Which one will be the best?

Which one is the best "Dell Inspiron 15 3542 Laptop (4th Gen Intel Pentium Dual Core- 4 GB RAM- 500GB HDD- 15.6 Inches- Ubuntu) (Black)" or "Lenovo B40-45 (59-436667) Laptop (AMD APU E1- 4GB RAM- 500GB HDD- 14 Inches- DOS- 2GB Graphics) (Black)? Basicaly i play games and movies and internet, and use alot of apps which one will be the right one?