We were those gains were largely due to the Tegra 3's power - saving fifth core. (gizmodo.com)
For example, the low - power fifth core is activated if a user wants to listen to music, and the four high - performance cores are shut down to extend device battery life, Nvidia said. (computerworld.com)
Nvidia also promoted a technology called DirectTouch, which is what that secret fifth core is for. (gizmodo.com)