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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.
Mac OS X 10.4 "Tiger" and Mac OS X 10.5 "Leopard" had only a 32-bit kernel, but they can run 64-bit user-mode code on 64-bit processors. 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 ...
Apple had created the world's first consumer 64-bit desktop computer with its G5 based line-up; however, the first Intel-based Macs included only Intel Core Duo processors, which were 32-bit. Apple refreshed its line of computers six months later, adding Intel's new Intel Core 2 Duo 64-bit processors.
The single DVD works for all supported Macs (including 64-bit machines). New features include a new look, an updated Finder, Time Machine , Spaces , Boot Camp pre-installed, [ 51 ] full support for 64-bit applications (including graphical applications), new features in Mail and iChat , and a number of new security features.
The Power Mac G4 (AGP Graphics) was released in the second half of 1999; it was the first Power Macintosh to include only industry-standard internal and external expansion. For some years afterwards, a number of third parties created dongles that provided backwards compatibility to users of newer Power Mac systems with old hardware. This ...
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.
The Apple A7 chip is the first 64-bit chip to be used in a smartphone and later a tablet computer. [ 57 ] The A7 features an Apple-designed 1.3 [ 58 ] –1.4 [ 59 ] GHz 64-bit [ 60 ] ARMv8 -A [ 61 ] [ 62 ] dual-core CPU, [ 58 ] called Cyclone, [ 61 ] and an integrated PowerVR G6430 GPU in a four cluster configuration. [ 63 ]
The Power Mac G5 is a series of personal computers designed, manufactured, and sold by Apple Computer, Inc. from 2003 to 2006 as part of the Power Mac series. When introduced, it was the most powerful computer in Apple's Macintosh lineup, and was marketed by the company as the world's first 64-bit desktop computer. [1]