ARM's Cortex-A7 and A15: A Performance Versus Power Consumption Optimization Scheme
November 16, 2011
Last month's edition of InsideDSP included the article "NVIDIA and Qualcomm ARM Up Against Competitors," which discussed (among other things) NVIDIA's upcoming five-core Kal-El (i.e. Tegra 3) SoC. Tegra 3 combines four ARM Cortex-A9 cores built out of conventional 40 nm transistors and a fifth Cortex-A9 constructed from low-leakage (albeit switching speed-limited) circuits. The fifth core will operate stand-alone in low-performance usage scenarios (including, ironically, during high definition video playback sessions, thanks to the chip's dedicated-function hardware resources).
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