It's fairly subjective i think.
Some people love meth, some love coke; others hate stims but love weed - some can't enjoy weed and really go for smack.
Even amongst stim users, different people have different tastes.
Meth, dex, MDPV, cocaine, ethylphenidate, amphetamine sulfate - etc etc etc - there are heaps of different perspectives as to what makes a good stim (or a bad stim) and this could be related to biochemistry, expectations, quality of product, ROA, reason for using - and so on - as much as it is taste/preference.
There are too many variables to state something like that definitively, i reckon.
Some people are using 3-fpm for the stimulation; wheras others are chasing the rush.
It's all horses for courses, IMO.
Personally i think meth is better - but they are quite similar in some ways.
You need a stupid amount of 3-fpm for it to really have any resemblance to methamphetamine, though - but so much of what people write in these threads could be interchangeably written about meth.
The fiendishness of vaping, the variation of effects based upon ROA, dose etc.
Even the "calm stimulation" reports - that feeling that you can just sit and enjoy it rather than bouncing off the walls (or...alternately - bounce off the walls!) - all sounds remeniscent of my experiences with methamphetamine back in the day.
Having said that, i havent done meth in a long time because it is an ugly drug that causes all sorts of problems. But i did it when i was in my early 20s, and you could say that i am quite well acquainted with its effects...