How to compare binary files to check if they are the same?

Question

What is the easiest way (using a graphical tool or command line on Ubuntu Linux) to know if two binary files are the same or not (except for the time stamps)? I do not need

Answer 1

You can use MD5 hash function to check if two files are the same, with this you can not see the differences in a low level, but is a quick way to compare two files.

md5 
md5 

If both MD5 hashes (the command output) are the same, then, the two files are not different.