0 is easy for overclocking 3.6ghz(1.3V)
AMD 965 4.0ghz is so hot and lost many power (1.5V)
AMD phenom ii x4 4.0ghz = q9450 C1 3.6ghz