Exceptional Promise is for those applicants who can demonstrate potential to become a leading talent in their field and contribute as a future leader in either their industry or academia.
Typically applicants applying for Exceptional Promise are at an earlier stage of their career but have already made some significant achievements and contributions. For example, Tech Nation suggests that Exceptional Promise applicants typically have 5 years or less experience at the time of applying.
Exceptional Talent is for those applicants who can demonstrate that they are already established as a recognised leader in their field. They should have a significant track record of achievements.