That fact that you guys can't seem to see the sheer difference in portrayal of Roger in comparison to Mihawk is pretty funny.
Oden > Vista and Roger effortlessly dealt with him to get to Whitebeard. But Mihawk who couldn't effortlessly deal with Vista to get to Luffy, is somehow above Roger....
Oden > Vista and Roger effortlessly dealt with him to get to Whitebeard. But Mihawk who couldn't effortlessly deal with Vista to get to Luffy, is somehow above Roger....

Roger is a dead character and at no point has Oda selected him as peak of power in OP.
Mihawk is a young character whose time is coming, when Zoro is at his strongest.
Roger wont be able to hold the candle to either of them. How can you miss such an obvious thing?