Skip to content
BillionaireTracker

Michael Dell vs Thomas Duff: who is richer?

Michael Dell is richer, with a net worth of $194.9 billion versus Thomas Duff's $4.45 billion — a gap of $190.4 billion, or 44 times as much (as of November 7, 2026).

Michael Dell

Source of wealth: Dell Technologies

$194.9B

Made since you opened this page: $0.00

Thomas Duff

Source of wealth: Tires, diversified

$4.45B

Made since you opened this page: $0.00

Side-by-side

Michael DellThomas Duff
Net worth$194.9B$4.45B
World rank#6#962
Makes per second$1,923$22.84
Makes per day$166.1M$1.97M
Today+$3.78B$0
Source of wealthDell TechnologiesTires, diversified
Age6169
CountryUnited StatesUnited States

Net worth by year

YearMichael DellThomas Duff
2026$141B$4.5B
2025$97.7B$3.3B
2024$91B$3B
2023$50.1B$2.3B
2022$55.1B$2B
2021$45.1B$1.4B
2020$22.9B$1.4B
2019$34.3B$1.2B
2018$22.7B—
2017$20.4B—
2016$19.8B—
2015$19.2B—

Frequently asked questions

Who is richer, Michael Dell or Thomas Duff?

Michael Dell is richer, worth $194.9 billion compared with Thomas Duff's $4.45 billion. The difference is $190.4 billion.

Who makes more per second, Michael Dell or Thomas Duff?

Michael Dell makes more: about $1,923 per second versus $22.84. Per day that's $166.1M vs $1.97M.

How many times richer is Michael Dell than Thomas Duff?

Michael Dell has about 44 times Thomas Duff's net worth.