If you are looking for a separate setting for GPU Boost 2.0 in Afterburner, it doesn't exist. GPU Boost 2.0 is a fancy name for controlling max clock speeds by not only the desired clock rate, but also by adjusting gpu frequency based on the thermal and power envelope. Simply put, dynamic gpu clocks based on frequency, temperature and power.
In addition to afterburner, MSI also offers a "Gaming" app that allows you to select presets for your video card speed. These presets consist of;
As illustrated in the photo, you can see the slider that you would adjust to change the boost speed.Edited by wevsspot - 8/26/13 at 10:49am