I seriously doubt this is true, though I also couldn't find any readily available sources that seem credible. The closest seems to be a DIY comparison by Puget

I seriously doubt this is true, though I also couldn't find any readily available sources that seem credible. The closest seems to be a DIY comparison by Puget Systems[1]. A computer drawing 1000W is losing some energy to light and sound, but the vast majority is heat. [1] https://www.pugetsystems.com/labs/articles/gaming-pc-vs-space-heater-efficiency-511/ https://www.pugetsystems.com/labs/articles/gaming-pc-vs-spac...