Which is better scrum master or project manager?

Related questions

1. Does a scrum master need to be technical?
2. How long does it take to become a certified Scrum Master?
3. How much does a scrum master make?
4. What does a scrum master make?
5. How much does Scrum Master certification cost?
6. What is a Certified Scrum Master?
7. What is the cost of CSM certification?
8. Is a scrum master a manager?
9. Can a tester be a Scrum Master?
10. Is a scrum master a product manager?

Tags

1. #objectives
2. #objective
3. #maximizing
4. #product
5. #project
6. #maximize
7. #scrum
8. #master
9. #owner
10. #meeting
11. #value
12. #difference
13. #closest
14. #responsible
15. #manager
16. #sweet
17. #between
18. #comes
19. #should
20. #within
21. #there