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.

To build the next generation of high-performance applications, we need to start from a point of hardware acceleration from the outset.

Intel unveiled the design of its Tejas processor in early 2003 with the ... By comparison, the 90nm Prescott-based Pentium 4 521 was set at the same frequency and had an 84w TDP while the upcoming ...

All in all, this glimpse at the internals of a Pentium processor provides a fascinating snapshot of high-end Intel semiconductor prowess in the early 1990s.

It offered a slow base clock of 133 MHz, but even that's over 33% faster than the Pentium 4 2.2 (Northwood). The CPU featured ...

In fact it is a bit faster than notebook Pentium 4 processors while using much less power. It comes with 256 megs of SDRAM expandable to 768 megs, a 30 gig hard drive (attached to an Intel Ultra ATA ...