AMD has finally agreed on a settlement for the false advertising of its Bulldozer and Piledriver processors, after eight years of litigation. Claimants will be eligible to draw from a pot of up to US$12.1 million, but there are certain caveats including from where you bought the processor and which SKU you bought.
https://www.notebookcheck.net/Did-you-buy-an-octa-core-an-FX-Bulldozer-or-Piledriver-processor-You-could-be-due-compensation-from-AMD.433480.0.html