Statistically is actually not even really close...Steph's last 2 seasons have been exponentially better in virtually every metric than DRose's peak years. Game impact is not that close as well, prime Steph is just currently on another level than Prime Rose was - especially in the eyes of the defenders & coaches having to gameplan on shutting both players down.
With that said, personally I enjoyed watching prime Rose more. Dude's game was so fukkin aesthetically pleasing and his explosiveness was God-like.
Still the only PG that I will probably ever witness that legit had more quick twitch juice than Westbrook and John Wall(who are a pair of generational elite athletes at the PG position themselves as well).
A damn shame we were robbed of some of the prime years that DRose, T-Mac, Grant Hill and Penny could've produced and permanently altered NBA history as we know it, with.
Of course he's going to have more Assist than else. Rose was more Ball dominant. And I been said curry is a better shooter. 
That's it.. Talking about research..
Stop it