if you want to know which one is stronger,(hash/bud), you should be comparing the hash made from the same buds you're comparing it to...kief is the stuff your smoking on the bud so thats not comparable! Hash on the other hand, never made any, but I do know they go for the head stalks of the trichomes to make it the best. All in all hash is just a more convientent way to get fucked up!