This paper compares the performance of the new family of IBM POWER4 processors, eServer pSeries, such as the p630, p650, p655, p670 and p690. The pSeries 690 scales up to 32-way with 1.30 GHz POWER4 processors. The p670 can scale up to 32-way POWER4 processor at 1.10 GHz. The p630, 650, and p655 are considered entry to medium level systems.
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