So... turns out that a orc rogue sneak attacking you quickdrawing a greataxe and using a iajitsu power attack wins.
Jokes aside, I don't see the point of trying to argue sneak attack vs power attack in a factotum thread, but hell, I'll chime in~
I think we all know the ups and downs of both.
* Power attack with leap/charging deals Tons of Damage™
* Power attack has issue hitting high armor things
* Sneak attack has less issue hitting things, but still has them
* Power attack needs a huge stick and one feat to work properly
* Sneak attack needs a huge investment of classes and feats to work and a ton of magic items (wands at first, crystals later)
* Power attack (on a full BAB class, +2/level/attack) scales slower than a dedicated sneak attack build (even just rogue 20 with TWF-line and Craven, even if we consider the same number of attacks +2.25/level/attack ), but a dedicated power attack charger build scales way faster.
* Both can do way more than enough damage in a campaign and might do too much damage if you optimize them too much.
* Sneak Attack in a campaign where magic items are rare and you can't craft your own, it's mostly useless.
* Sneak Attack requires at least Darkvision, but ideally Blindsight or concealment makes it cry.
Am I missing something or saying something wrong?
IF we are to contextualize it with a factotum, in a almost pure factotum/chamaleon build I'd say PA is better tho since Sneak Attack (beside items) requires a class that gives SA growth and a bunch of feat to work well.
IF we are comparing factotum with a rogue... well factotum isn't a combat class, rogue is. A dps-oriented rogue imho can deal way more damage (given the proper items) than a non-charge-abusing factotum, but the factotum should still be able to do a decent amount of it while having way more utility in and out of combat.
If not I think both can be made to work in a way or the other.
If noone of the above is related I am absolutely lost on what the point of the conversation is now