I'm mine ETH and IC on video cards. For Ehterium is not so important core frequency, as memory. Therefore, the consumption of electricity is less. And it can be immediately exchanged for other altcoins on the exchange. And for IC everything is ahead.
I Think Power consumption mining intense coin normally is lower than mining ethereum.
At least for my graphic cards (1060 and 1070). It is also shown on whattomine.com.
My 1060 is 70W for cryptonight and 90 W for ethash. But it also depends on settings of the GPU.
You can also mine intensecoin with CPU.