If you search the DAZ Studio log file for the term "NVidia Iray GPUs" you will find the information about your system and installed video cards. The log file then should pop up like this: Help -> Troubleshooting -> View Log File. There are two different "logs" that you can check when you want to know how much VRAM is available to use for rendering with DAZ Studio Iray.ĭAZ Studio creates an official log file that you can access Where can you find information about VRAM directly in DAZ Studio without using 3rd party applications? This means your video card will not be used at all and rendering will be much slower. If the available VRAM is not large enough to fit all textures and geometry then Nvidia Iray will switch from GPU mode to CPU mode. What happens when you do not have enough VRAM to fit the scene? This memory is called Video RAM or short VRAM.
When you render with your video card (aka GPU - Graphics Processing Unit) all the geometry and textures of objects in your scene need to be loaded in the memory of the video card. What is VRAM and why does it matter when rendering with DAZ Studio Iray? <.Quick Guide - Finding information about VRAM directly in DAZ Studio Otherwise your options are exporting to Blender and using Blender Cycles to render. It is a great resource for making purchase decisions for Iray. There are all kinds of benchmarks across Nvidia hardware, and even some CPUs are on there. You can always check out the Iray benchmark thread to get an idea of how different hardware stacks up. Even modest GPUs from two generations ago are still faster than the newest and most expensive desktop CPUs when it comes to rendering Iray. But Iray is designed around GPUs, and it horribly slow on even the fastest CPUs.
Iray's CPU fallback is thanks to Intel Embree. Daz Iray is actually a bit of an exception, in fact other Iray plugins (outside of Daz) may not have a CPU fallback mode.
CUDA is quite popular in the 3D world, so you will see it used in a lot of programs. Most CUDA based render engines do not even offer a CPU rendering mode.
If they are based on CUDA then you will need a Nvidia GPU. If you see other render engines out there pay attention to if they are based on CUDA or not. Of course this would require patience and time. Then when the GPU market finally dies down you can use that to buy a pretty decent Nvidia GPU for Iray. With the market the way that it is, you might even make money on such a transaction. It is extremely important to do some research before making such purchase decisions.īut you can at least sell you AMD GPU right now and get a lot back for it.
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