Some day NVIDIA will catch up to AMD's superior tech Lanek, maybe in our life times. Intel has almost caught up to the Bulldozer, if NVIDIA works really hard and hires some of AMD's cast off engineers, they too may triumph. (by "triumph" I mean "almost catch up"- they could never be expected to equal AMD!)
Until then we'll all keep buying our 7970s and Bulldozers, and thinking about the world that might have been if AMD had any competition.
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