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July 6, 2022

Apple Ups Performance in Its Laptop Chips - Design News

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| Jun 07, 2022
Like Intel and AMD, Apple continues to push the performance envelope on its processor chips to keep up with future computing needs. One of the company’s announcements at this week’s Apple Developers Conference was the introduction of the M2 chip, which will replace the M1 chip in several of its laptop computers.
The M2 is built using second-generation 5-nm technology. The chip packs in 20 billion transistors, which is 25% more than the M1 chip. According to Apple, the additional transistors improve features across the entire chip, including the memory controller that delivers 100 GB/s of unified memory bandwidth—50% more than the M1.
Related: Apple Flexes its Chip Muscle in New Phones, Tablets, and Desktops
Apple is claiming that the M2 delivers 18% greater multithreaded performance than the M1, which would enable its laptops to more readily handle computing-intensive tasks while remaining energy efficient.
The M2 features Apple’s next-generation GPU with up to 10 cores—two more than M1. Combined with a larger cache and higher memory bandwidth, the 10-core GPU delivers 25% higher graphics performance than the M1 at the same power level, and up to 35% better performance at its max power. Compared with the integrated graphics of the latest PC laptop chip, the GPU in M2 delivers 2.3x faster performance at the same power level. It matches its peak performance using a fifth of the power. The higher performance makes for long battery life, even when playing graphics-intensive games or editing massive RAW images.
Related: Apple Repositions CarPlay for the Automotive Instrument Panel
Compared with the latest 10-core PC laptop chip, the M2’s CPU provides nearly twice the performance at the same power level. And, the M2 delivers the peak performance of the PC chip while using just 25% of the power. Compared to the latest 12-core PC laptop chip, the M2 provides nearly 90% of the peak performance of the 12-core chip while using just 25% of the power.
The M2 chip’s Neural Engine can process up to 15.8 trillion operations per second—over 40% more than the M1. The media engine includes a higher-bandwidth video decoder, supporting 8K H.264 and HEVC video. Apple’s ProRes video engine enables playback of multiple streams of both 4K and 8K video.
The chip also incorporates Secure Enclave for best-in-class security, and a new image signal processor for better image noise reduction.
Apple will incorporate the M2 chip its redesigned MacBook Air and updated 13-inch MacBook Pro. For now, the M1 chip remains in Apple’s other laptop computers.
In conjunction with the M2 Chip and updated laptops, Apple has redesigned its macOS to be compatible with its new chips. macOS Ventura, coming this fall, will also take full advantage of M2, bringing new features including Stage Manager, and new capabilities with Continuity Camera and Handoff in FaceTime. macOS Ventura also includes big updates to Safari, Mail, Messages, Spotlight, and more.
Spencer Chin is a Senior Editor for Design News covering the electronics beat. He has many years of experience covering developments in components, semiconductors, subsystems, power, and other facets of electronics from both a business/supply-chain and technology perspective. He can be reached at [email protected]
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