The short version

From the latest prices and each company's SEC filings. Who's ahead on each measure, not which to buy.

  • Mastercard is the larger company, worth $530.2B, about 4.1 times Capital One Financial.
  • Capital One Financial grew revenue faster over the last year (+49.8% vs +14.1%).
  • On earnings, Mastercard is the cheaper stock (34.7x vs 63.0x).
  • Mastercard's price assumes faster free cash flow growth: about 11% a year, against -14% for Capital One Financial (reverse DCF).

Side by side

The stronger figure is shaded where higher (or, for valuation multiples, lower) reads as better. How the implied growth works.

MeasureCOFMA
Market cap$127.8B$530.2B
Share price$199.26$589.14
Revenue (last fiscal year)$8.1B$32.8B
Free cash flow (last fiscal year)$26.1B$17.2B
Revenue growth, last year+49.8%+14.1%
Revenue growth per year, last 5 fiscal years+14.0%+14.8%
Operating margin—58.3%
Net margin106.2%46.3%
Return on equity9.2%289.7%
P/E (trailing)63.0x34.7x
Price / free cash flow4.90x31.4x
EV / EBITDA5.62x24.7x
FCF growth the price implies-14.3%10.7%
Dividend yield1.4%0.53%
Debt / equity4.92x9.28x
Fundamental gradeBC
Superinvestors holding it2319
Insider purchases, last 12 months1010

Results from SEC filings

Revenue and free cash flow by fiscal year, from each company's 10-K filings.

Capital One Financial

YearRevenueFree cash flowOp. margin
2021$4.8B$11.6B—
2022$5.4B$12.9B—
2023$5.6B$19.6B—
2024$5.9B$17.0B—
2025$8.1B$26.1B—

Mastercard

YearRevenueFree cash flowOp. margin
2021$18.9B$9.1B53.4%
2022$22.2B$10.8B55.2%
2023$25.1B$11.6B55.8%
2024$28.2B$14.3B55.3%
2025$32.8B$17.2B57.6%

Where the revenue comes from

Capital One Financial · by segments, 2025

Credit Card$39.6B74%
Consumer Banking$10.4B19%
Commercial Banking$3.7B7%

Mastercard · by products, 2025

Payment network$19.5B59%
Value-added services and solutions$13.3B41%
Compare them in fullFifteen years of statements, quarterly results, DCF and IRR models, and any number of peers side by side.
Open COF in Investingly

Questions

Which is bigger, Capital One Financial or Mastercard?

Mastercard (MA), at $530.2B against $127.8B.

Is COF or MA cheaper?

By trailing P/E, Mastercard (34.7x) is cheaper than Capital One Financial (63.0x). A lower multiple can also mean the market expects less growth.

Which grows faster, COF or MA?

Capital One Financial: revenue grew +49.8% over the last year, against +14.1%.

Prices and ratios as of the last daily update; statements from SEC filings. Information only, not investment advice.