AMD K6 2 550Mhz v AMD Duron 750Mhz - "Classic Ultimate Hardware reviews such as AMD K6 2 550Mhz v AMD Duron 750Mhz showing the perfomance increase you will get when you upgrade from the old Amd K6 2 processor to the modern Amd Duron processors. Software used during testing was:- PC Player Direct3D, Quake 2, Quake 3 and Wintune 1997."