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 September 11, 2026. Differences are shown without an overall score or investment verdict.
CMCSA
Comcast Corporation
$25.20Communication ServicesDelayed quote: Sep 11, 2026, 4:00 PM EDT
ROKU
Roku, Inc.
$154.93Communication ServicesDelayed quote: Sep 11, 2026, 4:00 PM EDT
Total return — CMCSA vs ROKU
growth of $100 · dividends reinvested · last 9yCMCSA -11.8% (-1.4%/yr)ROKU +550.6% (+23.1%/yr)ROKU compounded faster over this window
Log scale — wide-divergence pair
CMCSA ROKU
CMCSA vs ROKU: by the numbers
- •CMCSA is the larger company ($89.43B vs $22.98B market cap).
- •CMCSA trades at the lower trailing earnings multiple (8.16 vs 66.21 P/E), one valuation lens rather than an overall verdict.
- •CMCSA converts more revenue to profit (8.97% vs 6.82% net margin).
- •ROKU grew revenue faster over the past five years (17.55% vs 2.76% CAGR).
- •CMCSA pays a dividend (5.24% yield), while ROKU has no payments in the available dividend history.
Metrics side by side
Valuation
| Metric | CMCSA | ROKU |
|---|---|---|
| P/E ratio | 8.16 | 66.21 |
| Forward P/E | 7.19 | 55.57 |
| P/S ratio | 0.72 | 4.41 |
| P/B ratio | 1.00 | 8.14 |
| EV / EBITDA | 5.05 | 39.48 |
| FCF yield | 22.86% | 3.59% |
Profitability
| Metric | CMCSA | ROKU |
|---|---|---|
| Gross margin | 69.39% | 45.50% |
| Operating margin | 14.66% | 5.25% |
| Net margin | 8.97% | 6.82% |
| ROE | 12.48% | 12.58% |
| ROIC | 6.12% | 7.56% |
Dividends
| Metric | CMCSA | ROKU |
|---|---|---|
| Dividend yield | 5.24% | N/A |
| Payout ratio | 42.72% | N/A |
Growth (annualized)
| Metric | CMCSA | ROKU |
|---|---|---|
| Revenue CAGR (5Y) | 2.76% | 17.55% |
| EPS CAGR (5Y) | 18.66% | N/A |
| FCF CAGR (5Y) | 8.05% | 35.49% |
| Total return CAGR (5Y) | -13.07% | -14.70% |
Frequently asked
- Which has the lower trailing P/E, CMCSA or ROKU?
- CMCSA has the lower trailing P/E: CMCSA trades at 8.16 and ROKU at 66.21. 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 17.55%.
- Does CMCSA or ROKU pay a bigger dividend?
- CMCSA pays a dividend (5.24% 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 6.82%.
- How have CMCSA and ROKU total returns compared?
- Over the past 5 years, CMCSA delivered -13.07% and ROKU delivered -14.70% annualized total return. Past performance doesn't predict future results.
Go deeper
Dig into the metrics
Comcast P/E ratioRoku P/E ratioComcast dividend yieldComcast ROERoku ROEComcast operating marginRoku operating marginComcast revenue growthRoku revenue growthComcast free cash flowRoku free cash flow
Comcast & Roku appear in these rankings
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 11, 2026.