Tegra

         


     Tegra is a system on a chip series developed by Nvidia for mobile devices. The Tegra is an integration of an ARM CPU, graphics processing unit (GPU) and memory controller. The Tegra series is famous for low power consumption and high performance. 

           The first version of Tegra was Tegra APX 2500 which was announced on February 12, 2008. which had ARM11 600 MHz CPU. The second version was Tegra 600 which had ARM11 700 MHz CPU and third version. and third version was Tegra 650 which had ARM11 800 MHz CPU and low power DDR memory. The third and fourth were Tegra 2 and Tegra 3  which had a dual-core and Quad core ARM Cortex-A9 CPU with ARMv7 inst. set  respectively.

            The recent versions of tegra are Tegra 4 ( 6 January 2013 ) which had ARM Cortex-A15 and Tegra 4i (19 February 2013)  had ARM Cortex-A9 r4. And increased clock rate of 4i over 4 here is a screenshot of tegra 4 and tegra 4i specifications.

Photo Courtesy: www.nvidia.com
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Read more here:

http://www.nvidia.com/object/tegra.html

http://en.wikipedia.org/wiki/Tegra