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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.
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Jul 20, 2022 · This article shown the differences between an x86 and x64 instruction set architecture, along with their features, use cases, and limitations. Take into account all the features of each ISA and choose the one best suited for your configuration.
Mar 9, 2024 · Modern versions of x86 processors (sometimes referred to as x86-32 or simply i386) provide 32-bit computing but also incorporate functionalities from their 64-bit. Their features can include MMX, SSE2, and SSE4, instructions, and some even support multi-core operations.
Sep 19, 2015 · x64 means a CPU that is x86 compatible but has a 64-bit mode as well (most often the 64-bit instruction set as introduced by AMD is meant; Intel's idea of a 64-bit mode was totally stupid and luckily Intel admitted that and is now using AMDs variant).
- Answer recommended by Intel. Hans and DarkDust answer covered i386/i686 and amd64/x86_64, so there's no sense in revisiting them. This answer will...
- x86 refers to the Intel processor architecture that was used in PCs. Model numbers were 8088 (8 bit bus version of 8086 and used in the first IBM P...
- x86 means Intel 80x86 compatible. This used to include the 8086, a 16-bit only processor. Nowadays it roughly means any CPU with a 32-bit Intel com...
- As the 64bit version is an x86 architecture and was accordingly first called x86-64, that would be the most appropriate name, IMO.
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.
- Gavin Wright
Nov 19, 2023 · The transition from 32-bit x86 processors to 64-bit x86-64 marked a major advancement for personal computing, one that enabled our modern world of multitasking, big data, and cloud computing. Let‘s explore the progression from x86 to x86-64 and how AMD‘s innovation propelled the x86 architecture into the 64-bit era.
Jul 4, 2023 · The biggest difference between 32 bit and 64 bit is that they can access different amount of RAM. X64 vs x86, which one is better? The x86 (32 bit processors) has a limited amount of maximum physical memory at 4 GB, while x64 (64 bit processors) can handle 8, 16 and some even 32GB physical memory.
