Definition - What does Tegra 3 mean?
The SOC comes with a Nvidia graphical processing unit (GPU) that supports HD gaming and 1080p video playback. It also comes with Nvidia's 4-Plus-One technology. This refers to its quad-core CPU and a fifth core: called the battery-saver CPU core. The quad cores run at 1.4 GHz and at 1.5 GHz for single-core usage. Memory support includes up to 2 GB of RAM. The platform is also known for its strong battery life, due to the battery-saver CPU core that handles light tasks.
Techopedia explains Tegra 3
Nvidia GM Mike Rayfield said that Nvidia plans to support 30 different smartphones in 2012 with the Tegra 3.