Wai Ha Lee 7, 60 60 gold badges 56 56 silver badges 84 84 bronze badges. Nick Nick 1, 3 3 gold badges 21 21 silver badges 32 32 bronze badges. Gir Gir 5 5 silver badges 11 11 bronze badges. They can't run x machine code, though. IA is for the Itanium 64 bit Architecture by Intel. Nasreddine Nasreddine Jim Jim 3, 19 19 silver badges 17 17 bronze badges. Actually they do support running 32bit applications at least those running Win. They have different instruction set, this is the key point. Hardy Feng Hardy Feng 3 3 silver badges 13 13 bronze badges.
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Question feed. Stack Overflow works best with JavaScript enabled. And because of the architectural changes, performance is higher and stronger than the x64 bit compatibility mode. Also, these IA64 schema processors are not able to use the x64 operating system. The x64 processor is free to choose x86 or x64 operating systems. Speed is not the only consideration in comparison between bit systems and bit systems.
Or because of changes in numbers, it is simply assumed that bit CPU performance is twice times the size of a bit CPU. The actual bit applications at this stage are not many, and even so, many are simply because their bit versions cannot run on bit operating systems. Without really doing bit optimization programs, performance does not lead to too much ascension.
On the contrary, in bit applications, running bit CPU performance is even stronger. On the other hand, because bit Windows systems support only 3.
Therefore, when the computer memory is greater than 4G, it is necessary to decisively use the bit system. This article is an English version of an article which is originally in the Chinese language on aliyun. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof.
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The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. Learn more. Difference between ia64 and x64 Ask Question. Asked 10 years, 6 months ago. Active 1 year, 9 months ago.
Viewed 96k times. What is the difference between ia64 and x64? Improve this question. AnnaR AnnaR 1 1 gold badge 9 9 silver badges 13 13 bronze badges. Possible same on SO stackoverflow. Also askubuntu. Add a comment. Active Oldest Votes. According to this page: IA64 refers to the 64 bit Itanium architecture while x64 is the 64 bit extension to the x86 architecture. The IA64 is exclusive to Intel while x64 is used by all. IA64 systems are not able to run old x86 applications while most x64 systems are.
IA64 is very slow to adopt new computer technologies while x64 is very fast. Improve this answer.
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