Meth is a much more impure form of speed, it's comparable to crack and cocaine, being that the chemical structure of speed is similar to meth, however is not the same. I've also never heard of meth in a pill form, which is the way I typically take speed. I find speed to be more utilitarian than anything, if I don't have enought time to fall asleep or have lots of work to do, it fixes it right up.