I currently run 2 of these xeon CPUs in my server. When I specced it out I was looking at about $300/year of energy usage and that was running at like 50% capacity daily. The thing has half the cores disabled because I currently don't need that much compute and the only thing running on it daily is TrueNAS. It has ran multiple game servers and labs in the past few months and still doesn't use that much compute. Really just depends what you're doing with it.