The lawsuit represents a major break between Qualcomm and Arm, one of its most important technology partners that Qualcomm relied on for years after Qualcomm stopped work on designing its own custom computing cores. But the two companies have been at odds for years, with some inside Qualcomm complaining privately that Arm’s slackening pace of innovation is causing Qualcomm’s chips to fall behind Apple’s processors in performance. Qualcomm bought Nuvia — a firm founded by former Apple chip architects — to reboot its efforts to make custom computing cores that would be different from standard Arm designs used by rivals such as Taiwan chip designer MediaTek.
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