The Intel Core 2 Quad Q9550 is marginally better performer than the AMD’s most powerful quad-core processor, the Phenom X4 955. Since both Core 2 Quad Q9550 and Phenom II X4 955 are priced almost the same, the Q9550 is any day a better choice. Only advantage in Phenom II X4 955 is that, it features an unlocked multiplier which makes over clocking a breeze. However, the Q9550 can be over clocked
