GTX 1080 vs RX 6500 XT

Yes, with regards to performance, Nvidia GeForce GTX 1080 outperforms, Radeon RX 6500 XT by 52.2%.

When it comes to power efficiency, GTX 1080 falls behind with an efficiency score that is 42.1, -9.5% lower than that of RX 6500 XT 46.5. Consuming 107 watts, RX 6500 XT has better power consumption to peformance ratio. The efficiency score is calculated by comparing the benchmark score with power consumption

GTX 1080 price to performance rating is lower than RX 6500 XT's by -83.3%. Here is more in depth overview of the price and used prices of GTX 1080 Price History and RX 6500 XT Price History