RPCS3 for FIFA STREET 4

Hi All,

I have a laptop with spesification like this :

Processor : Intel Core i3-5005U 2.0Ghz
GPU : Nvidia Geforce 930m 2Gb
RAM : 4Gb DDr3

and the question is Why when i play FIFA Street 4 with RPCS3 Emulator, the game is not smooth (LAG), but i got 30fps, why the game so lag ?
Please i need help from all of you, please give me some answers or advice or anything can help me to get smooth gaming with RPCS3 Emulator.
Thank You Before

Your CPU is too weak. It's an underclocked dual core mobile CPU.