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The PowerPC 970 ("G5") was the first 64-bit Mac processor. The PowerPC 970MP was the first dual-core Mac processor and the first to be found in a quad-core configuration. It was also the first Mac processor with partitioning and virtualization capabilities. Apple only used three variants of the G5, and soon moved entirely onto Intel architecture.
Final version of macOS to support 32-bit hardware and software; macOS Catalina: June 3, 2019 October 7, 2019 Version 10.15; First version of macOS with only 64-bit hardware and software support; 32-bit hardware and software support dropped; Macintosh computers (x86 and ARM64) macOS Big Sur: June 22, 2020 November 12, 2020 Version 11; macOS ...
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 December 2024.
Catalina is the first version of macOS to support only 64-bit applications and the first to include Activation Lock. [3] [1] It is also the last version of macOS to have the major version number of 10; its successor, Big Sur, released on November 12, 2020, is version 11.
The history of macOS, Apple's current Mac operating system formerly named Mac OS X until 2011 and then OS X until 2016, began with the company's project to replace its "classic" Mac OS. That system, up to and including its final release Mac OS 9 , was a direct descendant of the operating system Apple had used in its Mac computers since their ...
Power Mac G4 Cube: Power Mac: July 3, 2001 iMac G3 (Summer 2000) iMac: February 22, 2001 September 13, 2000 iBook (FireWire), iBook SE: iBook: May 1, 2001 2001 January 7, 2001 PowerBook G4 Titanium: PowerBook G4: September 16, 2003 January 9, 2001 Power Mac G4 (Digital Audio) Power Mac: August 13, 2002 February 22, 2001 iMac G3 (Winter 2001 ...
Mac OS X 10.6 "Snow Leopard" had both 32- and 64-bit kernels, and, on most Macs, used the 32-bit kernel even on 64-bit processors. This allowed those Macs to support 64-bit processes while still supporting 32-bit device drivers; although not 64-bit drivers and performance advantages that can come with them. Mac OS X 10.7 "Lion" ran with a 64 ...
macOS Sonoma supports Macs with Apple silicon and Intel's Xeon-W and 8th-generation Coffee Lake/Amber Lake chips or later, [25] and drops support for various models released in 2017, officially marking the end of support for Macs without Retina display and the 12-inch MacBook. The 2019 iMac is the only Sonoma-supported Intel Mac that lacks a T2 ...
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