RTX 4090 vs RX 7900 XT

Yes, with regards to performance, Nvidia GeForce RTX 4090 outperforms, Radeon RX 7900 XT by 40.4%.

When it comes to power efficiency, RTX 4090 falls behind with an efficiency score that is 79.9, -1.7% lower than that of RX 7900 XT 81.3. Consuming 315 watts, RX 7900 XT has better power consumption to peformance ratio. The efficiency score is calculated by comparing the benchmark score with power consumption

RTX 4090 price to performance rating is lower than RX 7900 XT's by -50.0%. Here is more in depth overview of the price and used prices of RTX 4090 Price History and RX 7900 XT Price History