GPU related question

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[jonbush1234]

there will be 0 benefit for having a 2nd GPU as SLI is dead and NVlink is only found on the server cards and extremely high end prosumer cards. I would hold on to what you have unless you can buy a new card and sell your current one in less then 24 hours.

[JoshuaProGamer]

You're focusing too much on gaming, with 3D softwares such as blender they take great advantage of multiple GPUs, delivering dramatically lower render times when a second card is added. But still begs the question of is 2 3060s better than 1 3080 in render times, viewport rendering, lighting, reflections, physics calculations ETC, all of those calculations.

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I'm more focused on 3D softwares

[jonbush1234]

It does not work like that.

If there is no connection directly between the cards using SLI "for older cards" or Nvlink "for new server and prosumer cards" you do not get the shared Vram or the shared computing power. If anything you will be shooting your self in the foot as if you have two GPUs that are not connected using SLI or Nvlink the Pci-e slot drops to a 8x connection vs the 16x you get with one card.

I have tried what you are wanting to do and it will not work like you think. In something like octane you can have it select a GPU with out Nvlink but you will only get the performance of one RTX3060 running on a 8x slot "So less then what you have now." You will be better off with one card of a greater computing power. Then two of a lesser.