GTX 1080 vs RX 5500 XT

Yes, with regards to performance, Nvidia GeForce GTX 1080 outperforms, Radeon RX 5500 XT by 55.9%.

The GTX 1080 is more energy-efficient considering its peformance, consuming 180 watts to produce 3DMark score of 7570. By comparing its benchmark score to its power consumption, we get an efficiency score of 42.1. RX 5500 XT's efficiency score is 37.4, 12.6% lower, making GTX 1080 the smarter choice in terms of power consumption.

GTX 1080 price to performance rating is lower than RX 5500 XT's by -100.0%. Here is more in depth overview of the price and used prices of GTX 1080 Price History and RX 5500 XT Price History