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1. • 64-bit version of the x86 instruction set

     • x86-64 (also known as x64, x86_64, AMD64, and Intel 64) [note 1] is a 64-bit version of the x86 instruction set, first announced in 1999. It introduced two new modes of operation, 64-bit mode and compatibility mode, along with a new 4-level paging mode.
     en.wikipedia.org › wiki › X86-64

     x86-64 - Wikipedia

2. People also ask

   Is x86 a 64-bit computer?

   • x86-64 (also known as x64, x86_64, AMD64, and Intel 64) [note 1] is a 64-bit version of the x86 instruction set, first announced in 1999. It introduced two new modes of operation, 64-bit mode and compatibility mode, along with a new 4-level paging mode.

   x86-64 - Wikipedia

   en.wikipedia.org/wiki/X86-64

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   Why is x86 called x64?

   • Presumably the x86 was called so because the machines used 80386 and 80486 processors. Is that correct? Is that the right way to refer to 32-bit and 64-bit machines? I want to re-tag this but I can't think of a good tag. Is this a super user question? In the context you are asking, x64 does not sit opposite to x86, instead it sits by it.

   x86 vs x64 - Why is 32-bit called x86? - Super User

   superuser.com/questions/179919/x86-vs-x64-why-is-32-bit-called-x86

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   Why was x86 called x86?

   • Closed 12 years ago. Presumably the x86 was called so because the machines used 80386 and 80486 processors. Is that correct? Is that the right way to refer to 32-bit and 64-bit machines?

   x86 vs x64 - Why is 32-bit called x86? - Super User

   superuser.com/questions/179919/x86-vs-x64-why-is-32-bit-called-x86

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   When did x86 come out?

   • The x86 architecture was released by Intel in 1978. It was first released as a 16-bit architecture. It was called "x86" because the last two digits in the names of early processors that used it ended in "86." In 1985 it was expanded to be a 32-bit architecture, and x86 is now commonly associated with the 32-bit form.

   What is x86-64? | Definition from TechTarget

   www.techtarget.com/whatis/definition/x86-64

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3. en.wikipedia.org › wiki › X86-64x86-64 - Wikipedia

   en.wikipedia.org › wiki › X86-64

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   x86-64 (also known as x64, x86_64, AMD64, and Intel 64) is a 64-bit version of the x86 instruction set, first announced in 1999. It introduced two new modes of operation, 64-bit mode and compatibility mode, along with a new 4-level paging mode.

   • 64-Bit

     The 64-bit extension created by Advanced Micro Devices (AMD)...

   • Ia-64

     IA-64 (Intel Itanium architecture) is the instruction set...

   • Instruction Set

     In computer science, an instruction set architecture (ISA)...

   • VIA Technologies

     VIA Technologies, Inc. (Chinese: 威盛電子; pinyin: Wēishèng...

4. en.wikipedia.org › wiki › X86x86 - Wikipedia

   en.wikipedia.org › wiki › X86

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   x86-64 is the 64-bit extended architecture of x86, its Legacy Mode preserves the entire and unaltered x86 architecture.

   • Introduced: 1978 (16-bit), 1985 (32-bit), 2003 (64-bit)

   • Design: CISC

5. www.techtarget.com › whatis › definitionWhat is x86-64? | Definition from TechTarget

   www.techtarget.com › whatis › definition

   What is x86-64? x86-64 (also called x86_64, x64, or amd64) is the 64-bit CPU architecture that is used in Intel and AMD processors. It is an extension to the 32-bit x86 (i386) architecture. The x86-64 architecture is used in most CPUs for home computers and servers in use today.

   • Author: Gavin Wright

6. Videos

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7. simple.wikipedia.org › wiki › X86x86 - Simple English Wikipedia, the free encyclopedia

   simple.wikipedia.org › wiki › X86

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   x86 is a term used to describe a CPU instruction set compatible with the Intel 8086 and its successors, including the Pentium and others made by Intel and other companies. This is the CPU architecture used in most desktop and laptop computers. Many 21st century workstations and servers also use x86 processors.

8. phoenixnap.com › kb › xx64 vs. x86: Key Differences {Features, Limitations, and Use ...

   phoenixnap.com › kb › x

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   Jul 20, 2022 · x64 (short for x86-64) is an instruction set architecture based on x86, extended to enable 64-bit code. It was first released in 2000, introducing two modes of operation - the 64-bit mode and the compatibility mode, which allows users to run 16-bit and 32-bit applications as well.

9. superuser.com › questions › 179919x86 vs x64 - Why is 32-bit called x86? - Super User

   superuser.com › questions › 179919

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   Closed 12 years ago. Presumably the x86 was called so because the machines used 80386 and 80486 processors. Is that correct? Is that the right way to refer to 32-bit and 64-bit machines? architecture. cpu. Share. Improve this question. edited Sep 3, 2011 at 0:04. Peter Mortensen. 12.2k 23 71 90. asked Aug 24, 2010 at 8:07. Jack Kada. 867 3 8 10. 7.