Hi, I think it is profitable on eth, but at the moment the biggest returns are on Zcash and Lyra2REv2 algorithms. I recently created a post about installing a mining rig on those cards. https://steemit.com/mining/@kegby/1-guide-building-first-mining-rig-evga-sc-black-edition-1080ti-asus-prime-z270-a-mining-zcash-or-lbry