Crypto Mining GPU Connected To Monitor Will Not Under volt, pulls more power experiment HiveOS

I've noticed for a while now that GPU's connected to monitors draw more power. When you are trying to lower the core voltage you might notice they cards will crash faster. In my case with the monitor connected I could not go below 725 millivolts. With the monitor disconnected I could get down to 695 millivolts . The experiment was a success
Power Meter In This Video
https://www.amazon.com/gp/product/B07HCPZ2GC/ref=as_li_tl?ie=UTF8&tag=fintechcomm0f-20&camp=1789&creative=9325&linkCode=as2&creativeASIN=B07HCPZ2GC&linkId=0e0b9d46e1d78df39af56a6dcee323a0