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AMD64 (also variously referred to by AMD in their literature and documentation as “AMD 64-bit Technology” and “AMD x86-64 Architecture”) was created as an alternative to the radically different IA-64 architecture designed by Intel and Hewlett-Packard, which was backward-incompatible with IA-32, the 32-bit version of the x86 architecture.
The Intel 386, originally released as the 80386 and later renamed i386, is the third-generation x86 architecture microprocessor from Intel. It was the first 32-bit processor in the line, making it a significant evolution in the x86 architecture.
IA-32 (short for "Intel Architecture, 32-bit", commonly called i386 [1] [2]) [3] is the 32-bit version of the x86 instruction set architecture, designed by Intel and first implemented in the 80386 microprocessor in 1985.
The updated instruction set is grouped according to architecture (i186, i286, i386, i486, i586/i686) and is referred to as (32-bit) x86 and (64-bit) x86-64 (also known as AMD64). Original 8086/8088 instructions
It was also available on AMD processors including the AMD Athlon [6] [7] (although the chipsets are limited to 32-bit addressing [8]) and later AMD processor models. When AMD defined their 64-bit extension of the industry standard x86 architecture, AMD64 or x86-64, they also enhanced the paging system in " long mode " based on PAE. [ 9 ]
Toggle i386 architecture processors subsection. 4.1 Embedded. ... (launch Q2 2011, this is the first AMD APU) uses Socket FM1; Bulldozer architecture; Bulldozer ...
The success of the AMD64 line of processors coupled with lukewarm reception of the IA-64 architecture forced Intel to release its own implementation of the AMD64 instruction set. Intel had previously implemented support for AMD64 [ 39 ] but opted not to enable it in hopes that AMD would not bring AMD64 to market before Itanium's new IA-64 ...
As AMD was never invited to be a contributing party for the IA-64 architecture and any kind of licensing seemed unlikely, AMD's AMD64 architecture-extension was positioned from the beginning as an evolutionary way to add 64-bit computing capabilities to the existing x86 architecture, while still supporting legacy 32-bit x86 code, as opposed to ...