Amazon.com, Inc. (AMZN) vs Comcast Corporation (CMCSA)

A side-by-side comparison of Amazon.com, Inc. and Comcast Corporation across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of September 10, 2026. Differences are shown without an overall score or investment verdict.

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Different business models: AMZN is classified in Consumer Cyclical; CMCSA is classified in Communication Services. Margin, capital intensity, and valuation differences should be interpreted in that sector context.

Total returnAMZN vs CMCSA

growth of $100 · dividends reinvested · last 10y
AMZN +562.0% (+20.8%/yr)CMCSA -2.8% (-0.3%/yr)AMZN compounded faster over this window
Log scale — wide-divergence pair
101001kStart $10020182020202220242026$662$97
AMZN CMCSA

AMZN vs CMCSA: by the numbers

  • AMZN is the larger company ($2.71T vs $89.32B market cap).
  • CMCSA trades at the lower trailing earnings multiple (8.15 vs 20.26 P/E), one valuation lens rather than an overall verdict.
  • AMZN converts more revenue to profit (17.44% vs 8.97% net margin).
  • AMZN grew revenue faster over the past five years (11.84% vs 2.76% CAGR).
  • CMCSA pays a dividend (5.24% yield), while AMZN has no payments in the available dividend history.

Metrics side by side

Valuation

MetricAMZNCMCSA
P/E ratio20.268.15
Forward P/E19.817.18
P/S ratio3.490.72
P/B ratio4.910.99
EV / EBITDA16.905.05
FCF yieldN/A22.89%

Profitability

MetricAMZNCMCSA
Gross margin50.77%69.39%
Operating margin12.08%14.66%
Net margin17.44%8.97%
ROE24.52%12.48%
ROIC8.48%6.12%

Dividends

MetricAMZNCMCSA
Dividend yieldN/A5.24%
Payout ratioN/A42.72%

Growth (annualized)

MetricAMZNCMCSA
Revenue CAGR (5Y)11.84%2.76%
EPS CAGR (5Y)27.90%18.66%
FCF CAGR (5Y)-21.57%8.05%
Total return CAGR (5Y)7.75%-13.07%

Frequently asked

Which has the lower trailing P/E, AMZN or CMCSA?
CMCSA has the lower trailing P/E: AMZN trades at 20.26 and CMCSA at 8.15. P/E is one valuation measure and does not by itself establish which business is cheaper.
Which has grown faster, AMZN or CMCSA?
Over the past five years, AMZN grew revenue faster — AMZN at a 11.84% CAGR versus CMCSA at 2.76%.
Does AMZN or CMCSA pay a bigger dividend?
CMCSA pays a dividend (5.24% yield), while AMZN has no payments in the available dividend history.
Is AMZN or CMCSA more profitable?
AMZN runs the higher net margin — AMZN at 17.44% versus CMCSA at 8.97%.
How have AMZN and CMCSA total returns compared?
Over the past 10 years, AMZN delivered 20.81% and CMCSA delivered -0.09% annualized total return. Past performance doesn't predict future results.

Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified September 10, 2026.