InterDigital, Inc. (IDCC) vs Rambus Inc. (RMBS)
A side-by-side comparison of InterDigital, Inc. and Rambus Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of August 20, 2026. Differences are shown without an overall score or investment verdict.
IDCC
InterDigital, Inc.
$344.86TechnologyAt close: Aug 19, 2026, 4:00 PM ET
RMBS
Rambus Inc.
$90.85TechnologyAt close: Aug 19, 2026, 4:00 PM ET
Total return — IDCC vs RMBS
growth of $100 · dividends reinvested · last 10yIDCC +491.3% (+19.4%/yr)RMBS +570.0% (+21.0%/yr)RMBS compounded faster over this window
IDCC RMBS
IDCC vs RMBS: by the numbers
- •RMBS is the larger company ($9.85B vs $8.90B market cap).
- •IDCC trades at the lower trailing earnings multiple (39.78 vs 41.67 P/E), one valuation lens rather than an overall verdict.
- •IDCC converts more revenue to profit (38.32% vs 31.69% net margin).
- •RMBS grew revenue faster over the past five years (22.51% vs 17.75% CAGR).
- •IDCC pays a dividend (0.81% yield), while RMBS has no payments in the available dividend history.
Metrics side by side
Valuation
| Metric | IDCC | RMBS |
|---|---|---|
| P/E ratio | 39.78 | 41.67 |
| Forward P/E | 39.65 | 29.93 |
| P/S ratio | 14.98 | 13.20 |
| P/B ratio | 9.83 | 6.80 |
| EV / EBITDA | 27.43 | 32.66 |
| FCF yield | 4.57% | 3.00% |
Profitability
| Metric | IDCC | RMBS |
|---|---|---|
| Gross margin | 78.66% | 78.27% |
| Operating margin | 55.26% | 35.51% |
| Net margin | 38.32% | 31.69% |
| ROE | 25.14% | 16.34% |
| ROIC | 16.87% | 14.56% |
Dividends
| Metric | IDCC | RMBS |
|---|---|---|
| Dividend yield | 0.81% | N/A |
| Payout ratio | 17.76% | N/A |
Growth (annualized)
| Metric | IDCC | RMBS |
|---|---|---|
| Revenue CAGR (5Y) | 17.75% | 22.51% |
| EPS CAGR (5Y) | 60.96% | N/A |
| FCF CAGR (5Y) | 70.47% | 14.08% |
| Total return CAGR (5Y) | 39.92% | 31.18% |
Frequently asked
- Which has the lower trailing P/E, IDCC or RMBS?
- IDCC has the lower trailing P/E: IDCC trades at 39.78 and RMBS at 41.67. P/E is one valuation measure and does not by itself establish which business is cheaper.
- Which has grown faster, IDCC or RMBS?
- Over the past five years, RMBS grew revenue faster — IDCC at a 17.75% CAGR versus RMBS at 22.51%.
- Does IDCC or RMBS pay a bigger dividend?
- IDCC pays a dividend (0.81% yield), while RMBS has no payments in the available dividend history.
- Is IDCC or RMBS more profitable?
- IDCC runs the higher net margin — IDCC at 38.32% versus RMBS at 31.69%.
- How have IDCC and RMBS total returns compared?
- Over the past 10 years, IDCC delivered 19.59% and RMBS delivered 20.71% annualized total return. Past performance doesn't predict future results.
Go deeper
Dig into the metrics
InterDigital P/E ratioRambus P/E ratioInterDigital dividend yieldInterDigital ROERambus ROEInterDigital operating marginRambus operating marginInterDigital revenue growthRambus revenue growthInterDigital free cash flowRambus free cash flow
InterDigital & Rambus 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 August 20, 2026.