The Premier League is the top professional football league in England, consisting of 20 teams that compete against each other over the course of a season. Each team plays a total of 38 matches, with three points awarded for a win, one point for a draw, and no points for a loss. The team with the most points at the end of the season is crowned the Premier League champion, while the bottom three teams are relegated to a lower division.

On the other hand, the Champions League is a competition between the top club teams from across Europe. Each country is allocated a certain number of spots in the competition based on the strength of their league, with the Premier League usually receiving four spots. The Champions League consists of a group stage followed by knockout rounds, with the winner being crowned the best club team in Europe for that year.

So, while the Premier League is a domestic league consisting only of English teams, the Champions League is an international competition featuring the best teams from across Europe. While both competitions are highly prestigious, the Champions League is often considered the more prestigious of the two, as it involves the top teams from multiple countries competing against each other.

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