RTX 4080 vs RX 6650 XT

Yes, with regards to performance, Nvidia GeForce RTX 4080 outperforms, Radeon RX 6650 XT by 179.9%.

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. RX 6650 XT's efficiency score is 57.0, 53.9% lower, making RTX 4080 the smarter choice in terms of power consumption.

RTX 4080 price to performance rating is lower than RX 6650 XT's by -53.8%. Here is more in depth overview of the price and used prices of RTX 4080 Price History and RX 6650 XT Price History