Free PDF: The Genius Workout — 50 brain teasers + the 25 highest IQs in history.
Head-to-Head Comparison

Garry Kasparov vs Isaac Newton

Garry Kasparov (IQ 190) vs Isaac Newton (IQ 190). Side-by-side comparison of intellect, achievements, era and cultural impact.

Garry Kasparov
b. 1963 · AZ
190
Estimated IQ
Read full biography →
Isaac Newton
1643–1727 · ENG
190
Estimated IQ
Read full biography →
Born19631643
Died1727
CountryAZENG
Estimated IQ 190 190
Best known forBeing the top chess player from 1984 until 2005Newtonian mechanics • Universal gravitation • Calculus • Newton's laws of motion • Optics • Binomial series • Principia • Newton's method

Who had the higher IQ?

By the most cited estimates, Garry Kasparov tops this matchup with an estimated IQ of 190, a 0-point margin over Isaac Newton (190). 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

Garry Kasparov is best known for: Being the top chess player from 1984 until 2005 Isaac Newton is best known for: Newtonian mechanics • Universal gravitation • Calculus • Newton's laws of motion • Optics • Binomial series • Principia • Newton's method

Recognition. Garry Kasparov: —. Isaac Newton: FRS (1672) • Knight Bachelor (1705).

Different eras, different boards

The two were born roughly 320 years apart (1963 vs 1643), 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, Garry Kasparov 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, Garry Kasparov or Isaac Newton?
Estimated IQs are 190 for Garry Kasparov and 190 for Isaac Newton. They rate similarly. Historical IQ figures are reconstructions, not measured scores.
What is Garry Kasparov most famous for?
Being the top chess player from 1984 until 2005
What is Isaac Newton most famous for?
Newtonian mechanics • Universal gravitation • Calculus • Newton's laws of motion • Optics • Binomial series • Principia • Newton's method
Did Garry Kasparov and Isaac Newton ever meet?
They were contemporaries, though there is no documented direct meeting in our sources.

Related Comparisons

Explore more genius comparisons

See the IQ Rankings →
ENEspañolFrançaisDeutschPortuguês日本語Italiano中文한국어العربيةहिन्दीРусскийTürkçe

Play & come back tomorrow

🔥 Daily Genius Challenge · Genius trivia
Who famously said 'I think, therefore I am'?
🧠 Which Genius Are You?📊 Free IQ Test