The existing cards are all still being built on the 28nm process, which has been in use for over 3 years now. Delays and problems have kept the graphics cards from being built on modern process nodes for the last 1.5 years. The next set of cards due out in the first half of 2016 are going to be using 16nm FinFet. The current high end graphics card from Nvidia, Titan X, has 8 million transistors in it. The next generation cards have been leaked to have 17 million transistors. Transistor count has in the past almost always been associated very closely with performance. We are really looking at the next generation of graphics cards having at least double the performance of the current generation, which is something that hasn't happened in about 7 years.