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Apple iPhone 11 review

Samsung teases with image of Exynos 5 Octa chipset

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25 January, 2013

Samsung Misc Touch UI

The Samsung Exynos 5 Octa chipset caused a lot of excitement and the SamsungExynos Twitter account is slowly fanning the flames with little teasing tidbits of info like this image of the chipset.

It’s a 3D render of the SoC rather than a photo of a production unit. In the same tweet, Samsung is talking up the energy efficiency of the chipset.

Up close with the #Exynos 5 Octa mobile processor #GreenTechnology (pic) twitter.com/SamsungExynos/…

— SamsungExynos (@SamsungExynos) January 24, 2013

In case you missed it, the Exynos 5 Octa uses ARM’s big.LITTLE design. It has two groups of four processor cores – the big group consists of four blazing fast Cortex-A15 CPUs, while the LITTLE group has four power-efficient Cortex-A7 cores. That’s eight-cores in total, hence Octa. Only one of the groups is active at a time, the other goes to sleep (similar to how NVIDIA's Tegra 3 chipset works, but with more low-power cores).

Samsung claims a 3.3x reduction in power usage thanks to the A7 cores, which are enough to handle menial tasks and are only 13% of the size of an A15 core, so they’re cheap. The overall performance is reportedly the same as an A15-only design. The switch between core groups happens in 30-50ms.

You can read more tech details on the Samsung Exynos 5 Octa chipset over here and get even techier details in this PDF.

Source | Via

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Reader comments

O
  • OSagnostic
  • m56
  • 18 Feb 2013

You can change the governor setting from ondemand (this is default) if you have a customer ROM or something like setCPU.

  • Reply
O
  • OSagnostic
  • m56
  • 18 Feb 2013

The idea belongs to ARM (big-LITTLE).

  • Reply
t
  • taz
  • Ivd
  • 09 Feb 2013

best idea EVAAAAAAH .. lol seriously .. that'd make more sense to call it a quad duo and shut a lot of idiots up -- wonder how long apple will take to claim this idea belonged to them first and sue ? i see it sucking really hard to be an apple fan...

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Total reader comments: 93

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