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AMD pays $ 12.1 million in fake advertising class promotion over Bulldozer chips

AMD agreed to a $ 12.1 million settlement in a class action lawsuit for some customers who bought its FX-8000/9000 CPUs based on the 2011 Bulldozer architecture, which ended a year-long dispute that claimed that AMD had wrongly advertised the chips as eight-core processors when in fact they owned only half that number, through The register.

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According to the lawsuit, the Bulldozer-based chips were not really multi-core processors as far as AMD claimed. AMD advertised the CPU's as eight-core chips, but each chip had only four "dual-core modules" with separate execution units; other resources such as cache and a single floating point unit (FPU) were shared across the module. AMD says that those modules counted as two cores each, for a total of eight, but customers claimed that because the modules could not really execute separate processes, they only had to count as a core for a total of four cores, not the eight that claimed AMD.

Under the scheme, AMD pays $ 12.1 million to a settlement fund, which AnandTech calculates to cover attorney fees (approximately $ 3.63 million), settlement administration (between $ 350,000 and $ 700,000), leaving approximately $ 8.12 to $ 7.77 million to split between eligible customers.

To be eligible for the settlement, you must have purchased the specific CPU models in question (in particular AMD FX-8120, FX-8150, FX-8320, FX-8350, FX-8370, FX-9370 and FX – 9590 chips), and has purchased your CPU from the AMD website or in the state of California.

It is unclear how many customers will actually receive – the settlement notes that the court expects that about a fifth of class members actually request payment, but that if more people apply, they will still have to receive around $ 35 per chip. But until the final arrangement is approved and the class members actually start applying (the process of which is yet to be announced), it is difficult to say with certainty how much to expect.