This thread is to compare rendered image times and quality of any render engines. This is not a place for opinion or arguments. If you want to prove render engine x is better or faster post images comparing the two with the same scene to prove the speed and quality. If something seems off in the images posted from what it should be share knowledge and scenes to try to get the images as alike as possible. Please also make sure to have all denoisers off. They make it harder to see grain and compare the real quality of the raw output of the render engines.
Some tips to match scene in different render engines.
- Lighting makes a huge difference in render time. This makes HDRI or area lights the most ideal way to match the lighting exactly.
- Colors of materials can render as different colors. When matching images the colors might have to be changed to get them to match right. For example the exact RGB of 120,156,186 might need to be something else for a different render engine.
- If the render engine has any filter try to have them all turned off. The filters could be the cause of the colors looking different. Here we are interested in stuff being the same not it looking pretty with filters.
It’s super hard to get render engines to be exactly the same. Good skill to all.
I’ll kick things off by copy pasting some tests I did from another post.
Done on 1x RTX 2070 super
Here is a link to the scene download. lacilaci86 is the one that directed me to it.
Here is the way to connect octane nodes for hdri if someone is having trouble. Make sure to have gamma at 1 not 2.2 like is default.
Room samples and bounces are same in both pictures.
Cycles RTX on, not eCycles
Octane RTX on
I don’t have eCycles to compare, but eCycles should be able to do a more than 2x speedup depending on settings.
Same scene different hdri. Link to hdri
Same bounces and samples. Gray values of materials on scene are exact same value as well.
Cycles RTX on
Octane RTX on
Prorender, 1x RTX 2070 super
Link to scene and comparisons.
Edit: updated HDRI setup picture so it is right.
Edit2: added prorender for hdri2