Comcast Corporation (CMCSA) vs Roku, Inc. (ROKU)

A side-by-side comparison of Comcast Corporation and Roku, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of July 29, 2026. Differences are shown without an overall score or investment verdict.

Compare

Total returnCMCSA vs ROKU

growth of $100 · dividends reinvested · last 9y
CMCSA -20.8%ROKU +512.4%ROKU compounded faster
Log scale — wide-divergence pair
101001k10kStart $1002019202120232025$79$612
CMCSA ROKU

CMCSA vs ROKU: by the numbers

  • CMCSA is the larger company ($87.74B vs $21.51B market cap).
  • CMCSA trades at the lower trailing earnings multiple (7.83 vs 108.20 P/E), one valuation lens rather than an overall verdict.
  • CMCSA converts more revenue to profit (8.97% vs 4.06% net margin).
  • ROKU grew revenue faster over the past five years (19.57% vs 2.76% CAGR).
  • CMCSA pays a dividend (5.46% yield), while ROKU has no payments in the available dividend history.

Metrics side by side

Valuation

MetricCMCSAROKU
P/E ratio7.83108.20
Forward P/E6.9258.27
P/S ratio0.694.38
P/B ratio0.968.14
PEG ratio0.17N/A
EV / EBITDA2.4968.89
FCF yield23.70%3.00%

Profitability

MetricCMCSAROKU
Gross margin69.39%44.19%
Operating margin14.66%2.09%
Net margin8.97%4.06%
ROE12.48%7.54%
ROIC6.42%-0.17%

Dividends

MetricCMCSAROKU
Dividend yield5.46%N/A
Payout ratio24.40%N/A

Growth (annualized)

MetricCMCSAROKU
Revenue CAGR (5Y)2.76%19.57%
EPS CAGR (5Y)18.66%N/A
FCF CAGR (5Y)8.05%32.93%
Total return CAGR (5Y)-13.37%-21.02%

Frequently asked

Which has the lower trailing P/E, CMCSA or ROKU?
CMCSA has the lower trailing P/E: CMCSA trades at 7.83 and ROKU at 108.20. P/E is one valuation measure and does not by itself establish which business is cheaper.
Which has grown faster, CMCSA or ROKU?
Over the past five years, ROKU grew revenue faster — CMCSA at a 2.76% CAGR versus ROKU at 19.57%.
Does CMCSA or ROKU pay a bigger dividend?
CMCSA pays a dividend (5.46% yield), while ROKU has no payments in the available dividend history.
Is CMCSA or ROKU more profitable?
CMCSA runs the higher net margin — CMCSA at 8.97% versus ROKU at 4.06%.
How have CMCSA and ROKU total returns compared?
Over the past 5 years, CMCSA delivered -0.90% and ROKU delivered -21.02% 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 July 29, 2026.