Intel Core 2 Extreme QX6700

With only a few months apart after the launch of the Core 2 Duo, Intel unleashes the world's first quad-core desktop CPU into the world based on the same Core microarchitecture and technology as the Core 2 Duo. Whether you look at it as a preemptive strike against AMD's much hyped 4x4 system or just to show that they can, the Core 2 Extreme QX6700 CPU increases Intel's lead over its competition even further.