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Thread: ARM Cortex-A15 posts impressive performance, threatens Intel and AMD

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    Default ARM Cortex-A15 posts impressive performance, threatens Intel and AMD

    Samsung’s dual-core Exynos 5 broke cover with the launch of a new Chromebook a few weeks ago. Now, a full suite of Ubuntu benchmarks show the chip as a credible threat to Intel and AMD’s low-power x86 processors in the tablet and netbook space. Nvidia’s Tegra 3 was similarly abused, though Tegra 4′s imminent ramp should help diffuse the situation.


    Phoronix tested the Exynos 5250 against Nvidia’s quad-core Tegra 3, three Intel Atom’s (the N270, Z530, and dual-core D525), and a Core i3-330M with a 35W TDP. The Exynos 5250 smokes Tegra 3 and the two single-core Atom processors, racking up wins by margins of up to 50%. The dual-core, Hyper-Threaded D525 is better competition for the Cortex-A15, but the ARM chip still won more tests than it lost to that particular Intel CPU.


    The Core i3-330M, on the other hand, crushed the Cortex-A15 in every single metric. While the article points out that the i3′s TDP is nearly an order of magnitude greater than the Exynos 5250′s, it failed to acknowledge that Intel has made substantial strides in this department. The i3-330M was launched in early 2010 as a 2.13GHz chip with 3MB of L3, no Turbo Mode, and no AVX support. The best current, non-embedded match would be the Core i7-3667U (2GHz base, 3.2GHz Turbo, 4MB L3, 17W TDP) or the embedded i7-3517UE (1.7GHz base, 2.8GHz Turbo, 4MB L3, 17W TDP).

    The $249 Chromebook is looking like an impressive machine.



    The point here isn’t to diminish the Cortex-A15′s accomplishments, but to put its performance in the proper context. The TDP and performance-per-watt gap between Intel’s Core products and the current low-power Atom, Brazos, and ARM families have shrunk dramatically in just two years. They’ll shrink further in 2013, when Intel launches 10W Haswell hardware.


    The Cortex-A15 is unlikely to challenge Intel’s absolute performance lead, but it could form a potent bulwark against Clover Trail. The D525 is a decent stand-in for the Z2760′s performance, if not its thermals. I suspect that AMD’s Brazos would have put up a better showing — it’s typically 15-25% faster than Atom — but Brazos is a bit long in the tooth compared to either chip. As for Tegra 3, these benchmarks stress just how badly Nvidia’s product line needs a refresh.


    Of the three companies we’ve mentioned, AMD is easily the most vulnerable to a strong Cortex-A15. Intel has low-power SKUs, high average selling prices (ASPs), and substantial momentum to draw on. Nvidia’s Tegra 4 is already in the pipe. AMD’s Brazos is aging and its replacement is still half a year or more away. If Kabini slips later in 2013, it could end up squeezed between the Cortex-A15 at the low end, and Intel’s 22nm Valleyview Atom (the first out-of-order Atom architecture) at the top.


    The next 12 months will determine whether Windows RT will seize a significant percentage of the x86 notebook market or if these devices remain on the periphery. Based on these performance figures, I suspect Cortex-A15 designs will be the first real competitors for x86 tablet and netbook form factors. Tegra 3 may have served as a launch vehicle for the Surface RT, but the dual-core Exynos is dramatically faster than Nvidia’s quad-core design. Windows RT and Android tablet manufacturers aren’t going to ignore that.



    source: ARM Cortex-A15 posts impressive performance, threatens Intel and AMD | ExtremeTech
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    Default Re: ARM Cortex-A15 posts impressive performance, threatens Intel and AMD

    After reading this story again after posting it, I came to realize just how pointless it was. Its all speculation and guess work. Why even mention AMD if you didnt even test it against an A15? Why compare it to the last gen product that is being replaced? Why compare an A15 5w part to a 30w part? Or an I7 quad part? This is just silly.
    Sorry for sharing this one.
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    Default Re: ARM Cortex-A15 posts impressive performance, threatens Intel and AMD

    dont be sorry mate. it is info,
    and the poor people in poverty at the bottom of the barrel need hope that the chip market will someday have a competitive market.

    it's kind of like a flikering light at the end of a tunnel,,,speculativly
    pleas take a moment to watch and share this in it's ENTIRETY http://www.youtube.com/watch?v=20RoAfflGCM
    learning is good .....understanding is better .....pleas teach with wisdom............................................ ..............calemus

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    Default Re: ARM Cortex-A15 posts impressive performance, threatens Intel and AMD

    Thanks for the post Sandy, news is news, and you were the 1st member to post it
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    Default Re: ARM Cortex-A15 posts impressive performance, threatens Intel and AMD

    Quote Originally Posted by Doctor_Death View Post
    Thanks for the post Sandy, news is news, and you were the 1st member to post it
    Thank you sir. I read a lot of tech news but I sometimes I get busy and don't get the chance to post it.

    Some may still find this article enlightening but I kind of left with the feeling they were tossing speculations together to spell the end of Intel and AMD in the lower end offerings. I have to disagree with this because even running Windows 8 RT on a arm chip you will still be missing half of what people use windows for. So installing RT on a desktop or a laptop form factor will actually hurt Windows more then it will help. People will come away with a bad taste because of compatibility issues. Go tell everyone how they couldn't get apps to work and couldnt get it to connect to this device or that device. So if MS is smart they would limit OEMs from just slapping WIN 8 RT on just any device with an ARM chip. Android and IOS will never replace windows. So for the best experience with all the software you already own and devices you already own you will still need an X86 based cpu and a Full version of Windows.
    Arm15 is a monster of a cpu.... within that given power envelope and for being for tablet and phone form factors. I can even see it being used in limited circumstances for AIO desktop systems. A cheap desktop that low income family's can use for school work and email.
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