Nvidia has just announced its next-generation Tegra 4 processor for smartphones, tablets, and notebooks. The Tegra 4, like its predecessor, features a quad-core processor along with a fifth, low power, core to save battery life. Although it retains the 4-plus-1 setup of Tegra 3, Nvidia's fourth-generation chip is built on an all-new architecture. The company's CEO Jen-Hsun Huang says that Tegra 4 is the world's fastest mobile processor, surpassing everything currently on the market. Nvidia hasn't revealed the clock speed of the Tegra 4's processor yet, but it does say that it has 72 GPU cores — we imagine its referring to CUDA cores here. Although it hasn't been confirmed, it's been rumored that Tegra 4 is produced using a new 28nm...
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