5x 1060 6gb Algo Ethashb3 Rethereum Teamblackminer 101 MHS vs Rigelminer 115 MHS
Perhaps the autotuning didn't work for your ancient card. Please try to run with --kernel 1 --xintensity 512 and increase the power
TBM supports kernel 1-16 for the ETHB3 algo. The fastest can vary from GPU to GPU and Power setting.