This is a hard one. These are the things you have to compare and who we think wins in the end.
1. The mountains
Cape Town (1)
San Francisco (0)
2. The ocean
Cape Town (0)
San Francisco (1)
3. The wine
Cape Town (1)
San Francisco (0)
4. The attractions
Cape Town (0)
San Francisco (1)
5. The culture
Cape Town (1)
San Francisco (0)
Cape Town - 3
San Francisco - 2
Cape Town is just a bit more colorful, vibrant and exotic than San Fran and for that reason comes out the winner. Both cities really rock! We love them both and would live in either one any time of the day.