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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, 10 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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