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Thread: Dual Nvidea RTX4000 vs Single RTX5000

  1. #1
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    Dual Nvidea RTX4000 vs Single RTX5000

    Am I correct to assume that a single RTX5000 is going to do significantly more for lightwave than dual RTX4000's? There isn't much difference in price but this will be a multi-purpose machine and some other software would actually do better with the dual RTX4000's. Trying to gauge impact on lightwave to help me decide.

    Thanks

    Don
    Last edited by DCJ; 09-17-2019 at 10:23 AM. Reason: typos

  2. #2
    Super Member OlaHaldor's Avatar
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    Unless you are doing CAD, GPU rendering or rely on other GPU intensive tasks; save your money. LightWave wont magically perform better with either, nor with two. If you use only LightWave (and possibly Painter or similar), any consumer grade GPU will do, whether it is GTX or RTX.
    If you have a sound reason to use two GPUs (and you know you will not exceed the 8 GB RAM limit) with GPU rendering or other tasks, two RTX 4000 will be a tiny bit faster than a single.
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  3. #3
    RETROGRADER prometheus's Avatar
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    Quote Originally Posted by OlaHaldor View Post
    Unless you are doing CAD, GPU rendering or rely on other GPU intensive tasks; save your money. LightWave wont magically perform better with either, nor with two. If you use only LightWave (and possibly Painter or similar), any consumer grade GPU will do, whether it is GTX or RTX.
    If you have a sound reason to use two GPUs (and you know you will not exceed the 8 GB RAM limit) with GPU rendering or other tasks, two RTX 4000 will be a tiny bit faster than a single.

    To note, TurbulenceFD for fluid fire and smoke simulates fluids much faster than cpu, up to a certain amount, then cpu kicks in...nevertheless, it may be worth it, If you invest in TFD that is.

    And, things like Adobe premiere, davinci resolve, fusion...some fractal art engines rely on GPU to render fast...and there is and will be more software that requires GPU.

    The question "will do more for" is ambiguous...since it isnīt clear wether or not the question Only refer to the Rendering or something else in Lightwave, though you have said Unless..this and that, so I am not arguing against you, just wanted to fill in with some additional remarks of what to keep in mind.

  4. #4
    Super Member OlaHaldor's Avatar
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    On that note; two GPU's will not help you with TFD. It takes one GPU only, as GPUs don't share memory.
    The free version of Davinci Resolve can, as far as I know, utilize up to two GPUs. Davinci Resolve Studio can utilize as many as the OS can support.
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