X555DG

Hello, I have recently bought an ASUS laptopn- model X555DG AMD FX-8800P Raedon R7, 12 Compute Cores 4C+8G 2.1GHz 8Gb RAM AMD Radeon™ R7 Graphics + Radeon™ R8 M350DX Dual Graphics with 2GB DDR3 VRAM Built-in FX-8800P I tried to play GTAV and Batman on the laptop, but the game is lagging...