Originally Posted by K007
Seems to me this proves the 680 was a repurposed 670 from the start. Now you know why you can't find a 680 in stock.
Yields are probably crap on a full SP product, hence the poor availability of the 680. If the 670 performs the same but costs less and uses all the rejected chips with 1 unit disabled....I'd say nV have a big win on their hands.