in the Xbox 360 also features VMX, with added proprietary extensions made especially for Microsoft. POWER6, introduced in 2007, is IBM's first "big iron" CPU to also implement VMX.

With the AltiVec unit, the 7400 microprocessor can do four-way single precision (32-bit) floating point math, or 16-way 8-bit, 8-way 16-bit or four-way 32-bit integer math in a single cycle. Furthermore, the vector processing unit is superscalar,