IBM stolen Intel's thunder with its new Power7 chip technology

Power7 has another leg up on Itanium: it is already being used to construct what may be the fastest supercomputer in the world at the renowned National Center for Supercomputing Applications at the University of Illinois, a credible claim, considering the center's history--and IBM's, whose chips in the past have powered the world's fastest supercomputers.
The Blue Waters project supercomputer, housed in a special building on the Urbana-Champaign campus, will theoretically be capable of achieving up to 10 petaflops, about 10 times as fast as the fastest supercomputer today. (A petaflop is 1 quadrillion floating-point operations per second, a key indicator of supercomputer performance.)
One of the novel ways the University of Illinois is able to cram together the thousands of Power7 chips used in the Blue Waters supercomputer is by tapping a novel memory technology called eDRAM, or embedded dynamic access memory, for the level-3 cache memory.
Although both companies are touting dozens of other features--for example, better thread performance and improved scaling of workloads--IBM is taking a lead in marquee features for the lucrative high-end server market.
"While Intel is talking about a 2x [two-times] performance boost per chip, IBM is talking about almost an 8x [eight-times]," said Nathan Brookwood, principal analyst at Insight64. "IBM has gone from two cores to eight cores per (chip). And each of the cores is roughly twice as fast as the [prior-generation] Power6," according to Brookwood, adding that IBM was already ahead of Intel to begin with.
IBM has stated that the chip's speed--between 3.5GHz and 4GHz--actually has a lower rating than the previous Power6 chip, which ran at 5GHz. "We have gotten performance from other spots, such as the dense eDRAM. We had to back off from the gigahertz in order to get eight of these cores onto the chip and not have it melt," according to McCredie.

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