On Fri, 6 Dec 2013, H.J. Lu wrote: > http://en.wikipedia.org/wiki/IA > > IA-32, Intel Architecture, 32-bit > IA-64, Intel Architecture, 64-bit
And Intel 64 is an implementation of and extension to the 64-bit extension of IA-32 created by AMD, totally unrelated to IA-64. Marketing. :-) Gerald