CPU or GPU for rendering?

[Anonymous]

hello,
i'm in the search for new notebook up to price 700 eur, and i have a dilemma which one to buy.
so, I have few questions:
1st: is it more important to have more cpu cores or better gpu for faster rendering in archicad, artlantis, lumion etc.
2nd: some i7 cpu comes with only 2cores and others with 4 cores. is there significant difference?
3rd: how important is number of threads, because i saw AMD cpus with 4 cores and 4 threads, unlike the i7 which has 4 cores and 8 threads

Thank You very much!

[Laszlo Nagy]

1. As far as I know CPU is what is being used by most current rendering applications. Some applications start to appear that use the GPU or GPUs but there is only OctaneRender currently (that I know about) that is using GPUs:

http://archicad-talk.graphisoft.com/viewtopic.php?t=41417

So for ArchiCAD, Artlantis etc. CPU is more important.

2. A 4-core processor is better than a 2-core processor as it can handle 4 processing threads instead of 2.

3. Number of threads is what really counts. Intel has Hyperthreading which means that 1 physical core can run two processing threads in it. A 4-core 8-thread processor is better than a 4-core 4-thread processor. From the application's standpoint the former can process 8 threads for ArchiCAD or the rendering application, while the latter can process only 4 threads.
Even in Graphisoft's pages they say they recommend as many cores as possible:

http://www.graphisoft.hu/support/system_requirements/

Note: Processors with 4-8+ cores are recommended to fully exploit ArchiCAD 17's performance capabilities.

In the last several releases Graphisoft has made great efforts to fully utilize multi-core processors and get as much performance out of them as possible. This is especially true with AC17 where they specifically say 4-8+ cores is really recommended. Previous they only said you should use multi-core processors, which means at least 2 cores.

[Steve Jepson]

and what about now. Can ArtLantis 6 use GPU graphics card?

[Nuge]

Try Octane for archicad

http://home.otoy.com/render/octane-render/


Nuge

[Steve Jepson]

I want to know if Artlantis 6 can use GPU processing. That was not clear from what I was able to find on their website.

I don't think I need Octane. I have Maxwell Studio/Render 3.1,an older version of Artlantis Render, and of course CineRender in ArchiCAD.

[Laszlo Nagy]

I don't think Artlantis 6 uses GPU for rendering.

http://artlantis.com/en/features

If it did they would be widely publicizing it as it would be much much faster than CPU-based rendering:

http://www.gpurendering.com/technology/gpuVsCpuRendering.html

[Steve Jepson]

laszlonagy wrote:
I don't think Artlantis 6 uses GPU for rendering.

http://artlantis.com/en/features

If it did they would be widely publicizing it as it would be much much faster than CPU-based rendering:

http://www.gpurendering.com/technology/gpuVsCpuRendering.html

https://www.youtube.com/watch?v=6VHzONYfgUg

[Steve Jepson]

laszlonagy wrote:
I don't think Artlantis 6 uses GPU for rendering.

http://artlantis.com/en/features

If it did they would be widely publicizing it as it would be much much faster than CPU-based rendering:

http://www.gpurendering.com/technology/gpuVsCpuRendering.html

https://www.youtube.com/watch?v=6VHzONYfgUg

http://blenderartists.org/forum/showthread.php?346401-Maxwell-Render-on-GPU-(CUDA)

[Anonymous]

I was wondering if there was a way to utilize my GPU for 3D view?
I have fiddled around with the Nvidia control panel and all that. But still, Archicad uses 0% of my GPU

I have a GeForce 870m and it has openGL 4.5 ( thats why I baught it. I thought it would help.)

[Karl Ottenstein]

spacant wrote:
But still, Archicad uses 0% of my GPU

AFAIK, only BIMx uses the GPU. ArchiCAD itself does not:

http://helpcenter.graphisoft.com/technotes/setup/hardware-compatibility/recommended-hardware-for-gra...