Linked by John O'Sullivan on Fri 17th Oct 2003 17:48 UTC
"640K ought to be enough for anybody." Bill Gates, 1981. "64 bit is coming to desktops,there is no doubt about that, But apart from Photoshop, I can't think of desktop applications where you would need more than 4 gigabytes of physical memory, which is what you have to have in order to benefit from this technology." It seems to me that by the time it ships, Longhorn will need 4 gigs of RAM.
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An often cited benefit of the 64bit architecture is the support of huge amounts of RAM. For desktop computers, however, the more immediate benefit is that x86-64 architecture is more efficient than x86 architecture: x86-64 architecture doubles the number of registers, which allows the processor to operate more efficiently. Athlon 64 and Opteron computers gather a large user base, which in turn prompts software developers to recompile their software for x86-64 to make the software run faster on those computers. Once that happens, I believe that Intel will be compelled to support x86-64 to be competitive with AMD.