What are the personality traits of a humans? Are they kind hearted emotional outburst or cold blooded no emotion or what

^ Yeah. Kryptonians have various personalities. Some are kind like Kal-El, some are vile like Zod and there are some in between.

Okay do they all have at least some similar personality traits

No. Every person is different.

They function quite like humans they all have separate personality traits and mindsets. Just like us humans.

This feels kryptonian-ist

They are programed to care about their race and to do anything for Krypton. Superman was the first to break free from this programing which is why Zod was disgusted with him in Man of Steel.

The same thing happened in the comics when H'el tried to restore Krypton with Supergirl while Superman stopped them.

H'el on Earth is just one story in a rich history, this is not something that has been portrayed consistently throughout.

They have different personalities.