MMX Processors. Pentium MMX, Pentium II MMX. In 1997, MMX technology was all the rage. If you didn’t have a processor with MMX extensions then you were about to fall behind the crowd, especially in terms of this new multimedia thing. CD-ROM based software needed some extra grunt and the source of this, according to Intel, would come from 57 new extensions encoded into their latest range of chips. However, in some cases it came at a cost to performance. Find out what that cost was and how MMX developed into something more useful with the Pentium II range of CPUs.

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