This is a massive jump in feature size from the previous generation's 28nm planar transistors, though it's not clear how much of a difference there is between Samsung's 14nm FinFET and TSMC's 16nm FinFET. Getting into the particulars of the GPU, the Polaris 10 at the heart of the RX 480 uses Samsung's 14nm FinFET technology, licensed to GlobalFoundries. Not surprisingly, the GTX 1080's affordable sibling, the GTX 1070, is in a similar state: it's an awesome card that's currently difficult to buy, particularly at anything close to the $380-$450 suggested price range (though Newegg apparently has a few cards listed as being in stock as I write this, so supply may be improving a bit). Dropping down from the stratosphere, the new GTX 1080 looks affordable by comparison, sporting a GP104 chip and delivering better-than-Titan X performance at a suggested price of $600-$700-too bad it remains out of stock (or severely overpriced) at most places. The GP100 represents the pinnacle of GPUs, with an estimated price per Tesla module of $12,000 (give or take). To recap, Nvidia has their supercomputing Tesla P100 with the GP100 GPU-not something you can currently buy as an individual graphics card, though that's coming later this year, but it's a monster of a chip for those that need it (read: not gamers for the time being).
2016 is shaping up to be the year of the GPU, with major advancements coming from all corners and at all prices.
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