Technology from AMD.
The enhanced 3DNow! technology implemented in the AMD Athlon takes 3D multimedia performance to new heights and builds on the 21 instructions of AMD's original 3DNow! technology - the first x86 instruction set to use superscalar SIMD floating-point techniques. Enhanced 3DNow! adds 24 new instructions - 19 to improve MMX™ integer math calculations and enhance data movement for Internet streaming applications and 5 DSP extensions for soft modem, soft ADSL, Dolby Digital, and MP3 applications. This new DSP functionality of the AMD Athlon is not supported by the Pentium III.
3DNow!+ capable CPU
AMD :