A bit more bumph on the 70/30% manufacturing, I'm posting because of the side links on the article some ip5s n 6 leaks, might be considered worth looking at.
http://www.uswitch.com/mobiles/news/2013/03/samsung_galaxy_s4_snapdragon_quad_core_processor/
http://www.uswitch.com/mobiles/news/2013/03/samsung_galaxy_s4_snapdragon_quad_core_processor/