Yes, with regards to performance, Nvidia GeForce RTX 2070 SUPER outperforms, Radeon RX 6650 XT by 1.5%.
When it comes to power efficiency, RTX 2070 SUPER falls behind with an efficiency score that is 47.4, -16.9% lower than that of RX 6650 XT 57.0. Consuming 176 watts, RX 6650 XT has better power consumption to peformance ratio. The efficiency score is calculated by comparing the benchmark score with power consumption
RTX 2070 SUPER price to performance rating is lower than RX 6650 XT's by -166.7%. Here is more in depth overview of the price and used prices of RTX 2070 SUPER Price History and RX 6650 XT Price History