As shown in the poker hand rankings chart, the order of poker rankings (from the highest to the lowest) is: Royal Flush, Straight Flush, Four-of-a-Kind, Full House, Flush, Straight, Three-of-a-Kind, Two Pair, One Pair, High Card.
Royal Poker is almost the same as Hold'em Poker goes as far a procedure goes: Preflop , Flop , Turn and River. However games are 6 handed in Royal and the only cards that are used in Royal are 10's , Jacks , Queen's , Kings and Aces of all four suites.