You may want to make a custom sprite material with a sampler and you should know the differences between the options.
Stock sprite material - it looks fine but the stock sprite material doesn’t have a sampler so it has issues with 3d rotation.
Stock sprite material modified to add a linear sampler.
Stock sprite material modified to add a nearest neighbor sampler.
Stock sprite material modified to add linear sample with linear linear mipmap.
Stock sprite material modified to add linear sample with nearest linear mipmap.
filter-mode-min-linear-mipmap-linear wins for me for non-pixel art based on these tests.
