Even with rendering scale set to 200 there is no difference on character models.
http://screenshotcomparison.com/comparison/211677
Maybe it doesn't work past a certain resolution?
As for that article I used the pictures they provided and background resolution is definitely affected
http://screenshotcomparison.com/comparison/211685
http://screenshotcomparison.com/comparison/211677
Maybe it doesn't work past a certain resolution?
As for that article I used the pictures they provided and background resolution is definitely affected
http://screenshotcomparison.com/comparison/211685