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Head-to-Head Comparison

Plato vs Thomas Aquinas

Plato (IQ 180) vs Thomas Aquinas (IQ 170). Side-by-side comparison of intellect, achievements, era and cultural impact.

Plato
0428–0348 · GR
180
Estimated IQ
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Thomas Aquinas
1225–1274 · IT
170
Estimated IQ
Read full biography →
Born04281225
Died03481274
CountryGRIT
Estimated IQ 180 170
Best known forApology • Crito • Euthyphro • Meno • Parmenides • Phaedo • Phaedrus • Republic • Symposium • Timaeus

Who had the higher IQ?

By the most cited estimates, Plato tops this matchup with an estimated IQ of 180, a 10-point margin over Thomas Aquinas (170). IQ estimates for historical figures are reconstructions, not test results — they sit on top of biographical evidence, productivity, and the difficulty of the problems each person solved. Treat the number as a directional signal, not a verdict.

Achievements compared

Plato is best known for: Apology • Crito • Euthyphro • Meno • Parmenides • Phaedo • Phaedrus • Republic • Symposium • Timaeus Thomas Aquinas is best known for: —

Different eras, different boards

The two were born roughly 797 years apart (0428 vs 1225), which matters: scientific tools, available knowledge, and intellectual culture compound. Comparing minds across eras is comparing players on different boards.

The verdict

So who was greater? The honest answer: they're not strictly comparable. By raw IQ proxy, Plato edges out. By measurable, lasting influence in their respective field, both are anchors of the human record. If you have to pick one to bet civilization on, pick the one working on the problem you care about.

Frequently Asked

Who had the higher IQ, Plato or Thomas Aquinas?
Estimated IQs are 180 for Plato and 170 for Thomas Aquinas. Plato rates higher by 10 points. Historical IQ figures are reconstructions, not measured scores.
What is Plato most famous for?
Apology • Crito • Euthyphro • Meno • Parmenides • Phaedo • Phaedrus • Republic • Symposium • Timaeus
What is Thomas Aquinas most famous for?
Did Plato and Thomas Aquinas ever meet?
They were contemporaries, though there is no documented direct meeting in our sources.

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