dual processors on the Motorola Droid

Discussion in 'Android General Discussions' started by db83, Dec 1, 2009.

  1. db83
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    db83 New Member

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    I've heard the motorola droid has dual processors? can anyone confirm/deny?

    I just ordered it today, but I'm considering refusing the package to wait for the HTC passion... if it comes to verizon. Any thoughts on this? Is the HTC passion worth waiting for? Hardware pros and cons vs. the motorola droid? any input would be appreciated, I have like a day to make the decision.
  2. mth04
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    mth04 Premium Member Premium Member

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    The Droid has a CPu and GPU in it. The Passion will havve the 1GHZ Snapdragon processor in it, but no NO GPU. If it's worth waiting or not is up to you :)
  3. db83
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    db83 New Member

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    Theoretically, what would be faster of the two? any other info on the passion?
  4. Donkey Hodie
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    Donkey Hodie New Member

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    Given the rate of change on cell phones, you could wait for the "next new thing" pretty much forever. There will always be something new and hot coming down the road.
  5. wuyanks
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    wuyanks DF News Team Premium Member

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    nobody knows yet :D we don't even know how fast the Droid is, let alone a phone not even on the market.

    but the Passion will have the Sense UI, and may look sleeker (HTC is kickass). and it will be a fast phone. the key question is, WHEN will we see it in the US?
  6. mth04
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    mth04 Premium Member Premium Member

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  7. db83
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    db83 New Member

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    does the droid have a 550mhz CPU along with a 550mhz gpu? or are the speeds different?
  8. mth04
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    mth04 Premium Member Premium Member

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    I have been looking around but haven't found the GPU spec. 550MHZ sounds right on the CPU. I can tell you from using the Droid since release week. Its VERY VERY good
  9. wuyanks
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    wuyanks DF News Team Premium Member

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  10. Dave12308
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    Dave12308 New Member

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    The thing is, both the TI OMAP 3430 and the Qualcomm Snapdragon are PLATFORMS, not discrete CPUs. The OMAP has the ARM Cortex A8 CPU core, The Snapdragon's Scorpion Applications Processor is very similar to the Cortex A8 (actually, I believe it IS an A8 core).

    The Snapdragon DOES have a GPU (unsure of what type, I believe it may be a custom OpenGL ES 2.0 accelerator), it's capabilities are:

    up to 22M triangles/sec and 133M 3D pixels/sec

    This is actually higher performance than the PowerVR SGX 530 built into the Droid's chipset, as that tops out at around 10M triangles/sec in the implementation used in the OMAP 3430.
  11. db83
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    db83 New Member

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    where did you read that dave? and how much of a performance improvement do you think this would give the passion over the moto droid?
  12. ezeddiekun
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    ezeddiekun New Member

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    If it beats the droid in both clock cycles and gpu power than I guess its a big difference!
  13. Dave12308
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    Dave12308 New Member

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    Actually, I read it on Qualcomm's site in the data sheet for the mobile phone version of the Snapdragon. I'll give you a link:

    Snapdragon™, Qualcomm Snapdragon™, QCT Snapdragon™ - QCTConnect.com

    The Passion likely runs the QSD8650 variant (CDMA capable for mobile handsets).

    As far as performance improvement, it would likely depend on exactly how good the Scorpion CPU is at number crunching. It depends on a lot of things, such as CPU cache; memory bus width, etc. Same as on a PC platform. For example, both an Intel Core i7 and an AMD Phenom x4 are x86-64 instruction set compatible; but even at a given clock speed, they are not directly comparable. The Core i7 is simply faster in most instances.

    And concerning the GPU, OpenGL performance differences would mostly depend on the quality of the device driver and the actual architecture of the GPU. The Droid very well could end up being a faster device overall, especially if the Snapdragon's GPU isn't as efficient, or the drivers aren't as well optimized. Very hard to tell until we can directly compare the 2 devices. Theoretical maximum triangle and fill rates mean little to nothing in the real world. I do know that I cannot dig up any specifics on the Snapdragon GPU; however the Droid's PowerVR SGX530 is an established GPU in the market, and I uses a tile-based rendering scheme known for its efficiency.

    POWERVR Visual IP Cores


    If only it were that easy, buying consumer computing devices would be so much easier. Basically, like I said above; architectural differences could end up making the Droid's processor faster. Same with the GPU. If clock speed meant everything, the Intel Core2 series would have never caught on and people would all be using Pentium 4s. After all, a Core2Duo at 1.86GHz blew the doors off of a 3.2GHz dual-core P4. Yet based on clock speed, the P4 SOUNDS faster. My current video card (nVidia GTX275) runs at 666MHz, my old 8800GT ran at 700MHz. Yet my GTX275 is roughly 3x faster.
    Last edited: Dec 2, 2009
  14. brianr0131
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    brianr0131 New Member

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    And another important thing to remember is that the Passion is rumored to be underclocked to 768 mhz anyway, to maintain decent battery performance. And, even at that clock speed battery performance could be worse than the droid.
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