I'm not sure I follow? How could they be much more efficient? They turn electricity into heat so pretty much 100% efficiency and a CPU turns electricity into heat and a small amount of computation occurs as a side effect. So all electricity into a computer becomes heat aside from a tiny fraction for the motion of fans etc which heaters also usually have.
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I'm not sure I follow? How could they be much more efficient? They turn electricity into heat so pretty much 100% efficiency and a CPU turns electricity into heat and a small amount of computation occurs as a side effect. So all electricity into a computer becomes heat aside from a tiny fraction for the motion of fans etc which heaters also usually have.