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by ghaff 1174 days ago
And there were/are some differences between AMD and Intel 64-bit x86 once you get into the details (and indeed between various extensions on a given microarchitecture). x86_64 (or x86-64), ugly as it is, is probably the best way to refer to specifically 64-bit x86 at a non-vendor-specific level. Just x86 works for a lot of purposes too.