Which one is right?

[vse]

I load cpu-z and it says my 6400 is running at 1600mhz, i run tat it says 2.1, i run easytune 5 (i have a ds3 v1 mobo) and it says 2.1

here is a pic : http://img442.imageshack.us/my.php?image=c2dcpuiu7.jpg

i have e6400 / giga ds3 rev1 / ocz platimum r2 4-4-4-15 / 800mhz

 

[jbmx4life]

I had the same problem.... I think that you have to turn off SpeedStep in the BIOS and it will be recognized right.