
"Nvidia reckons it has finally cracked the problem of smoothly swapping between graphics chips in notebooks that have more than one GPU. Today, it launched its solution, which it has branded Optimus.
"Now, we're not talking two or more GPUs configured in SLI mode for greater graphics performance. Optimus addresses the use of a discrete graphics chip that operates when you're running software that needs one, and a separate, integrate graphics core that handles all the other tasks, and does so with a much lower impact on battery life.
"Right now, Nvidia's focus is on Intel-made IGPs, specifically those in the 'Arrandale' Core i3, i5 and i7 processors; the 'Pine Trail' Atom N4xx netbook CPUs; and the integrated chipsets connected to old 'Penryn' Core 2 Duo chips."
Full article at
The Register