Poker Rules - Tie in poker means when two or more hand ranks are equal The suit never comes into play i.e. a seven High Straight Flush of Diamonds will split Four Aces beats any other four of a kind, four Kings beats four queens or less.
An ace - high straight flush is called a royal flush and it cannot be beaten. The only time it ties is when all 5 cards to the royal flush, i.e. A♥ K♥ Q♥ J♥ 10♥, are on.
A hand in which the highest ranking card is an ace with no pair or higher valued combination of cards possible. E.g., in hold'em if one's hole cards are.