What are the advantages of a 64-bit processor?

Question

Obviously, a 64-bit processor has a 64-bit address space, so you have more than 4 GB of RAM at your disposal. Does compiling the same program as 64-bit and running on a 64-

Answer 1

Just wanted to add a little bit of information on the pros and cons of 64-bit CPUs. https://blogs.msdn.microsoft.com/joshwil/2006/07/18/should-i-choose-to-take-advantage-of-64-bit/