this post was submitted on 14 Jul 2024
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Great question! I actually don't really have an official source, it's from my own experience.
I run ComfyUI locally on my own Laptop and generating an image takes 4 seconds, during which my 3070 Laptop GPU uses 80 Watts (the maximum amount of power it can use). It also fully uses one of the 16 threads of my i7-11800H (TDP of 45W). Let's overestimate a bit and say it uses 100% of the CPU (even though in reality it's only 6.25%), which adds 45 watts resulting in 125 watts (or 83 watts if you account for the fact that it only uses one thread).
That's 125 watts for 4 seconds for one image, or about 0.139 WH (0.000139KWH). That would be 7200 images per KWH. Playing one hour of Cyberpunk on a PS5 would be equivalent to me generating 1440 images on my laptop
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