NVIDIA have posted a video comparing the performance, size and power consumption of their ARM11™ MPCore™ processor-based Tegra computer on a chip, with the equivalent Intel solution.
The results illustrate that the Tegra solution is one tenth of the size and one tenth of the power consumption of the Intel solution, while playing high definition video, compared to the Intel solution playing standard definition video.
The video can be viewed at http://www.youtube.com/watch?v=XXYshhuJzh4
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