Introduced in December 2008, the Core 2 Quad Q9000 is a quadcore mobile CPU from Intel. Featuring a clockspeed of 2GHz, 6MB (2 x 3MB) of L2 cache and a 45W TDP - only 10W higher than Intel's mainstream mobile dual core offerings - the Q9000 is the least expensive mobile quadcore Intel has introduced. Especially important for professionals that require a high amount of processing power, the quadcore design of the Q9000 allows for unparalleled multi-threaded performance in a mobile package.