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Intel IA-32 evolution: Prescott => Tejas => Nehalem?

What will succeed Prescott core? What are the prospects of Intel processor architecture after 2003? Japanese PC Watch posted some answers for such questions.

Intel is developing the new desktop CPU architecture, codenamed Nehalem. The first Nehalem CPUs are expected on 2004. Nehalem (called "Pentium 8" in Japan) will be based on the completely new architecture unlike Prescott, being the improved Pentium 4, and its Tejas successor.

There are no details about Nehalem architecture, but there´s an opinion that it will support not only Hyper-Threading, but will also be able to process more data flows. Presumably, it will also support new LaGrande technology.

How many transistors will Nehalem CPU contain? The question is still opened. Though if you follow the Moore´s law, Nehalem, made using 90nm process technology, will contain from 150 to 200 million transistors. Clock rates might raise to 7-8 GHz by that time.

Have a look at provisional Intel processor roadmap. It´s known that in H2 2003 the company is to present Prescott made using 90nm process technology. Tejas, the next version of Pentium 4 architecture, will appear in 2004. Nehalem, based on the new architecture, will be announced late in 2004. 65nm Tejas and Nehalem will appear in 2005.

Source: PC Watch

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