View Full Version : just noticed my MBP has 2 graphic cards?

14th April 2010, 08:10 PM
Just had a look in my About this computer and it says
NVIDIA Geforce 9400
NVIDIA Geforce 9600GT

Do I really have 2 graphics cards?
Do I need to choose one over the other?


black painter
14th April 2010, 08:14 PM
some run two graphics cards. Normally one for on the road lower performance on battery. The other for high end graphics needs.

14th April 2010, 08:23 PM
The 9400 is the slower one, and is there for reduced power consumption and increased battery life.

Go to System Preferences > Energy Saver

You will see

Better Battery Life
Higher Performance

It's pretty self explanatory there. If you aren't gaming or doing anything graphics intensive leave it on Better Battery Life to increase battery life (duh). If you want to play a game, do some motion graphics or whatever, switch to High Performance to use the 9600GT. If you're always plugged in, you might as well use the High Performance setting.

Also, if you're in Boot Camp, there is no way to switch between the two, and you can only use the 9600.

There is no way to harness the power of both of them at the same time.