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Thread: Qualcomm Announces 64-bit Snapdragon Processors

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  1. #1
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    Default Qualcomm Announces 64-bit Snapdragon Processors

    Phoronix: Qualcomm Announces 64-bit Snapdragon Processors

    Qualcomm announced this morning their next-generation 64-bit processors for what they hope yields "the ultimate connected mobile computing experiences" with a ton of new features and capabilities...

    http://www.phoronix.com/vr.php?view=MTY1Nzg

  2. #2
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    Quite off-topic, but could anyone help me on this?

    How exactly are drivers and gpu acceleration working in android? My device does have an Adreno 203, but there is _no_ application available that is capable to utilize this gpu to decode videos. Not even xbmc gotham.

    My testfiles are the common h.264+DTS inside mkv (720 and 1080p).

    Thanks in advance

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    So just an ARM core repackaged by Qualcomm? Not like krait then?

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    Quote Originally Posted by Ferdinand View Post
    So just an ARM core repackaged by Qualcomm? Not like krait then?
    Lately, qualcomm has been using a lot of actual ARM cores on their chips. Up to now, they have been limited to low-end chips though.
    Thought krait was very nice, the main selling point for the snapdragon chips has and will continue to be the adreno GPUs.

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    Quote Originally Posted by droidhacker View Post
    Lately, qualcomm has been using a lot of actual ARM cores on their chips. Up to now, they have been limited to low-end chips though.
    Thought krait was very nice, the main selling point for the snapdragon chips has and will continue to be the adreno GPUs.
    Adreno GPUs have been historically non-competitive, until Adreno 320 and Adreno 330. But if the latest one, that's coming in H1 2015 is only 80 percent better, then it won't even beat Tegra K1 from this year.

    Also, why does Qualcomm bother to license the ARM architecture if they're doing to use stock ARM anyway?

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    Quote Originally Posted by Krysto View Post
    Adreno GPUs have been historically non-competitive, until Adreno 320 and Adreno 330. But if the latest one, that's coming in H1 2015 is only 80 percent better, then it won't even beat Tegra K1 from this year.

    Also, why does Qualcomm bother to license the ARM architecture if they're doing to use stock ARM anyway?
    Historically, Adreno has always been (and remains) the only mobile GPU to offer even the POTENTIAL for open source drivers. Further, the current adreno has ALWAYS been more than competitive against alternatives.

    As far as comparing anything against "tegra"... thats just nvidia trash. The only thing they have in their favor is stronger marketing.

  7. #7
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    Quote Originally Posted by Krysto View Post
    Adreno GPUs have been historically non-competitive, until Adreno 320 and Adreno 330. But if the latest one, that's coming in H1 2015 is only 80 percent better, then it won't even beat Tegra K1 from this year. Also, why does Qualcomm bother to license the ARM architecture if they're doing to use stock ARM anyway?
    The 220 and 225 weren't bad, actually, and they were energy efficient, unlike nvidia. Simliarly, checkout this (http://kyokojap.myweb.hinet.net/gpu_gflops/). The adreno 430 is supposed to get be about 82% faster than the 330 which puts it somewhere north of 235 gflops @ 450MHz. Compare that to nvidia's kepler which needs to run at 950Mhz to get their alleged 365gflops. Consider, also, that the adreno 430 has a faster bus (25GB/s vs around 17GB/s for nvidia) and that power draw difference (~1W for 330 vs ~3W for K1) AND if you qualcomm wanted to blow their power budget they might be able to clock their gpu as high as nvidia which would put it north of 470gflops @ 900MHz. IOW, nvidia didn't design a very efficient gpu, like usual.

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    Quote Originally Posted by droidhacker View Post
    Lately, qualcomm has been using a lot of actual ARM cores on their chips. Up to now, they have been limited to low-end chips though.
    Thought krait was very nice, the main selling point for the snapdragon chips has and will continue to be the adreno GPUs.
    mostly marketing for certain markets.. especially w/ the cortex-a53 stuff (which isn't going to be as fast as current 32b krait)

    a57, maybe we start seeing some of the benefits of some of the improvements thanks to armv8 instruction set.

  9. #9
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    Quote Originally Posted by widardd View Post
    Quite off-topic, but could anyone help me on this?

    How exactly are drivers and gpu acceleration working in android? My device does have an Adreno 203, but there is _no_ application available that is capable to utilize this gpu to decode videos. Not even xbmc gotham.

    My testfiles are the common h.264+DTS inside mkv (720 and 1080p).

    Thanks in advance
    The GPU is not used to decode videos. There is a separate vidc thing for that. I've some notes about how it works on current devices:

    https://github.com/freedreno/freedre...o-Acceleration

    No idea if it is the same on your device.. which if it has an adreno 203 is I guess fairly old.

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    Not that I have a problem with 64 bit ARM, but what exactly is the point for non-server purposes? The highest RAM content I've seen on a non-server ARM system was 2GB. Considering the simplicity of the architecture, I doubt there's going to be a significant performance improvement switching to 64 bit. I'd much rather see more plug'n'play features.

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