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human
[X-Men] What is the difference between Magneto and someone with powerful Telekinesis?

Okay, so my knowledge about Magneto mostly comes from the movies, where his powers most of the time seem indistinguishable from high level telekinesis limited to metals.
But I've heard and read several times by now that in the comics, he also has other powers related to magnetic forces. 

My question now is, does he posses any power that a sufficiently powerful telekinect couldn't mimic or is there any aspect to his power that greatly differentiates it from pure telekinesis?

And also, how powerful would a user of telekinesis need to be, to perfectly mimic his powers?
gpt
He can manipulate the magnetic and electric currents in your brain.  Alter earths magnetic field.  He can sense electrical and magnetic fields around him.  And can create and manipulate magnetic fields of various intensity and size at once.  A telekinetic person can match many of his abilities but not all.  They can crush a persons head but can't mess with their brain chemistry.  They can't sense an approaching machine or person from a distance.  They can pick up a bunch of coins but can't separate the nickel iron and brass used to make those coins. 

Aside from just how ridiculously powerful he is magneto is just very very specialized in his powers.  He's a scalpel to a telekinesis hacksaw.  They both can do similar things but one is far more capable of precision than the other.