The cache game has deeper stacks, the stack size can be kept constant, more room for maneuver, and the game is more thoughtful and less risky. You increase or lose your bankroll by playing each hand.
In tournaments, the stack size is constantly decreasing, you need to constantly act so that the blinds do not destroy your stack. There are times when you need to play more tight, there is a period when you can open almost any two cards. You can win a large amount, but you need to play many hours of continuous play, and if you lose, you lose only one buy-in.