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1. 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) [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.

   • List of Intel processors

     64-bit processors: Intel 64 – NetBurst microarchitecture....

   • IA-64

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

   • Intel

     The Itanium's performance running legacy x86 code did not...

   • Intel Core

     Intel Core is a line of multi-core (with the exception of...

2. en.wikipedia.org › wiki › 64-bit_computing64-bit computing - Wikipedia

   en.wikipedia.org › wiki › 64-bit_computing

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   Intel, reacting to the market success of AMD, admits it has been developing a clone of the AMD64 extensions named IA-32e (later renamed EM64T, then yet again renamed to Intel 64). Intel ships updated versions of its Xeon and Pentium 4 processor families supporting the new 64-bit instruction set. VIA Technologies announces the Isaiah 64-bit ...

3. www.intel.com › intel-64-architecture-generalIntel® 64 Architecture

   www.intel.com › intel-64-architecture-general

   64-bit computing on Intel® architecture requires a computer system with a processor, chipset, BIOS, operating system, device drivers, and applications enabled for Intel® 64 architecture. Processors will not operate (including 32-bit operation) without an Intel 64 architecture-enabled BIOS.

4. People also ask

   What does IA 64 stand for?

   • IA-64 ( Intel Itanium architecture) is the instruction set architecture (ISA) of the discontinued Itanium family of 64-bit Intel microprocessors. The basic ISA specification originated at Hewlett-Packard (HP), and was subsequently implemented by Intel in collaboration with HP. The first Itanium processor, codenamed Merced, was released in 2001.

   IA-64 - Wikipedia

   en.wikipedia.org/wiki/IA-64

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   What is Intel® 64 architecture?

   • All postings and use of the web sites or material are subject to these Terms of Use and any other program and site-specific terms. Intel® 64 architecture expands addressable memory to over 4 GB by enabling 64-bit computing in embedded designs, improving performance.

   Intel® 64 Architecture

   www.intel.com/content/www/us/en/architecture-and-technology/microarchitecture/intel-64-architecture-general.html

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   When did a 64-bit CPU come out?

   • Early AMD64 and Intel 64 CPUs lacked LAHF and SAHF instructions in 64-bit mode. AMD introduced these instructions (also in 64-bit mode) with their 90 nm (revision D) processors, starting with Athlon 64 in October 2004. Intel introduced the instructions in October 2005 with the 0F47h and later revisions of NetBurst.

   x86-64 - Wikipedia

   en.wikipedia.org/wiki/X86-64

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   Why did Intel discontinue IA 64?

   • In 2019, Intel announced the discontinuation of the last of the CPUs supporting the IA-64 architecture. In 1989, HP began to become concerned that reduced instruction set computing (RISC) architectures were approaching a processing limit at one instruction per cycle.

   IA-64 - Wikipedia

   en.wikipedia.org/wiki/IA-64

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