When comparing Luxrender vs Renderman, the Slant community recommends Renderman for most people. In the question“What are the best renderers?” Renderman is ranked 5th while Luxrender is ranked 6th.
Ranked in these QuestionsQuestion Ranking
Pro Physically accurate
Uses a variety of algorithms, including Path Tracing, to generate physically correct images.
Pro GPU + CPU hybrid rendering
this engine supports both CUDA and OpenCL rendering.
Pro Realtime Post Processing
Pro Free and Open Source
Pro Fast, physically correct caustics
Thanks to Bidirectional Path Tracing and SPPM
Pro Multiple rendering algorithms to chose from
Included in its arsenal are:
- Path Tracing
*Bidirectional Path Tracing
*Non Progressive Path Tracing
*Stochastic Progressive Photon Mapping
Pro Production proven
Pro Support for Blender
Pro XPU CPU/GPU hybrid renderer
New in version 24. Very fast but not yet feature complete.
Pro Highly flexible
Pro Hollywood standard since the 1990's
Hugely versatile as for every shader can be written in code thus it is extremely fast and complex.
Pro Physically based rendering
RIS and XPU.
Pro Wide feature set
Pro Real-time rendering support
Using interactive rendering RIS/XPU.
Reyes was removed in version 21.
Con Very steep learning curve
Users must have a complete understanding of C++ programming to make their own materials.