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New Micro Architecture "NetBurst"

 Netburst is the name for Intel's new microprocessor architecture. In order to maintain the a stability in the fast growing PC market, every 3 - 4 years Intelís develops a totally new microprocessor architecture. The last architecture Intel released was the P6 Micro Architecture, first introduced with the Pentium Pro back in 1995.

The P6 architecture was a great design until we reached the 1GHz mark at which point this design was pushing its limits on reaching higher peaks. You might remember the famous Pentium III 1.13GHz recall that took place last August. The reason behind this was simple, Intel pushed the P6 design to far, and stability problems immediately began.In November 2000, Intel officially launched their newest Architecture named NetBurst; this was introduced with the launch of the Pentium 4 processor, the first ever IA-32 processor to take advantage of it. NetBurst includes the fallowing innovations.

Hyper Pipelined Technology

In order to deliver the highest clock rates, the Pentium 4 features a pipeline twice as big as the one on the Pentium III (10). The original Pentium processor, which was based on the P5 architecture, featured a total of 5 stages. Intel doubled that number on the P6 architecture, this of course covering the latest Pentium III and the first ever CPU introduced on that architecture, the Pentium Pro which featured a total of 10 Pipelines. Intel doubled that number again with their latest architecture (NetBurst); the Pentium 4 features a total of 20 Pipelines. The 20 pipeline allowed Intel to start the Pentium 4 at 1.4GHz+ using the same .18 technology that they use to produce the Pentium III (Coppermine) Processor. With their upcoming move to the .13 process, we will be able to see the NetBurst architecture going beyond 2GHz. The 20-stage pipeline is what Intel calls their Hyper Pipelined Technology. 

 





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