Ethereum yes, temp at most 77 for a peak otherwise it keeps around 64-68C with max fan speed at 51% when it hits over 72C for those few short times. At the moment only Crimson but with Afterburn it is the same.
Currently not even undervolting but keeps a bit cooler it I does.
Have you modified the bios? if Yes please mention the details as currently my card has stock bios and what is your room temp, my room temp is around 25c to 30c night and in night it is hitting 83c mostly and i am using afterburner with it.