No one buys $2000 Desktop anymore. Majority don't. And you had to pick the most expensive 0.1% Market Desktop compared to A12X. The A12X here is a specific comparison, while the words "Desktop" is an generalisation. When I say my X Bike is comparable to Road Cars, Road Cars here means everyday cars, not your Lamborghini or Ferrari 455. Which we ALL KNEW would be faster than this Bike anyway.
But you had to nitpick on the word "Desktop". And then decide to use Similar price range as an argument which was never the intention nor what we started to compare it with.
A 13" ipad pro starts at $999 and goes up over $2,000. Any desktop in a similar price range will stomp the ipad processor without much issue.