You can’t compare these 2 technologies like you’d compare 2 renderman renderers or maya-software-render and mental-ray. with a lot of objects and shaders and so on, renderman will still be fast, while mental ray will be crawling, at best… if you compare 2 simple scenes without raytracing, I can bet renderman is going to be faster. if you compare 2 simple scenes and add raytracing, yes, mental ray is probably going to be faster. Renderman is not fast with motion blur (and depth of field) and displacement only, it’s especially fast with heavy scenes, it renders NURBS as pixels and it tesselates subdivisions very efficiently, so extremely heavy scenes, with a lot of geometry, textures, lights (but not shadows, shadows seem to be kind’a slow), and ideally without raytracing… render very fast, where mental ray would probably take forever.
Following are the comments from the old blog But that was to be expected.Īnyway before I drift into an endless monologue I better stop. …which of course took it apart and missed the point completely.
People where interested, when I showed them this comparison and therefor, I made it available to a wider audience. And I published this test to give some people hints about what to use when, as this is still a very often asked question, even more so with the new RfM plugin. It might be faster then Renderman.īut when you need fast Displacements and/or Motion Blur, stay away from MentalRay and use Renderman (or blur in post when the scene allows it). Need heavy GI and Reflections, but the scene is relatively static or doesn’t need Motion Blur for some reason? Hell, go with MentalRay any time! Even try it out on scenes without Raytracing. No, MentalRay is not the big daddy of all renderers. It is a test to see when it makes sense to use which renderer. How about this, we render the GI pass and maybe some reflections in MentalRay and then use this pass in Renderman, where we give is nice and fast Motion Blur?Īs I said before: This is not a “My toy better then your toy!” comparison. Still considerably faster then MentalRay. This time I even increased the sampling, so the Motion Blur is more smooth then before.
#RENDERMAN VS MENTAL RAY HOW TO#
But I am sure some MentalRay user will point me in the right direction how to get rid of them after reading this.Īnd here is again a Renderman version for direct comparison. But 19 minutes is still kind of slow in my book, especially with these artifacts Rapid Motion Blur introduced.
Well, yes, I give you that Rapid Motion Blur is faster.
#RENDERMAN VS MENTAL RAY UPDATE#
Renderman vs MentalRay Comparison - Updateĭate: 29.Jun 2006 | Reading Time: 7 minutes, 38 secondsĪs so many people from the MentalRay community seem to have a big problem with my motion blur test - and only that is seems, they don’t even see the parts, where I said good things about MentalRay - here is a small update with new images and the supposedly faster Rapid Motion Blur of MentalRay.
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