The instruction-set wars have a clearer verdict than either camp admits. What Apple Silicon, Graviton, Ampere, and Snapdragon X actually proved about energy per instruction, why the ISA matters far less than the business model around it, the legacy-software tax, and the honest case for each architecture across phones, laptops, servers, and the cloud.
Apple-Silicon
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ARM vs x86 in 2026 -
The Story of Mac OS: From Cooperative Multitasking to Apple Silicon Forty years of the Macintosh operating system, from the memory-protection-free original of 1984, through the Copland death march and the NeXT acquisition that brought Steve Jobs back, to the BSD-and-Mach foundation of Mac OS X and the three processor transitions that ended with Apple Silicon.