The estimated total Bill of Materials (BOM) for the Note 3 is $232.5, with the most going out to the $61 display assembly package and the $49.5 chipset. Selling it north of $600 commands Apple-like profit margins for Samsung, though we'd have to add R&D plus selling, general and administrative costs, too, which with Samsung's marketing budget might amount to "just" a hundred percent margin for each Note 3 sold...
Source: http://www.phonearena.com/news/Galaxy-Note-3-teardown-reveals-232-bill-of-materials-new-Wacom-digitizer_id47933
Source: http://www.phonearena.com/news/Galaxy-Note-3-teardown-reveals-232-bill-of-materials-new-Wacom-digitizer_id47933