Tip: Switch GPUs on MacBook Pros to save batteries
In the latest MacBook Pro systems from Apple (including some before the aluminum "Unibody" design), many models contain two GPUs: a discrete GPU and an "onboard GPU." The discrete GPU is a dedicated high-performance graphics chip for processing graphics data without impeding on the system's RAM and other resources. On the other hand the onboard GPU is an embedded graphics option that shares system RAM and other resources. As a result it is a slower graphics processing option, but when used the system can turn off the discrete GPU and thereby save more battery life.… Read more