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If your choosing between them then the 1070 is a no brainer. If you already have a 980ti then a 1080 is a better upgrade.then
I don't get that!!! Why condone a worthless upgrade!
980Ti > 1070 is a side grade at best, I don't even feel that the 1080 is a worth while upgrade let alone the the 1070, 1080Ti or bust imo.
Is it worth the change from a AMP Extreme zotac till a 1070 ?

980Ti > 1070 is a side grade at best, I don't even feel that the 1080 is a worth while upgrade let alone the the 1070, 1080Ti or bust imo.