The 820 chip set will debut, along with two new Pentium III processors, a 533MHz Pentium III and a 600MHz Pentium III chip, on Sept. 27, sources said. The chips, which support the 133MHz bus, will be based on the current .25 micron Pentium III design. Intel is planning to follow those Pentium IIIs quickly with the Oct. 25 launch of six new desktop Pentium III processors, based on its Coppermine technology.
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Of the six new Coppermine-based desktop Pentium III chips, all are designed for use with the 820 chip set, and three, including a 500MHz, 550MHz and 600MHz, will be for use with a 100MHz bus, sources said. Three more, a 600MHz, a 650MHz and a 667MHz, will support either a 100MHz or 133MHz bus, sources said. Intel may release a 700MHz in place of the 667MHz, sources said, however this was unclear at press time.
While on the subject of CPUs, check out the new Review-Zone article comparing the new AMD Athlon CPU to current Intel P3's.
The 550-MHz Pentium III will drop 26 percent to $487 from $658. The 500-MHz version will sink 41 percent, to $251 from $423.
Lower down the speed scale, Intel is dropping the price of the 450-MHz Pentium III and 450-MHz Pentium II to $183 from $230, a 20 percent discount.
With this transition, Celeron will receive a performance increase thanks to a number of features that are now reserved for high-end Pentium III processors. The list includes Streaming SIMD Extensions, a set of instructions for processing multimedia, along with support for a 100MHz system bus, sources said.
Celeron will also adopt a new packaging design, called "flip chip," pin grid array for the 370 pin Socket 370. Flip chip packaging moves the pins that attach the chip to the motherboard from its edges to its center, making for a shorter electrical path and a shorter thermal path, and increasing performance and heat dissipation, sources said.
The latest lag, which could put off Merced's release by a few weeks or months, won't be as significant as the delay Intel imposed last year when it shifted the 64-bit chip's debut from the end of 1999 to mid-2000.
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