Here are some tips to obtain the best results:
1. Decrease the size of your ground plane. you can also scale down your model
2. Decrease the material roughness, and glossy samples
3. Make diffuse transmission black (for Advanced material)
4. Decrease unnecessary resolution and DPI value
5. Use your real-time settings as guideline (see tutorial lesson #9)
6. Animation and VR will require multiple images to be rendered. A high performance (20+ cores) can be a good investment. You may also consider our network rendering software.