This section Distinguishing INTJ and INFJ is to help you verify your type if you're still unsure after doing the test and reading the type descriptions.

INTJs and INFJs are very different personalities. According to David Keirsey’s Temperament Theory, the INTJ belongs to the Rational (NTs) type personality while the INFJ belongs to the Idealist (NFs) type personality.

As such there are several distinguishing characteristics of both personalities that will easily help you clarify your type.

  • INFJs may appear more idealistic than the utilitarian INTJs when viewing the world.

    One of the distinguishing characteristics of the INTJs and the INFJs is that the INTJs often appear more utilitarian when discussing matters of the world. They are more likely to give a cynical viewpoint or a hard truth when talking about it. (e.g. It’s about the survival of the fittest; life isn’t fair, deal with it.)

    INFJs often present a more idealistic viewpoint about the world, believing that people are inherently good, and goodness can be restored in a chaotic world. They are perturbed by perceived unfairness in the world, and some will seek to change it, something that the INTJs have already noticed and accepted a long time ago.

  • INFJs often talk about meaning in their work; while INTJs are more interested in excellence in theirs.

    INFJs seek meaning beyond the dollars and sense. They are not driven by money, but instead are driven by their values and ideals. So their usual complaint about work, if any, is that they do not find meaning in what they do. Such a reason can compel them to move on to other jobs.

    INTJs are usually considered ambitious. Wherever they are, INTJs seek to be excellent in their work and want to be rewarded for their competence and excellence. You will seldom hear an INTJ talk about meaning in work. The only meaning they need is that they excel in whatever they put their hands to.

  • INTJs enjoy debate while INFJs tend to avoid them.

    INTJs enjoy debate about most topics under the sun. They take an objective point of view, presenting their seemingly infallible arguments based on clear facts and logic. They do not take sides when debating; they will only take the side that makes logical sense.

    INFJs may like a discussion or two, but they dislike debate, especially when it comes to issues close to their hearts. The INFJ has already chosen a side, and will most likely present that side if the other party agrees with them OR if the INFJ feels sufficiently provoked that they feel they need to present their side of the argument. 

Read more about:



These differences should be sufficient for distinguishing INTJ and INFJ. While there are other more subtle differences, the above mentioned points are the usually more observable differences in behavior.

Return from Distinguishing INTJ and INFJ to Distinguishin Types

Return to Home Page