> The solution to it is to just have hardware that does the calculation multiple times to ensure a bit didn't get switched, the result that comes up most often is assumed to be the correct one.

So we have to do the same calculation multiple times, effectively negating any gains coming from smaller transistors? Or even counting the additional calculations, it's still worth it? I assume the latter, since we're still doing it.

> We can clearly see this as a CPU from 2008 (I7 920) and a CPU from 2022 (I7 13900k) have almost 100x difference in amount of transistors, yet the 13900k is "only" 5-10x faster.

Ah, there's the answer. Thanks.