I agree with the general consensus thus far
snorting probably will last a little longer on average, but with a little bit less intensity. Of course, that same intensity usually caused me to just space out after smoking meth, with the only real productive thing I accomplished being the preparation of another bowl of meth to smoke.
snorting meth is also HORRIBLE for your nose though. it is the worst drug (that is actually snortable I should say) to snort IMO. you are literally inhaling teeny, tiny shards into your nose. It would be much better long term if you just dissolved the meth into a little bit of water, put the water into a nasal dripper, and did it that way. Please dont continuously just snort shards of meth into your nose, thats a 1-way ticket to Perforated Septumville