Neckbreaker and AMD is usually refered to as economics. And since RV670 is basicly a R600 with half the bus you should eb able to put 2 and 2 together.
GDDR5 will be cheap enough for the cards needing it. And its cheaper than going 512bit. AMD went 512->256bit. nVidia went 384->256bit. Notice the trend?
Bookmarks