FormFactor FormFactor (FORM) vs Rambus (RMBS)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
FormFactor FormFactor (FORM) has outperformed Rambus (RMBS) over the past year, gaining 260.0% versus a gain of 15.1%. Over five years, RMBS leads with a +402.2% price change compared with +288.7% for FORM. Rambus is the larger company by market cap ($12.09 billion vs $10.92 billion), about 1.1 times the size.
On valuation, Rambus trades at a lower forward P/E (30.0x vs 36.9x for FormFactor FormFactor). Rambus converts more of its revenue into profit, with a net margin of 32.6% versus 6.9%.
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | FORM | RMBS |
|---|---|---|
| Share price | $139.80 | $111.48 |
| Market cap | $10.92B | $12.09B |
| 1-day change | -1.06% | -2.29% |
| YTD return | +150.63% | +21.32% |
| 1-year return | +260.03% | +15.12% |
| 5-year return | +288.66% | +402.16% |
| P/E ratio (TTM) | 96.41 | 51.14 |
| Forward P/E | 36.92 | 29.96 |
| EPS (TTM) | $1.45 | $2.18 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| Revenue (latest FY) | $784.99M | $707.63M |
| Revenue growth (YoY) | +2.80% | +27.13% |
| Net income (latest FY) | $54.36M | $230.46M |
| Gross margin | 39.34% | 79.59% |
| Operating margin | 7.27% | 36.77% |
| Net margin | 6.93% | 32.57% |
| 52-week high | $160.27 | $174.10 |
| 52-week low | $37.14 | $77.89 |
| Distance from 52-week high | -12.77% | -35.97% |
| Analyst consensus | buy | strong_buy |
| Avg. price target upside | +10.08% | +26.99% |
| Average volume | 1.47M | 2.45M |
| Shares outstanding | 78.12M | 108.46M |
| Employees | 2,153 | 791 |
| Sector | Technology | Technology |
| Industry | Semiconductors | Semiconductors |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- FORM has outperformed RMBS by 244.9 percentage points over the past year.
- FormFactor FormFactor trades at a higher earnings multiple (96.4x vs 51.1x trailing P/E).
- Rambus is more profitable, keeping 32.6 cents of every revenue dollar as net income versus 6.9 cents for FormFactor FormFactor.
- Rambus grew revenue faster in its latest fiscal year (+27.13% vs +2.80%).
About FormFactor FormFactor
FORM stock →FormFactor, Inc. designs, manufactures, and sells probe cards, analytical probes, probe stations, thermal systems, cryogenic systems, and related services in the United States, South Korea, Taiwan, China, Japan, Singapore, Europe, Malaysia, and internationally.
Technology · Semiconductors · 2,153 employees
About Rambus
RMBS stock →Rambus Inc. manufactures and sells semiconductor products in the United States, South Korea, Singapore, and internationally.
Technology · Semiconductors · 791 employees
FORM vs RMBS FAQ
Which is bigger, FormFactor FormFactor or Rambus?
Rambus (RMBS) is larger, with a market capitalization of $12.09B compared with $10.92B for FormFactor FormFactor (FORM).
Which stock has performed better over the past year, FORM or RMBS?
FORM returned +260.03% over the past 12 months, compared with +15.12% for RMBS (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, FORM or RMBS?
RMBS has the lower trailing P/E at 51.1, versus 96.4 for FORM. A lower P/E is not by itself a sign of a better investment; it can reflect slower expected growth or higher risk.
Are FormFactor FormFactor and Rambus in the same industry?
Yes. Both are classified in the Semiconductors industry within the Technology sector.