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Cheap Radeon graphics card with OpenCL in Capture One 7

Permanently deleted user
Hi,

I am using now Capture One 7 on configuration: AMD Athlon x4 630 (4 x 2.8GHz) 12GB RAM, and SSD Kingston, Windows 8.1 Preview (I am thinking of buying Win8 or 7 only because of CO).
Working on 16Mpix RAW files from Pentax K-5II is pain I cannot imagine how poople can work on something bigger than 20Mpix, previously I developped 6Mpix files from Samsung GX-1s (Pentax *ist DS2) - it wasn't perfect because CO still doesn't support Samsung files (nevertheless the files are same as from Pentax *ist DS2 except header which I have to change before they can be used in my Capture One software!) but except this one thing everything worked smoothly.

Now on bigger files I need OpenCL acceleration and now comes question can I use cheapest one slot graphics card like AMD Radeon 7730 or 7750 ? I cannot put bigger (and of course more pricey cards) like Radeon 7790 because they cannot fit on my motherboard (I still need my 2 PCI slots which are next to PCI Express slot).

Does somebody use such cheaper graphics card and can confirm that they work ok? I tested only computer with Nvidia GTX 650 with Phenom x4 965 and it is not enough in my opinion but I've read that Radeons are much better in OpenCL calculations so maybe I don't need to change entire computer to work in one program? (I've just bought camera, SSD disk, RAM, update to CO7 and it is enough for my budget at the moment 😊 ).
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Comments

7 comments

Date Votes
  • Drew Altdo
    Please see the recommended list in the link below;
    http://www.phaseone.com/Search/Article. ... nguageid=1

    When it comes to graphic cards, you get what you pay for.
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  • Permanently deleted user
    I know that cheaper cards are slower but I cannot afford for recommended "AMD HD7970 GHz", maybe Radeon 7790 at most (when I buy additional soundcard for PCI express (and throw out working PCI card) to make free place for bigger graphics card). I hope that such card will be enough for me.

    Maybe you can tell us what is most important to Capture One 7 in calculations?
    More RAM? 1GB vs 2-3GB?
    More compute units (32 and 2048 stream processors in HD7970 vs 10 compute units and 896 stream processors in Radeon 7790)?
    Or maybe something else is like texture units, ROP are important in OpenCL calculations?

    As i said for now I can afford Radeon 7790 1GB RAM or maybe 2GB if it makes difference.
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  • Paul Spatafora
    CO needs a lot of horse power to run at it's peak performance. You can get by with slower graphics card, but you will not benefit from the Open CL speed. I gather that CO utilizes Open CL extensively, and a 1 GB graphics card won't help. I recently went through the same issue. I ended up buying a 7950 and then discovered that my power supply was not strong enough to handle the card. I ended up buying a 1000 W PS so that my system wouldn't crash.

    The good news is that I recently had to process a job in LR4 and discovered how slow it was processing the files compared to CO. You get what you pay for. I would save up and get a fast graphics card instead of a cheap one. As for RAM, CPU, again the faster the better. Slow equipment means you have to wait.

    Hope this helps.

    Paul
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  • Permanently deleted user
    I don't want to buy 1000W power supply and I don't want to buy Radeon 7950.
    Really nobody works on cheaper (cooler and silent) graphics card?

    Lightroom does not support OpenCL calculations so this is the only reason why CaptureOne 7 calculates faster with Radeon 7950 so when you compare CO with for example Corel Aftershot you'll see that CO is slow 😊 but it has other features (and I don't need to buy another RAW converter).
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  • Glenn101
    I've been using a AMD 7770 since shortly after loading CO Pro7 and it works just fine for me. I don't see any noticeable delay in screen reproduction working with CR2 image files. My CPU is an AMD 8350 8 core on a Asus 990FX MB using 16GB of memory. 256GB SSD system HD and 6TB of in case storage.

    If I thought a faster graphics card would make a noticeable improvement in image processing I wouldn't hesitate to upgrade. I don't play games.
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  • Permanently deleted user
    Thank you for your response.
    Based on your experience I've just bought Radeon R7 260X with 2GB memory (it is a little faster and newest version of Radeon 7790).
    Unfortunately now I cannot make Capture One Express 7 use OpenCL on display it works only when exporting files.
    When I am zooming and doing other operations it still uses my CPU so it is not smooth 😭

    I think that software shouldn't allow us to set option of using OpenCL between "Auto" and "Never" but it should also contain option "Always".
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  • Christian Gruner
    [quote="Aleksander12" wrote:
    Thank you for your response.
    Based on your experience I've just bought Radeon R7 260X with 2GB memory (it is a little faster and newest version of Radeon 7790).
    Unfortunately now I cannot make Capture One Express 7 use OpenCL on display it works only when exporting files.
    When I am zooming and doing other operations it still uses my CPU so it is not smooth 😭

    I think that software shouldn't allow us to set option of using OpenCL between "Auto" and "Never" but it should also contain option "Always".


    It is not all functionality that supports the use of OpenCL, which always why there is no "Always", as that would be misleading.
    But if your CO uses the GPU to export, it will also use the GPU when you change parameters (if both is set to "Auto"). You will see the changes will have a much higher frame-rate than when you use CPU.
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