They have loaded them with an adequate 12GB memory so for ETH they should be good!
https://www.nvidia.com/en-us/geforce/graphics-cards/30-series/rtx-3060-3060ti/
Still to this day haven't had any issues mining with my 3090s...
I'm more curious about the soon to be released standard RTX 3060 (Non TI version) since these are going to have 12GB of Memory built in.
The news says that February 25 will be the start date of sales, but if these video cards show a good result in mining, they will not reach stores
RTX3060 test in a laptop, 38 MH. Weak hashrate.
RTX3060 in laptop and discrete RTX3060 showed approximately the same results