AMD64

proper noun

The 64-bit version of the x86 instruction set architecture (as opposed to the original 16-bit x86 architecture, or to the 32-bit version of the x86 architecture, also known as IA-32, i386, or x86-32).

“The AMD64 version of this Linux distro has higher performance than the i386 version, and doesn't suffer from the severe RAM limits imposed by 32-to-36-bit addressing.”

Similar
x64x86-64
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

proper noun
  1. attributiveusuallycomputingThe 64-bit version of the x86 instruction set architecture (as opposed to the original 16-bit x86 architecture, or to the 32-bit version of the x86 architecture, also known as IA-32, i386, or x86-32).

    The AMD64 version of this Linux distro has higher performance than the i386 version, and doesn't suffer from the severe RAM limits imposed by 32-to-36-bit addressing.

    Synonyms: x64, x86-64

Synonyms & antonyms

proper nounThe 64-bit version of the x86 instruction set architecture (as opposed to the original 16-bit x86 architecture, or to the 32-bit version of the x86 architecture, also known as IA-32, i386, or x86-32).

Similar
x64x86-64
Also see
x86-64

Origin

From being a 64-bit architecture developed by AMD.

Full word history & related roots →
Cite this entry
APA

AMD64. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/AMD64

MLA

“AMD64.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/AMD64. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “AMD64,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/AMD64.

Source: AMD64 on Wiktionary, CC BY-SA 4.0.