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by ssawyer06
4689 days ago
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The speed of light isn't directly why commercially available CPUs stopped getting faster (in terms of clock speed). That's more related to the fact that the increased transistor density and thinner gates (with more leakage) have pushed power dissipation to its limits. If we clock any faster, the CPU will burn up. That's why you can overclock if you use liquid cooling, for example. That said, I'm sure there are fundamental limits to transistor clock speeds imposed by the speed of light. It's just not why CPUs stopped scaling around 2-4 GHz. |
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