Well they DO dish out that performance, so long as you don't have a long running task that needs that performance level the entire time.LOL. This kills the fanboy. Why do you think Intel harps on constantly about "AC performance"? It is so they can pretend their 15W chips can dish out the performance even while it sucks down twice as much. It is also how this guy can actually write something like:
If you want to avoid that you choose for your testing a long running task where the initial turbo boost will be lost in the noise over a several hour long run. If you think running a noisy high speed fan is cheating, disable the fan on both for that test.
There are ways to get the outcome as "fair" as you want, but don't complain if others find that to be just as "pretend" as you consider tasks brief enough the Intel CPUs far exceed their 15W TDP.
It is well known that Geekbench is a very short duration and bursty benchmark, which will slant the results in hardware that can sustain a higher performance level during that run than it can sustain for longer periods. If you ran Geekbench in a loop over and over again then you get a different look at things, especially if you also count the runs until the battery runs out.
I would argue that Geekbench is a pretty decent benchmark for phones, in that at least it fits the usage model for most people. Few people peg the CPU for very long in their phone. PCs are a different matter and while some people have pretty phone-like usage pattern on their PC, others will peg it for long periods and benchmarks with longer duration like SPEC2017 are more appropriate.