I agree with the others, my phone and tablet serve 2 different purposes. I have a Galaxy S3, which I love dearly and which is fast, but when I have my tablet with me, I hook up to my SG3's mobile hotspot and that's about the extent of my phone use. From there on out, I do everything on my nexus 7- browsing, books, movies, games, etc. I DO love my phone when I don't have my tablet, but for entertainment, it doesn't top my tablet. The only downside is if there's no wifi and I don't have my phone, I can't connect on my tablet... but that pretty much never happens. There's always either wifi or my phone's data, so yeah...
I would say the only time I use my phone instead of my tablet (when I've got the choice of either), is when my kids have hijacked my tablet, lol. Then I don't have much choice!