Honestly, I bet the average user will have trouble finding any performance difference between the 2 in heavy normal day-to-day use. They will both perform excellent on most tasks.
IMO, this is true of most new modern flagships though. They are just about all fast and great to use nowadays, with a few notable exceptions ..
I'm waiting for the note 7 and I can't wait no longer I'm tempted to buy an s7 edge but it I know that would be a stupid decision lol is anyone else dying for the new phone lol