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To the pleasant surprise of the Mac community, Apple began shipping the MacBook Pro (MBP) the week of 2006.02.14 and with faster CPUs than originally announced.
#Macbook pro os versions mac os x#
Of more than 4 GB of memory by a single executable program-no more, noīeginning with version 10.4, Mac OS X supports command-line 64-bitĮxecutables on G5-based Macintosh computers and 64-bit-capable Intelīeginning with version 10.5, Mac OS X supports full-featured 64-bitĪpplications on G5-based and 64-bit-capable Intel Macintosh computers.īeginning with Snow Leopard, Mac OS X uses a 64-bit kernel on someĪlso - CPU that are "64-bit" still have parts that are only 32 bits wide. 15 MacBook Pro (Early 2006) LEM Staff - 2006.01.10.
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macOS 10.14: Mojave (Liberty) - 24 September 2018. Support for a 64-bit address space-that is, support for concurrent use Here’s an overview of all versions of macOS and Mac OS X Apple has released along with public and internal code names (if available): macOS 12: Monterey - 25 October 2021. What Is 64-Bit Computing?įor the purposes of this document, 64-bit computing is defined as You can have 32 bit code run on a 64 bit CPU.Ī nice overview of this subject is at Apple's 64-bit Transition Guide Keep in mind, this transition was started before Tiger was released on Apand is effectively complete. As you may have seen from all the answers - macs are different than other Operating Systems (OS) in that the 32 bit and 64 bit dividing line is all blurry.