UFC 152: Cub Swanson vs. Charles Oliveira, Matt Hamill vs. Roger Hollett, Michael Bisping vs. Brian Stann and Demetrious Johnson vs. Joseph Benavidez
UFC 153: Demian Maia vs. Rick Story, Phil Davis vs. Wagner Prado, Erick Silva vs. Jon Fitch, Glover Teixeira vs. Fabio Maldonado and Antonio Rodrigo Nogueira vs. Dave Herman
UFC 152's main card is star-studded, but UFC 153 has more fights. That said, it's more about quality than quantity, in most cases.
The Swanson-Oliveira and Bisping-Stann fights will be great fights. They really bolster the card in Toronto, which is sure to excite the masses.
The flyweight championship bout between Benavidez and Johnson is going to be an amazing fight. Both men are elite fighters with speed and skill, which always makes for an entertaining fights.
There are some mismatches and grinders on the main card in Brazil, which could lead to some boring fights. Or, the mismatches could lead to spectacular finishes, making highlight reels all over the MMA community.
Based on quality, as mentioned before, Toronto takes the cake.
Winner: UFC 152