Chinese testers note that the new GA106-302 chips featuring the LHR limiter included with the new RTX 3060 cards provides the same gaming performance as the original versions, but effectively halves the Ethereum mining performance in half. The same is apparently true for the upcoming RTX 3080 Ti cards.
https://www.notebookcheck.net/Initial-tests-prove-the-efficiency-of-the-LHR-mining-limiter-on-the-new-Nvidia-RTX-3060-and-RTX-3080-Ti-SKUs.541558.0.html