getting a macbook but can't decide if I should do the 15in with iris pro or get 750m

[ChristianJDM]

So I'm getting the 15in for sure but Idk if I should go with the one that has just the iris pro graphics or get the one with the go 750m graphics. I do a lot of Photoshop and I wanna be able to play Lol on medium to high at good fps. Please help!!!!!

 

[LummusMaximus]

Iris should max it, but the 750m should play silky smooth.