The University of Sydney and the University of Melbourne are both one of the most famous higher education institutions in Australia, and both universities enjoy a high reputation and academic level. But determining which university is better is a subjective problem, because it depends on many factors, such as your interests, goals, professional preferences and so on.

First, let's consider the University of Sydney. Located in one of the most prosperous cities in Australia, this university has a beautiful campus and first-class facilities. The University of Sydney enjoys a high reputation in many fields, including medicine, law, business, engineering and so on. If you are interested in these fields, then the University of Sydney may be a good choice.

Next, let's look at the University of Melbourne. Melbourne University is also a famous university, located in the cultural center of Australia. This university enjoys a high reputation in the fields of humanities, social sciences and natural sciences. If you are interested in these fields, then the University of Melbourne may be more suitable for you.

Besides academic reputation, you need to consider other factors, such as the cost of living, cultural atmosphere, convenient transportation and so on. These factors are equally important when choosing a university.

Generally speaking, the University of Sydney and the University of Melbourne are excellent universities, and which one you choose depends on your personal interests and goals. I suggest you do more research, understand the courses, campuses, student life and so on of each university, and then make the decision that suits you best.