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ChipConnoisseur
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re: Samsung reveals eight-core mobile processor
ChipConnoisseur   1/11/2013 12:07:45 PM
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No, he's right. There are 5 cores, but it's only a "quad core" chip, with a companion core being activated for low-end tasks (while deactivating the other 4). So it's very similar to Samsung's Exynos 5 Octa, although I have serious doubts that the low-clocked A15 is more energy efficient than a quad core A7.

eewiz
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re: Samsung reveals eight-core mobile processor
eewiz   1/11/2013 6:27:42 AM
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Turns out that Tegra 4 is actually a 5 core chip with 4 "big" cores and a single "little" core.

Jay_EE
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re: Samsung reveals eight-core mobile processor
Jay_EE   1/10/2013 11:38:31 PM
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http://www.eetimes.com/electronics-news/4398094/Big-LITTLE-software-is-not-so-hard?pageNumber=1 If OS supports the multi processing mode of big.LITTLE technology, then yes, APP can access all eight cores.

Jay_EE
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re: Samsung reveals eight-core mobile processor
Jay_EE   1/10/2013 11:32:33 PM
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big.LITTLE supports three operation modes. Cluster migration, CPU migration, and multi processing mode. In multi processing mode, all four A7 cores and four A15 cores are on at any time. SAMSUNG's new exynos chip also supports all of those three modes. Check out the ARM website.

help.fulguy
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re: Samsung reveals eight-core mobile processor
help.fulguy   1/10/2013 10:09:34 PM
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Just a hogwash. Its Quad core at a time. Rest is just marketing

luting
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re: Samsung reveals eight-core mobile processor
luting   1/10/2013 6:23:35 PM
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This is Quad Core SoC, not Eight Core. In Peak performance mode, it will be only Quad A15 running. A7 only kicks in at low power mode to replace shutting down A15. Nvidia Tegra 4 claims to be Quad Core SoC but I am sure there is similar Big-Little arrangement to have 4 Low Power Cores behind.

ChipConnoisseur
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re: Samsung reveals eight-core mobile processor
ChipConnoisseur   1/10/2013 6:18:34 PM
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Apps won't have access to more than 4 cores at a time.

rick merritt
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re: Samsung reveals eight-core mobile processor
rick merritt   1/10/2013 5:38:43 PM
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...and wonder if mobile apps can really take advantage of eight cores in any configuration.

rick merritt
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re: Samsung reveals eight-core mobile processor
rick merritt   1/10/2013 5:37:52 PM
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I nominate the Exynos 5 Octal for best silicon slideware of CES 2013 ;-)

pica0
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re: Samsung reveals eight-core mobile processor
pica0   1/10/2013 3:47:28 PM
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Looking at http://www.phoronix.com/scan.php?page=article&item=samsung_exynos5_dual&num=1 a 4 core A15 SoC provides sufficient compute power even for more than 80% of all commercial desktop needs. Future will be interesting ...

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