It's not leagues behind at all - I'm not 'defending' apple - the specs and performance speaks for itself - its also not 'arm' it USED to be arm - then apple made their own design from it - its apple in house.
The specs and performance don't speak for itself at all - yes it's a fast chip by mobile phone standards, but it's in no way comparable to an x86/x64 processor in terms of computing power.
It also definitely is an ARM - it uses the ARM instruction set, and is based on a licensed ARM design. Yes Apple may have tweaked it and combined it with various other components to form the A11 SoC which is then fabbed by an external company, but at it's heart are ARM based processor cores.
I am merely confused as to your not believing factual info - also your putting WAY to much emphasis on the whole 'it was arm ported to x64' - as if its going to make some sort of massive difference - maybe a couple of %.
Ya basically talkin nonsense because no way geek bench running in apple/x64 mode etc will make say a 30% difference, at most single %
What factual info? One benchmark does not prove performance - when comparing GPUs or CPUs nobody considers a single benchmark to be acceptable, as it is too easy to cherry pick in order to show whatever results favour the author's bias.
The A11 used properly is in the same performance ball park as laptop intel chips - defo faster than AMD mobile chips by far (I use a ryzen desktop as my main rig)
If may seem faster for day to day tasks, but that's a result of Apple having full control of both the hardware and software - if you don't have to support 100's of different processors of different ages and capabilities (as Windows or Android both have to) then you can definitely optimise performance for a better user experience.
I don't care if apple, intel, AMD or santa made the chip, its performance is in i5/i7 territory - this is not my opinion - its complete scientific fact whether you wish to dismiss it or not, saying 'oh but the bench isnt believable' and ignoring it won't achieve anything - if Snap dragon made a similarly powerful chip id say the Snapdragon is hitting numbers similar to intel.
A12 will ruin the current gen intel mobile chips, without a doubt.
There is no scientific fact whatsoever. One benchmark proves nothing - come back to me when a mobile phone can mine Monero or other crypto currency at an acceptable rate, perform Raytracing, fold proteins or any other computationally intensive task