Not really.Absolutely the 3gb 1060, its quite a bit faster than the 970
Below you can see results from 3D Mark Firestrike Extreme.
Card 1 (LEFT): Overclocked GTX 1060 6GB @ 1.8GHz (OC'D 6700K, HT ON)= Graphics Score 13215
Card 2 (RIGHT): Stock GTX 780TI 3GB (4770K@Stock, HT OFF)= Graphics Score 13277
http://imgur.com/dHGthAv
Physics score is much less on the 4770k rig bc stock and HT off. 3d Mark Physics score greatly benefits from hyperthreading.