Set a lower clock speed, underclock and power limit in the Claymore bat/config e.g.
-cclock 1150,1150,1150,1150,1150
-mclock 2000,2000,2000,1900,2000
-powlim -10,-10,-10,-13,-15,-5
-cvddc 950,925,925,900,950
-mvddc 950,925,925,900,950
or use OverdriveNtool to create profiles for your cards as explained on
www.mining.help.
Just for my knowledge why do you set different power limit for same cclock/mclock/cvddc/mvddc?