ARM Cortex-A15 vs. NVIDIA Tegra 3 vs. Intel x86
Written by Michael Larabel in Processors on 29 November 2012. Page 7 of 7. 42 Comments

The performance between the Exynos 5 Dual and NVIDIA Tegra 3 was rather surprising, but it will really get competitive with the Tegra 4 SoCs. NVIDIA will be utilizing quad-core versions of the Cortex-A15 in some of their forthcoming Tegra SoCs.

The Samsung Exynos 5 Dual can easily handle MP3 encoding with LAME.

Overall the performance out of the Samsung Exynos 5 Dual on the new Chromebook is very attractive. While Ubuntu on the Chromebook isn't perfect (the broken touchpad and sound support, etc), for those looking towards the ARM Cortex-A15 for development purposes or as a test bed for experimenting with Linux on ARM, the Samsung Chromebook is a very attractive bargain priced at $250 USD.

It was surprising to see the wide performance margin the dual-core 1.7GHz A15 had over the quad-core 1.4GHz A9 in the Tegra 3. In a majority of the cases, the Samsung Exynos 5 Dual also easily beat out all of the tested Intel Atom processors. And then there was the Intel Core i3 330M, which was faster, but on the performance-per-Watt this would be a very different story. The Core i3 330M has a 35 Watt TDP while the Exynos 5 Dual operates within a few Watt envelope. Unfortunately due to the varying displays and other hardware differences, an easy power consumption / performance-per-Watt comparison couldn't be done for this article.

Stay tuned for additional ARM Cortex-A15 Linux benchmarks on Phoronix.

About The Author
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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