Actually, Rhyperior does this still better.
With a spread of 172 Atk/84 Sdef /252 Spe, he reaches the same Atk and Speed stat as Rhydon. While having 108 Def and 27 SDef less, Rhyperior benefits from 20 HP more, leftovers recovery and Solid rock.
Against super effective hits, Solid rock causes...