Intel will call Willamette, its next-generation processor, the Pentium 4.
Published:
9 July 2000 y., Sunday
The Pentium 4 will succeed the Pentium III and in many ways will be a landmark release for the chipmaker. For one, Willamette, and a related chip for servers code-named "Foster," will feature an entirely new architecture, which will give the company room to innovate or tap new features. For more than five years, new Intel microprocessors have relied on the same basic architecture. The Pentium Pro, which came out in October 1995, effectively features the same "P6" design as the Pentium II, the Celeron, Xeon processors and the Pentium III. Although the P6 architecture has enjoyed a good commercial life, the architecture is reaching its performance limits.
One of the reasons Advanced Micro Devices has been able to put so much pressure on Intel in recent months is that its Athlon chip features a brand-new architecture with plenty of untapped headroom. This has permitted AMD to raise the clock speed almost at will. Pentium 4 will debut at an initial speed of 1.4 GHz, according to Intel. Rather than increase speed in 33-MHz or 50-MHz increments, the chips will jump by 100 MHz at a time. As with the
earlier Pentium generations, the Pentium 4 will likely be split into sub-brands. Another feature will be a 400-MHz system bus, roughly three times as fast as Intel's current system bus. The system bus
serves as a data conduit between the processor and the rest of the computer. The faster it is, the better. When combined with Rambus memory, Willamette computers are expected to establish new levels of
desktop performance, analysts have said. The chip is expected to debut late in the third quarter or early in the fourth quarter.
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