The World Cup tournament is longer and contains more matches and teams than the Summer Games. To compare, the 2018 World Cup consisted of 32 national teams and a total of 64 matches. At the 2016 Summer Games, there were 16 teams and 32 matches.
The other big difference between the two events is the age limit for the Summer Games tournament. The Summer Games regulations require players to be under 23 years of age, with each team allowed three overage players.