Macbook pro i7 3720+GT650m is good enough to run？And Audio Stuttering

Macbook pro
Intel® Core™ i7-3720QM CPU @ 2.60GHz （Turbo Boost3.6GHz？）
nvida GT650m & Intel HD Graphics 4000
4G*2
SSD500G

Call of Duty: Modern Warfare 3 ：just 20-25FPS
The Legend of Zelda: Skyward Sword：just 20FPS
Wii Sports Resort CHT:50-55fps
Raving Rabbids GO HOME:crash after some time……

Is that normal?

test versions:dolphin 3.5 OSX

and 4.0-x has a audio problem……Audio Stuttering

thx