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You know this includes all recent Intels right? AMD64 here means "the 64 bit extension to x86 that's not the Itanium one"

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No I didn't. The naming conventions for this instruction set are a bit of a mess [0], with every company trying to stick their brand in the middle of it. No wonder people get confused on this. Thanks for pointing that out.

[0] http://en.wikipedia.org/wiki/X86-64

AMD was the first to market with AMD64 ... no surprise that they got to slap their brand on it.

Just like Intel named their competing 64 bit architecture Intel Itanium. The AMD64 architecture won and Intel decided to license it.

In practice Itanium only competed with the existing 64-bit architectures from the Unix vendors. Many of whom got suckered into dropping their own stuff and moving onto Itanium, and got wiped out because of the very late & underperforming Itanium chips (frequently called "Itanic")...

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