Unicode - Unicode vs UTF-8

Well, they can't be compare. Because unicode is a single character set that match a number for every character in the world written system. UTF-8, in another hand, is an encoding algorithm to store the unicode number on disk. There are many encoding algorithm beside UTF-8, ie ASCII, EBCDIC, etc.., but, there is only one Unicode system for all these encoding algorithm.

I really like the following posts that tell us about Unicode and UTF-8

http://rrn.dk/the-difference-between-utf-8-and-unicode

http://www.joelonsoftware.com/articles/Unicode.html

Some list of unicode code page

http://unicode-table.com/en/
http://en.wikipedia.org/wiki/List_of_Unicode_characters