AMD has finally launched the B3-step Phenom processors today with quad-core Phenom X4 9850, 9750, 9650, 9550 and 9100e as well as tri-core Phenom X3 8600 and 8400. The highest speed Phenom X4 9850 at 2.5GHz will only cost $235 while the lowest speed Phenom X4 9100e at 1.8GHz costs $199 while the rest of the X4 SKUs lie between the price range. In comparison, X4 9850 will compete against Core 2 Quad Q9300 and Q6600 both priced at $266. And after the Intel's price cut on 20th April, the 9850 will compete against the Q6700 has its price cut from $530 to $266 while Q6600 is lowered to $224. Phenom X3 will take aim at Intel Core 2 Duo family since Intel has no tri-core offerings yet so X3 8600 and 8400 at $175 and $149 respectively will compete directly with E8400 and E8200 at $183 and $163 respectively.