Each high-performance cluster shares 12 MB of L2 cache. The eight high-performance cores are split into two clusters. The high-performance cores are clocked at 3228 MHz, and the high-efficiency cores are clocked at 2064 MHz. The M1 Pro and M1 Max use the same ARM big.LITTLE design as the M1, with eight high-performance "Firestorm" (six in the lower-binned variants of the M1 Pro) and two energy-efficient "Icestorm" cores, providing a total of ten cores (eight in the lower-binned variants of the M1 Pro). The SoC also has a 8MB System Level Cache shared by the GPU. The high-performance cores have an unusually large 192 KB of L1 instruction cache and 128 KB of L1 data cache and share a 12 MB L2 cache the energy-efficient cores have a 128 KB L1 instruction cache, 64 KB L1 data cache, and a shared 4 MB L2 cache. Apple claims the energy-efficient cores use one-tenth the power of the high-performance ones. This combination allows power-use optimizations not possible with previous Apple–Intel architecture devices. It has a hybrid configuration similar to ARM DynamIQ and Intel's Lakefield, Alder Lake and Raptor Lake processors. The M1 has four high-performance "Firestorm" and four energy-efficient "Icestorm" cores, first seen on the A14 Bionic.
#IPAD PRO M1 GEEKBENCH SERIES#
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 Macintosh 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.
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