Yes, with regards to performance, Nvidia GeForce RTX 4080 outperforms, TITAN V Volta by 112.0%.
The RTX 4080 is more energy-efficient considering its peformance, consuming 320 watts to produce 3DMark score of 28063. By comparing its benchmark score to its power consumption, we get an efficiency score of 87.7. TITAN V Volta's efficiency score is 52.9, 65.6% lower, making RTX 4080 the smarter choice in terms of power consumption.
When considering value for money, RTX 4080 offers a better deal than, TITAN V Volta by 62.5%. Here is more in depth overview of the price and used prices of RTX 4080 Price History and TITAN V Volta Price History