TechPowerUp reviewed the ASRock Radeon RX 6900 XT OC Formula
A quote from the article:
The ASRock Radeon RX 6900 XT OC Formula is built using AMD's new Navi 21 XTXH chip, which runs much higher clocks than what the regular RX 6900 XT can achieve. In our testing this is the first AMD card in a long time to beat NVIDIA's current-generation flagship, the RTX 3090.ASRock Radeon RX 6900 XT OC Formula Review