I agree, deeply.
YEah a Titan on the Nvidia page gets over 50K Score on 3DMarkVantage on Performance settings. That's 4K more then 690, and the the Titan is supposed to OC better then the 690.
What we DO know is the 7661 is bringing AMD back into the picture, but thankfully, not ahead of Nvidia.
A 580 and 7970 are pretty even.