Blizzard released the 64-bit client (Patch 4.3.2 build 15211) for Windows and Mac OS X for Live servers in early 2012. Looking through the first few pages of the related forum post, most reviews are positive, as would be expected.
Copying from my answer answer to Can Java code compiled using 64-bit jdk run on 32-bit jre? The difference in 32-bit and 64-bit can occur at 3 different layers 1. Processor : A 32 bit processor is one which handles instruction set using 32 bit ad... What is the difference between a 32-bit OS and … What is the difference between a 32-bit OS and a 62-bit OS? The primary difference, in non-technical terms, is that a 64-bit operating system is able to access more memory. 32-bit OS can only ... difference between 32 bit os and 64 bit OS - … 2019-8-12 · For a 32 bit OS this is a hard limit that cannot be exceeded. With a 64 bit OS this virtual address space is multiplied by 4000 to 8192 GB for each 64 bit process, again completely independent of RAM size. And this is not a hard limit but one imposed by practical considerations. In future 64 bit systems this could be further increased.
64-bit computing - Wikipedia In computer architecture, 64-bit computing is the use of processors that have datapath widths, ..... Most 32-bit application software can run on a 64-bit operating system in a compatibility mode, also ..... (help); ^ "A description of the differences between 32-bit versions of Windows Vista and 64-bit versions of Windows Vista". 32 bit vs 64 bit: Key Differences - Guru99 Aug 23, 2019 ... The difference between 32-bit and 64-bit processors are: ... OS and CPU requirement, 32-bit operating systems and applications require 32-bit ... Comparison of 32-Bit and 64-Bit | Chron.com Most 32-bit software will run on 64-bit CPUs and operating systems. ... 2014 · Computer Hope; What Is the Difference Between a 32-bit and 64-bit CPU? 32-Bit vs 64-Bit Operating System | Which One is Better?
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Difference between 32-bit and 64-bit programs - TheyDiffer.com
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