No, in terms of performance, Nvidia GeForce RTX 2080 SUPER is slower than, AMD Radeon RX 6700 XT by -10.1%.
When it comes to power efficiency, RTX 2080 SUPER falls behind with an efficiency score that is 46.5, -16.5% lower than that of RX 6700 XT 55.7. Consuming 230 watts, RX 6700 XT has better power consumption to peformance ratio. The efficiency score is calculated by comparing the benchmark score with power consumption
RTX 2080 SUPER price to performance rating is lower than RX 6700 XT's by -72.7%. Here is more in depth overview of the price and used prices of RTX 2080 SUPER Price History and RX 6700 XT Price History