Yes, with regards to performance, Nvidia GeForce GTX 1060 5GB outperforms, GeForce GTX 970 by 7.1%.
The GTX 1060 5GB is more energy-efficient considering its peformance, consuming 120 watts to produce 3DMark score of 3908. By comparing its benchmark score to its power consumption, we get an efficiency score of 32.6. GTX 970's efficiency score is 25.2, 29.4% lower, making GTX 1060 5GB the smarter choice in terms of power consumption.
When considering value for money, GTX 1060 5GB offers a better deal than, GeForce GTX 970 by 11.1%. Here is more in depth overview of the price and used prices of GTX 1060 5GB Price History and GTX 970 Price History