low fps problem

[ProtheanVII]

Hello, I just want to ask if there's still any chance my FPS could improve on Monster Hunter Tri ?
I usually get 15- 23 fps (village) ,9-20 (outside)

Here is my laptop specs:
-i7 2670QM 2.2 Ghz (Turbo boost @ 3.1 Ghz)
-4gb DDR3 ram
-Nvidia GT 540m 2gb version
-Windows 7 Home Premium x64

I'm using Dolphin 4.0.2 . ( i'm using this setting https://wiki.dolphin-emu.org/index.php?title=Performance_guide )

Thanks in advance