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AMD announces ATI Mobility Radeon HD 4000 series graphics chips

AMD entered the second day of CES with a formal unveiling for the ATI Mobility Radeon HD 4000 series of notebook graphics chips. The new wave of hardware is based on the same core architecture as the desktop 4000 series and in many cases are much faster for the power used than earlier generations; AMD estimates that performance is as much as twice as fast on a given part versus its 3000 series ancestor. Much of the gain comes from both a cooler 55 nanometer proccess as well an increased number of stream (graphics) units, with the top-end Mobility Radeon HD 4870 and 4850 carrying 800 of the effects generators versus just 320 on the 3870.

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electronista.com
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