Which one is better for keeping sync itunes in iphone compatible or old ibook?

For me iphone is for better than 2005 iBook G4 OS X 10.4.11. In iphone I am able to sync my itunes to the phone but in ibook only 9 songs can be sync for which I need intel based processor. So I want to know that can be sync for 10 itunes in my Ibook G4 OS X.