The above graph compares IMDB user ratings and RT critics ratings out of 10 for Best Picture oscar award winners and Palm d'Or winners each year from 1975 to 2017. Where there are more than 1 Palm winners, an average rating of the films is taken.

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As expected, Best Picture and Palm d'or winners tend to have strong IMDB ratings and rarely dip below 7 which is a strong rating on IMDB. While there is a lot of parity between the two, Oscar winning movies tend to have an edge on IMDB ratings. This was particularly true from the mid 80s to the early 90s and from the early 2000s to the early 2010s.

There is more fluctuation in critics ratings with movies more likely to get 9's and below 7 compared with viewers ratings. Best Picture winners tend to be a more noticeable edge over Palm winners when comparing critics ratings than viewers ratings from IMDB. There was a notable exception to this in the mid 90s when Palm winners were more critically acclaimed than Best Picture winners. In 1994, the Palm D'or winner was Pulp Fiction which was considerably more acclaimed than Forrest Gump which win Best Picture that year.