I got 155 sols/s with Nvidia GTX 980 ref card / win 10 64bit / nvidia driver 375.63 and the latest Nicehash Miner v1.0.2d
Power draw at the wall 180 watts for the whole system.
Trying get cpu (i7-5960x) mining working on the same pc , i got a error , for each core : "Unable to alloc locked pages (err=1314)" , but hashing speed increasing with 30-35 sols/s using 8 cores... power draw at the wall going up to 258 watts / us 120volt