Sigh... Can't believe you think their plights were close to the same.
Asians, Whites and Ashkenazi Jews came to the US willingly, many through chain migration, and were able to build clustered, supportive communities from the very start.
There's a big difference between being a voluntary low-paid laborer and an enslaved person who was ripped from one's homeland, unable to build wealth or own property, with generations repeatedly losing all family connections when sold at will by slaveholders, living with the threat of being raped, abused, beaten or killed for running away, simply irritating the master, or no reason at all, and so forth.
Median IQ of races? Now there's a thorny, subjective topic with all manner of variables including childhood nutrition, parents' levels of education, environmental conditions including pollution, neighborhood sociological influences, testing bias based on questions posed, and so much more.
I'm not qualified to discuss that subject and am pretty sure you aren't either.