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Activity Forums DaVinci Resolve Mac hardware videocard setup

  • Mac hardware videocard setup

    Posted by Bastiaan Houtkooper nsc on October 14, 2010 at 8:13 pm

    I’ve just got my system ready with the GTX285 and a GT120 videocard.

    Currently I have one monitor attached to the GT120 as per manual but I am used to work with dual screens and would like to use it with other software.
    Will it effect the Resolve performance when I attach a monitor to the GTX285?

    I am using a REDrocket card and was trying to find the best realtime performance. It seems that the REDrocket setting are effecting the playback speed too. But not in a linear way. Using 4K RED material for a 2K timeline, it seems that matching the timeline resolution in the rocket (half debayer-good) gives realtime, when I go up to full debayer it slows down (sound logical) but even when I set it to a quarter debayer it also slows down. My guess that the realtime playback goes when Resolve has to resize?
    How are they connected and what is effecting what?

    How do I get the best quality renders? Do the REDrocket settings also effect the final render or is that always done at the highest setting?

    Bastiaan Houtkooper nsc replied 15 years, 7 months ago 2 Members · 3 Replies
  • 3 Replies
  • Rohit Gupta

    October 15, 2010 at 2:14 am

    >>Currently I have one monitor attached to the GT120 as per manual but I am used to work with dual screens and would like to use it with other software.
    Will it effect the Resolve performance when I attach a monitor to the GTX285?

    We recommend connecting the 2nd monitor to the 2nd port of the GT120 card. You will need a mini-displayport to DVI adapter. You should not connect anything to the GTX285 card, especially the monitor which is running the Resolve GUI.

    >> I am using a REDrocket card and was trying to find the best realtime performance. It seems that the REDrocket setting are effecting the playback speed too. But not in a linear way. Using 4K RED material for a 2K timeline, it seems that matching the timeline resolution in the rocket (half debayer-good) gives realtime, when I go up to full debayer it slows down (sound logical) but even when I set it to a quarter debayer it also slows down. My guess that the realtime playback goes when Resolve has to resize?
    How are they connected and what is effecting what?

    When using a Red rocket on Mac, I would recommend using Half Res Premium, and set the system/timeline resolution to whatever you are finishing at.

  • Bastiaan Houtkooper nsc

    October 15, 2010 at 6:32 am

    Thanks for the answer, good to know what the guideline is but I would love to hear the technical background so I can understand what is going on. (both with the two videocards and the RR).

    ALso did not get an answer if/how the RR settings effect the final renders.

  • Bastiaan Houtkooper nsc

    October 15, 2010 at 1:08 pm

    Good to know, thanks.
    Now I should not forget this setting when I render out…..
    Might be nice to see this setting somewhere in the export/render screen as a reminder.

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