How much poly can a Lumia device handle smoothly?

Currently I am making a game for windows phone, I have to make sure that the game runs smoothly. As far as i know poly count plays a huge effect whether the game will run smoothly or not. How may poly different Lumia Devices can handle?

What are the other factors?

PS: if this question was asked before, pls give the link. I will delete this ques gladly :slight_smile:

it depends on it’s gpu,some lumia devices us adreno gpu’s and this might be helpful:
http://en.wikipedia.org/wiki/Adreno