ATI has demonstrated working samples of its ATI Mobility Radeon HD 4000-series graphics processors at Ceatec trade-show in Japan. What is, perhaps, even more interesting, is that ATI preps dual-chip graphics adapters for mobile computers as well.

There is no secret that the new breed of ATI Mobility Radeon HD 4000 graphics processing units (GPUs) for mobile has been in development for some time now. In fact, code-named ATI M98-L and ATI M96 passed PCI Express compatibility validation at PCI-SIG sometime in June, however, since then both products have disappeared from the list.

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