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Are most processors x86 based?

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As the title questions, are most processors (on personal computers) based on the x86 architecture? I know most of Intel's are, but is the Itanium? As for AMD, they are x86 based too correct? Even the AMD-64's and FX's? Thanks for the help :) [Edited by - Nietsnie on February 8, 2005 7:24:22 PM]

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Original post by Nietsnie
As the title questions, are most processors based on the x86 architecture? I know most of Intel's are, but is the Itanium? As for AMD, they are x86 based too correct? Even the AMD-64's and FX's?

Thanks for the help :)

Itanium isn't. It's based on EPIC (I think that's what they call it), a RISC-like instruction set.

Most of AMD's are x86 as well. (K6, Duron, Athlon, Athlon 64). I think they have some small-scale embedded processor line that's based on MIPS. Not entirely sure on that though.

I doubt that "most" processors are x86-compatible. There are zillions of processors in everything from cars to mobile phones to dishwashers, and they're not x86-based. Neither is a Mac.

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AMD chips are x86 ISA, VIA chips are x86 ISA. Itanium is not; its ISA is called IA-64. PowerPC chips (in Macs) use the POWER ISA (ISA = Industry Standard Architecture).

To answer the question, no, most processors are not x86-based, since most processors are embedded microcontrollers that are likely to be either Motorola 68k or ARM processors, which are not x86.

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The Majority of Desktop PC and Laptops Are x86 based, and with the AMD-64 they have extended the x86 instruction sets onto it. The industry was expecting Intel to follow suit with this, but I have neglected to check that, I suspect they have. All of the older AMD Chips (K6, K7) are x86 compliant.
PPC is becoming a bigger market (for desktops) all the time, as the mac becomes more popular.

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Original post by jdhardy
To answer the question, no, most processors are not x86-based, since most processors are embedded microcontrollers that are likely to be either Motorola 68k or ARM processors, which are not x86.


I think he is talking about personal computers. If I had to guess, I would say that most personal computers have a x86 based microprocesor.

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Original post by MaulingMonkey
Yes, most home PCs are using processors based on x86. The most noteworthy exception would be Macs, which use a RISC architecture of some sort IIRC.

PowerPC (PPC), as was mentioned above.

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