Intel's business practices will come under the scrutiny of the US Federal Trade Commission (FTC), which has opened a formal antitrust investigation of the chipmaker.
Advanced Micro Devices launched a marketing campaign against Intel on Wednesday, running full-page ads in newspapers to outline the reasons for its antitrust lawsuit and to issue a call to action.
Microsoft is again under the EU Commission's microscope, as the European body opens two new antitrust investigations into the software giant's activities.
AMD has filed a lawsuit against Intel in the American courts accusing the chipmaker of forcing major customers to accept exclusive deals and withholding rebates and marketing subsidies to punish those customers who, it says, buy more AMD processors than agreed with Intel.
Intel said last week it would agree to antitrust recommendations by the Japanese Federal Trade Commission, which called Intel to halt the practice of requiring PC makers to limit the use of competitors' chips in exchange for monetary rebates.
Although AMD has painted Intel as a bully, execs who've dealt with company draw a more ambiguous picture.
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