Tegra 3 Kal El to surpass Tegra 2 battery life?

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17 Jun, 2011 11:34 am

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With dual-core ARM processors becoming more commonplace and quad-core versions likely to be a hit next year (and as early as the end of the year) there’s always the worry that battery life is going to drop, and drop. No problem with Tegra 3, at least, say ”industry sources” over at Fudzilla claim that ‘Kal El’ will have better battery life, if not be on par with Tegra 2 despite still being stuck on a 40nm manufacturing process. If the Motorola Xoom had Tegra 3 it would be expected to reach 10 hours of battery life.

Motorola is rumored to have a Tegra 3 tablet due out by the end of the year so we’ll pretty soon how this claim turns out to be. This is all due to better power management in Tegra 3 apparently. Tegra 3 devices are expected to start appearing towards the end of the year. It’ll have its processor cores clocked at 1.5GHz, with 12-core graphics offering superior “5x faster” 3D performance as well as supporting 2560 x 1600 video output. Following Tegra 3 Kal El is Wayne, which will be based on a 28nm process, offering 10x the performance of Tegra 2 and is due out sometime next year.

Source: Fudzilla


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  • sola

    This is really hard to believe.

    Without the process advantage, only aggressive power optimizations could help like asynchronous core loading.

    As far as I know, Tegra3 (Kal-El) will not be capable of any kind of asynchronous core loading so there will be two more Cortex-A9 cores firing at any given time compared to Tegra2. Is it possible that the cores can save so much power when synchronously scale down to a lower frequency/voltage range? Some pro could really chime-in.

    Maybe TSMC has been doing some generic process optimizations. As I remember Tegra2 is already on a hybrid process, maybe all of the Cortex-A9 cores will be put on low-power silicon (although that wouldn’t run 1.5Ghz) and the GPU cores will only be high-power.