Higher degree of talent:
* More talented
* More gifted
* More skillful
* More adept
* More proficient
Lower degree of talent:
* Less talented
* Less gifted
* Less skillful
* Less adept
* Less proficient
You can also use more/less talented than to compare two people or things. For example:
* "She is more talented than her brother."
* "This artist is less talented than the one I saw last week."