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GPU options

HarbadixHarbadix Posts: 126
in Technical Help (nuts n bolts)

I have read the tech recomendations for graphic cards for Daz Studio but I am on a tight budget as I have just had to replace my PSU and motherboard and I think my GPU is on its way out too.

So quick question, which is better a 4gig GeForce card or a 2gig GeForce card that has twice the CUDA cores as the 4gig card?
I know the recomendation is to have a 4 gig card but I also read CUDA cores are importnat too

Comments

  • fastbike1fastbike1 Posts: 4,078

    The Cuda cores won't help if the scene won't fit in the card's Vram. A 2 GB card will have about 1.5 GB available for the scene. 1.5 Gb won't fit more than a single character with a simple backdrop (or HDRI) and simple clothing.

  • HarbadixHarbadix Posts: 126

    OK so let me see if I am understanding this right......my current card is a Geforce GT630 with 1gb and I regularly render scenes with more than one character and complex environments so that means my GPU isnt doing the rendering it is the CPU on its own?

    (I'm talking D3Delight not Iray by the way)

  • mjc1016mjc1016 Posts: 15,001
    edited March 2016

    3Delight never uses the GPU for rendering...so it doesn't matter.

    The Nvidia card is only needed to use the GPU rendering features of Iray.

    Post edited by mjc1016 on
  • HarbadixHarbadix Posts: 126

    Ah I see, thanks guys thats made things clearer.yes

  • fastbike1fastbike1 Posts: 4,078

    Note that Iray will render CPU only when the GPU doesn't have enought VRam

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