With Stock settings win10 x64:

EVGA GTX 1070
[2017-10-06 14:53:01] GPU#1:EVGA GTX 1070, 3106.90kH/s
[2017-10-06 14:53:01] GPU#1:EVGA GTX 1070, 0.025MH/W, 0.0017MH/Mhz
[2017-10-06 14:53:01] GPU#1:EVGA GTX 1070, 69C(F:49%) 1826/3802MHz(122W)

KFA2 gtx 1080
[2017-10-06 14:54:04] GPU#2:GeForce GTX 1080, 3820.32kH/s
[2017-10-06 14:54:04] GPU#2:GeForce GTX 1080, 0.02MH/W, 0.0021MH/Mhz
[2017-10-06 14:54:04] GPU#2:GeForce GTX 1080, 81C(F:78%) 1859/4513MHz(188W)