Claymore 5.0

6 x msi RX 470 8gb core clock 1300 Mhz  720-730 H/s    power wall  645 Watt
6 x msi RX 480 8gb core clock 1175 Mhz  710-720 H/s    power wall  860 Watt

470 better??? when I increase 480 core clock, hash rising up to 750-760...but wattage also  1100 Watt...