Yes, with regards to performance, Nvidia GeForce GTX 1080 Ti outperforms, GeForce RTX 2060 SUPER by 6.3%.
When it comes to power efficiency, GTX 1080 Ti falls behind with an efficiency score that is 37.3, -25.6% lower than that of RTX 2060 SUPER 50.2. Consuming 175 watts, RTX 2060 SUPER has better power consumption to peformance ratio. The efficiency score is calculated by comparing the benchmark score with power consumption
GTX 1080 Ti price to performance rating is lower than RTX 2060 SUPER's by -158.3%. Here is more in depth overview of the price and used prices of GTX 1080 Ti Price History and RTX 2060 SUPER Price History