power consumption of nvidia 10*0 cards are not that great either:
http://www.guru3d.com/articles_pages/msi_geforce_gtx_1070_gaming_x_review,8.html
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Measured Power Consumption
Mind you, the system wattage is measured at the wall socket side and there are other variables like PSU power efficiency. So this is an estimated value, albeit a very good one. Below, a chart of relative power consumption. Again, the Wattage shown is the card with the GPU(s) stressed 100%, showing only the peak GPU power draw, not the power consumption of the entire PC and not the average gaming power consumption.
Mind you, the system wattage is measured at the wall socket side and there are other variables like PSU power efficiency. So this is an estimated value, albeit a very good one. Below, a chart of relative power consumption. Again, the Wattage shown is the card with the GPU(s) stressed 100%, showing only the peak GPU power draw, not the power consumption of the entire PC and not the average gaming power consumption.
http://www.guru3d.com/articles_pages/msi_geforce_gtx_1070_gaming_x_review,8.html