>All that is for a physical computer and CPU. Now imagine (maybe you don't have to ;)) that your Windows computers are virtualized, so there's the hypervisor and underlying host OS adding further complication.
>
>Benchmarking these days is really hard.

On the contrary... they are quite soft and malleable, as you have just shown :).

In that regard, I'm thinking - what sense does then the question "peak CPU" mean? Any app can peak at 100% at some time. So I'd take it to mean "peak CPU as shown by task manager". Or else the question is pointless.