Good question. That's a strange graph in general. I think most items have little to do with the node choice. From the article: > The $1.5 billion figure invol

Good question. That's a strange graph in general. I think most items have little to do with the node choice. From the article: > The $1.5 billion figure involves a complex GPU at Nvidia I think the graph shows how much it costs a company in total to design a chip at different nodes. In general, chip vendors add more functionality with each generation. That seems to be what the graph shows. The article says the graph comes from International Business Strategies. Their web page tells me to install Flash, which was enough to prevent me looking further: http://www.ibs-inc.net/#!reports http://www.ibs-inc.net/#!reports Also, someone should tell them that IBS stands for Irritable Bowel Syndrome.