How to enhance material display?

Question

When I was rendering a model after giving materials, I found that the material display of the final output is not uniform, I used "ray traced" option in rendering with material "blue metallic paint" in default enivironment.

Answer 1

Hi,

could u be specific, did you use 'True shading editor or High quality image'  tool

Answer 2

i used high quality image. but it have this problem..