Is RTX3060 12GB VRAM ever better than RTX3070 8GB VRAM, for Enscape?

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  • 1. Is a RTX3060 with 12GB VRAM ever better than a RTX3070 8GB VRAM, for Enscape? The RTX3060 12GB is slower in fillrate, and for videogames RTX3070 8GB is considered more balanced, but does Enscape need more VRAM than videogames… such that, for Enscape, is the RTX3060 12GB ever considered more balanced because of the VRAM (would the RTX3070 8GB be bottlenecked by its VRAM in Enscape)?

    (Enscape’s system requirements are listed here as 4GB VRAM minimum and 8GB VRAM on the high end, but many forum threads seem to mention 8GB VRAM as more of a recommended minimum with more than 8GB being better?)

    I do small-to-medium size models (interiors & houses) but would like to do larger models (multi-floor towers or one airport terminal size bldg) if a RTX3060 12GB or RTX3070 8GB would allow it, maybe with some optimizing. I do videos and realtime walkthroughs in 1080p, with no 4k, 8k or VR; and may like to do stereoscopic video generation but not as top priority.

    2. Does Enscape use shared VRAM when GPU onboard VRAM is all used up (at the cost of slower performance), or is GPU onboard VRAM a hard limit you can’t go above in the size of your scenes (Enscape will eventually crash)? My impression is that it’s the second, is this correct?

    (I'm limiting my GPU choice to RTX3060 12GB and RTX3070 8GB because of budget and because RTX4xxx will use too much power for the PSU. System RAM is 16GB, and CPU is Ryzen 1700x.)

    Many thanks!

    • Best Answer

    In most cases I'd say the 3070 - it is quite significantly faster.

    Although it has less memory, the memory is faster too.

    I think there could be an argument to go for the 3060 with more memory if you create scenes with lots of planting and trees.

  • I have a 2070 with 8gb and I’d happily trade lower speed for more memory.

    You mention video games, they’ll have a team of people working for months to optimise textures, we don’t have that time/team luxury and as a result much of our geometry/textures are over complex/over size.

    Raytracing uses memory like crazy and as a result the times I’ve tried it resulted in Enscape/SU crashing out when the video memory filled up. I can render with it off but on would be better.

    If I was offered a 3070 or 3060 as an upgrade I wouldn’t even have to think about it, it’d be the 3060 with its 12gb

  • I run a 3060 on my work-from-home pc and a 3070 at my office. I feel like the 3060 runs better than the 3070 90% of the time. I have no concrete proof but that's just my opinion.