The new Apple MacBook Pro laptops Apple launched yesterday feature besides the new Intel Core i5 and Core i7 CPUs also new NVIDIA based graphics.
Like the former MacBook Pro generation two graphics engines are available. In the new MacBook Pro the switching is automatic. The goal is to offer the suitable performance and maximizing battery life at the same time.
Ars Technica explains in more details how Apple achieves this. The new MacBook Pro is not using the NVIDIA Optimus technology. Apple's solution is does not require user intervention. Mac OS X takes care of the switching and Apple also powers down the unused GPU.
More details about the new MacBook Pro can be found here.
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