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Radeon 5850 or Radeon 6670 For CS5.5 ?

Jul 31, 2012 2:20 AM



I have a choice between using a Radeon HD 5850 graphics card or a Radeon HD 6670 graphics card in the PC I use for Premiere Pro CS5.5. According to the graphics card hierarchy on the "Toms Hardware" site the Radeon HD 5850 card is 5 levels higher in performance however it exhausts a lot more heat out of the rear of the PC case.


Due to my office being in a relatively confined space I would prefer the lower heat output of the Radeon 6670 card but only if I am not going to suffer degradation of performance when rendering and editing with CS5.5.


The other relevant hardware in the PC is an i7 2600k CPU and 16gb 1600MHz DDR3 RAM. The operating system is Windows 7 and I have LucidLogix installed.


Is rendering and editing with CS5.5 graphics card intensive or CPU/RAM intensive and would the Radeon 6670 be OK or should I stick with the Radeon 5850?


Thx for any advice

  • Currently Being Moderated
    Jul 31, 2012 3:55 AM   in reply to wet_bimbette

    If you need a new card, do yourself a favour and stay away from all AMD cards. The only brand to get is nVidia and the specs you must look for are:


    1. At least 1 GB VRAM
    2. At least GDDR5 memory
    3. At least 192+ shader units or CUDA cores. The more the better and even more important, look at the best memory bandwidth you can afford.


    Looking at your budget range, comparable in cost to the HD 6670, look at the GeForce GTX 550 Ti. In PR it is around 11 times faster than any AMD card for rendering. The next step up to look at are the GTX 660 or GTX 660Ti


    Look at the MPE Gain Chart

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  • Currently Being Moderated
    Jul 31, 2012 6:28 AM   in reply to wet_bimbette

    Correct and correct.


    LucidLogix has nothing to do with PR. PR needs to render and encode on its own and then the hardware MPE is essential. LucidLogix seems purely oriented towards gaming. Weird applications like LucidLogix Virtu MVP are best kept on a different machine than PR.

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  • Currently Being Moderated
    Jul 31, 2012 6:49 AM   in reply to wet_bimbette

    pr.png PR = Premiere Pro and is the designated shorthand, as indicated by the taskbar icon.


    Games do not belong on an editing rig. LucidLogix Virtu does not belong on an editng rig. PR will not benefit from having it installed and it can only lead to problems. If your claims about Virtu are correct, installing it will reduce performance by a factor 11 if it does not give problems. Who, in his right mind, would deliberately reduce performance by a factor 11?

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  • Currently Being Moderated
    Jul 31, 2012 9:08 AM   in reply to wet_bimbette

    It will only happen if LucidLogix takes over. If not, then there is no sense installing it in the first place, because by the nature of the product, it will remain resident and run in the background, stealing CPU cycles and memory and thus reducing PR performance, not to speak of potential incompatabilities.


    Speaking in terms of the periodic table, where you start with



    you may end up - after installing LucidLogix Virtu - with



    which is very short lived. LV stands for LucidLogix Virtu of course, not Livermore.

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  • Currently Being Moderated
    Jul 31, 2012 9:55 AM   in reply to Harm Millaard

    High-end video cards are good at what? Processing graphics (video), and lots of it! Therefore, Adobe wrote the 64-bit Premiere to take full advantage of the hundreds of CUDA cores found in nVidia cards to unleash the parallel-processing goodness onto HD video editing, accelerating the effects rendering and such. To suggest that LucidLogix would switch the load over to the CPU for improved performance is totally backwards and counter-productive, which is what Harm is trying to tell you. The Mercury GPU acceleration relies on the nVidia GPU, not the CPU.


    Get yourself an nVidia card and you will see a great performance improvement in Premiere!


    Adobe has a short list of approved nVidia cards, found here - ompatibiltiy-list-premiere-pro-cs6-only-hw-compatibility.pdf but many others will work with a minor software modification, just Google "Studio 1 hack" for more info.


    This video explains how the GPU acceleration benefits Premiere -




    Jeff Pulera

    Safe Harbor

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  • Currently Being Moderated
    Aug 4, 2012 3:37 AM   in reply to wet_bimbette

    When you install PR or an update, like CS6.01, the file:


    'cuda_supported_cards.txt' is created new, so each time you update and your video card is not in the list of this text file, you have to add it manually. That is the 'hack', just a simple text line added to this file. Once you have done this, you can use the hardware MPE acceleration.


    The people who have submitted their data have done this all the time. That is why we now have 625 systems with 13 different video cards in this chart, while only 5 of these are officially supported. Remember that to be included in this chart, there have to be more than 12 observations after correcting for outliers. So there are even more 'hacked' video cards in use, but they are excluded from the chart, because there are not enough observations to publish statistically reliable data, as are the supported cards like the Quadro 5000 and 6000.


    If you look at the chart now, you may get the impression that the 680 (avg. 4.92 s) is way faster than the 570 (avg. 8.91 s). This is caused by two factors:


    1. Limited number of observations for the 680, and
    2. 680's are only installed on the very latest Intel PC's. The older generation is also installed on much older and slower systems, resulting in slower figures.


    The decisive factor for video card performance is memory bandwidth. CUDA cores are important, but not as much as the memory bandwidth.

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  • Currently Being Moderated
    Aug 4, 2012 6:06 AM   in reply to wet_bimbette

    [Moved to Hardware Forum]

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  • Currently Being Moderated
    Aug 4, 2012 7:27 AM   in reply to wet_bimbette

    You need to apply the 'hack'. Make sure you have a line like this in the cuda_supported_cards.txt file:



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