

Apple introduced the M1 Ultra in 2022, combining two M1 Max chips in one package. The M1 Max is a higher-powered version of the M1 Pro, with more GPU cores and memory bandwidth and a larger die size. The M1 was followed by the professional-focused M1 Pro and M1 Max chips in 2021. Its successor, Apple M2, was announced on Jat WWDC. At the time of introduction in 2020, Apple said that the M1 had the world's fastest CPU core "in low power silicon" and the world's best CPU performance per watt.
The M1 chip initiated Apple's third change to the instruction set architecture used by Macintosh computers, switching from Intel to Apple silicon 14 years after they were switched from PowerPC to Intel, and 26 years after the transition from the original Motorola 68000 series to PowerPC. as a central processing unit (CPU) and graphics processing unit (GPU) for its Mac desktops and notebooks, and the iPad Pro and iPad Air tablets. Apple M1 is a series of ARM-based systems-on-a-chip (SoCs) designed by Apple Inc.
