testing my

dell xps 14z 2640m xmrig 2 cores @  297.97 H/s @ 27 watts debian 9 server core temp @ +64.0°C

i7 4770k xmrig 4 cores @ 1000 H/s @ 70 watts ubuntu 17.04 server core temp @ +72.0°C stock fan

e5 2660 xmrig 10 cores @ 1600 H/s @ 120 watts ubuntu 17.04 server core temp @ +37.0°C deep cool fan

H/s based on xmrig accepted rate

actual power usage test by power meter.