ATI launches new Mobility Radeon graphics chips

A week and a half after the launch of Nvidia's GeForce Go 7700 mobile graphics processor, the red team has retaliated with a trio of new Mobility Radeon GPUs. The newcomers include the Mobility Radeon X1700, Mobility Radeon X1450, and Mobility Radeon X1350. The former features 12 pixel shader processors and five vertex shader processors, while the X1450 and X1350 models both have four pixel shader processors and two vertex shader processors.

Unlike Nvidia's GeForce Go 7700, which is based on 80nm process technology, ATI's new introductions are all still fabbed on a 90nm process. However, a report by The Register says the Mobility Radeon X1700 is built using strained silicon technology in order to bring "dramatically improved performance per watt," in ATI's words. Spec sheets for the Mobility Radeon X1450 and X1350 models mention "new production process technologies that increase ... graphics performance while maintaining ultra low power consumption," so those models might also be using strained silicon. Intel, AMD, and IBM have all been using strained silicon for some time in their processors, too.

As with the GeForce Go 7700 launch, Asus is once again getting first dibs on a new GPU. ATI says a number of new high-performance notebooks from Asus will be the first to market with the Mobility Radeon X1700 graphics processor.

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