No, in terms of performance, Nvidia GeForce RTX 2060 SUPER is slower than AMD Radeon RX 6600 XT. AMD Radeon RX 6600 XT outperformes Nvidia GeForce RTX 2060 SUPER by 10.5% in 3Dmark benchmark.
When it comes to power efficiency, RTX 2060 SUPER falls behind with an efficiency score that is 50, lower than that of RX 6600 XT 61. Consuming 160 watts, RX 6600 XT has 22.0% better power consumption to performance ratio. The efficiency score is calculated by comparing the benchmark score with power consumption
When considering value for money, RTX 2060 SUPER offers a better deal than, Radeon RX 6600 XT by 23.5%.