Intel's top Pentium chip, introduced in late 2000. The successor to the Pentium III, the Pentium 4 features the NetBurst micro-architecture (see NetBurst). All Pentium 4 chips are single core ...
Intel's first dual core 64-bit (Intel 64 ... See dual core. See also Pentium 4 Processor Extreme Edition. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.
The first CPU to reach a clock speed of 4 GHz was the Pentium 4 570 released in November 2004 as part of Intel's NetBurst microarchitecture, but this milestone wasn't achieved out of the box.