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Apple confirms Mac transition to ARM CPUs, Rosetta 2 Intel emulation

June 22, 2020 / JEREMY HORWITZ
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Apple’s plan to move its Mac family of computers from Intel’s Core-series CPUs to self-developed ARM processors has been an open secret for years, with each new macOS release and subsequent small hints to developers helping to ease the eventual transition. Today, Apple made the impending switch official, letting developers and customers know during its WWDC 2020 keynote that it will start the chip transition to Apple silicon this year.
The company’s recent struggles with Intel chips are well documented, reportedly including the redesign of entire laptops, thermal performance controversies, and even postponing its first 5G iPhones due to chip development problems. Meanwhile, Apple’s internal chip teams forged ahead with industry-leading smartphone and tablet chips, setting the stage for ARM-powered laptops. Apple chip lead Johny Srouji notes that the X-suffix processors built for the iPad now deliver 1,000 times the graphics performance of the original mod...