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In 2005, it switched again to Intel 32-bit and 64-bit x86. In 2011, Mac OS X Lion dropped support for Macs with 32-bit processors; in 2019, macOS Catalina dropped support for 32-bit Intel apps. Supported 64-bit Intel systems can still boot the latest versions of macOS as of January 2025.
With the release of Mac OS X Snow Leopard, and before that, since the move to 64-bit architectures in general, some software publishers such as Mozilla [1] have used the term "universal" to refer to a fat binary that includes builds for both i386 (32-bit Intel) and x86_64 systems. The same mechanism that is used to select between the PowerPC or ...
Name License Source model Target uses Status Platforms Apache Mynewt: Apache 2.0: open source embedded active: ARM Cortex-M, MIPS32, Microchip PIC32, RISC-V: BeRTOS: Modified GNU GPL ...
AArch64 or ARM64 is the 64-bit Execution state of the ARM architecture family. It was first introduced with the Armv8-A architecture, and has had many extension updates. [ 1 ]
macOS Big Sur is the first release of macOS for Macs powered by Apple-designed ARM64-based processors, a key part of the transition from Intel x86-64-based processors. [19] The chip mentioned in demo videos, and used in the Developer Transition Kit , is the A12Z Bionic .
NeXTSTEP, macOS, iOS, watchOS, tvOS: none Yes by section Some (limited to max. 256 sections) Yes Yes Yes Yes Yes Yes No OS/360: OS/360 and successors, and VS/9, mainframe operating systems none No No No No No Yes Yes No No GOFF: IBM MVS and z/OS mainframe operating systems none No No Yes No Yes Yes Yes No No a.out: Unix-like: none No No No No ...
Bundled with hardware; No cost for updates and upgrades via Mac App Store for users of Mac OS X 10.6 or later Proprietary higher level API layers; open source core system (Apple Silicon-Intel-PowerPC versions): APSL, GNU GPL, others Workstation, personal computer, embedded macOS Server (originally Mac OS X Server) Apple Inc. 2001 NeXTSTEP, BSD 5.12
The Apple–Intel architecture, or Mactel, is an unofficial name used for Macintosh personal computers developed and manufactured by Apple Inc. that use Intel x86 processors, [not verified in body] rather than the PowerPC and Motorola 68000 ("68k") series processors used in their predecessors or the ARM-based Apple silicon SoCs used in their successors. [1]