It also has the longest ROI of any new card:
1080Ti on ZEC - 195 days
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1060 3GB on ZEC - 165 days
Price from the site nvidia:
1080 Ti - $699 : 195 days = 3.58
1060 - $299 : 165 days = 1.81
1080 Ti need only 1 extra month after payback that to circumvent younger model in the effectiveness. Already at 255 days, she can earn for you 2 times more money (unless of course it all not fall apart). Moreover, who then will need trash (1050/1060 and partly 1070), with the advent of Nvidia Ampere?