No, in terms of performance, Nvidia GeForce RTX 2080 is slower than, AMD Radeon RX 6950 XT by -97.2%.
When it comes to power efficiency, RTX 2080 falls behind with an efficiency score that is 44.4, -32.1% lower than that of RX 6950 XT 65.3. Consuming 335 watts, RX 6950 XT has better power consumption to peformance ratio. The efficiency score is calculated by comparing the benchmark score with power consumption
When considering value for money, RTX 2080 offers a better deal than, Radeon RX 6950 XT by 26.3%. Here is more in depth overview of the price and used prices of RTX 2080 Price History and RX 6950 XT Price History