Feeling like a savant and worries of delusion of grandeur

I feel like a savant based on my restricted interests, is this normal? I don't mean to sound like I have delusion of grandeur, but that is this core symptom of ASD that I experience.

I am sorry for being worried that I have delusion of grandeur, some people will think how insane I am if I tell them that I am ten times more intelligent than them.

That is why it is very hard to tell the difference between restricted interests and Narcissistic Personality Disorder.

I am sorry that I said that, but some symptoms of ASD looks very similar to NPD by observation.

Parents
  • The delusion of grandeur sounds like a trait of narcissism, but I suppose things are not as simple as that. 

    When you tell others that you are ten times more intelligent than them, is that based on pure logic and rationality, or is it because you want to put them down? And if you think you are more intelligent, is that in correspondance with your interests, or do you think you are more intelligent at everything compared to them?

Reply
  • The delusion of grandeur sounds like a trait of narcissism, but I suppose things are not as simple as that. 

    When you tell others that you are ten times more intelligent than them, is that based on pure logic and rationality, or is it because you want to put them down? And if you think you are more intelligent, is that in correspondance with your interests, or do you think you are more intelligent at everything compared to them?

Children