I wanted to get the Asus Transformer Book Trio so that I could have an Android tablet for games and Netflix and then a Windows 8.1 laptop for productivity and very light games such as Age of Empires or Age of Mythology. Is the Intel Core i5 4200U with Intel HD Graphics 4400 enough? Is the i7 4500U much better? Also, how good is the HD 500 or the Iris integrated graphics, thanks!