Yo,
I'm building a computer for a guy at work. I told him I'd put ddr in it (k7s5a), but I have a stick of 512 pc133 here. Is the difference that noticable? I've never compared them side by side. He's not a power user and doesn't know ram from a processor

Of course I'll tell him if I use the pc133, I;m not trying to rip him off, I just want to give him the best deal.
Thanks,
jme