Which has the lower trailing P/E, FORM or RMBS?

RMBS has the lower trailing P/E: FORM trades at 92.50 and RMBS at 46.98. P/E is one valuation measure and does not by itself establish which business is cheaper.

Which has grown faster, FORM or RMBS?

Over the past five years, RMBS grew revenue faster — FORM at a 3.77% CAGR versus RMBS at 22.51%.

Is FORM or RMBS more profitable?

RMBS runs the higher net margin — FORM at 12.80% versus RMBS at 31.69%.

How have FORM and RMBS total returns compared?

Over the past 10 years, FORM delivered 28.02% and RMBS delivered 20.83% annualized total return. Past performance doesn't predict future results.

FormFactor, Inc. (FORM) vs Rambus Inc. (RMBS)

A side-by-side comparison of FormFactor, Inc. and Rambus Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of September 13, 2026. Differences are shown without an overall score or investment verdict.

FORM

FormFactor, Inc.

$10.46B

$134.13TechnologyDelayed quote: Sep 29, 2026, 12:15 PM EDT

RMBS

Rambus Inc.

$11.11B

$102.42TechnologyDelayed quote: Sep 29, 2026, 12:15 PM EDT

Total return — FORM vs RMBS

growth of $100 · dividends reinvested · last 10y

FORM +1071.8% (+27.9%/yr)RMBS +558.9% (+20.7%/yr)FORM compounded faster over this window

FORM RMBS

FORM vs RMBS: by the numbers

•RMBS is the larger company ($11.11B vs $10.46B market cap).
•RMBS trades at the lower trailing earnings multiple (46.98 vs 92.50 P/E), one valuation lens rather than an overall verdict.
•RMBS converts more revenue to profit (31.69% vs 12.80% net margin).
•RMBS grew revenue faster over the past five years (22.51% vs 3.77% CAGR).

Metrics side by side

Valuation

Metric	FORM	RMBS
P/E ratio	92.50	46.98
Forward P/E	44.00	33.72
P/S ratio	11.59	14.69
P/B ratio	9.41	7.57
EV / EBITDA	53.70	36.37
FCF yield	1.30%	2.70%

Profitability

Metric	FORM	RMBS
Gross margin	45.64%	78.27%
Operating margin	8.18%	35.51%
Net margin	12.80%	31.69%
ROE	10.39%	16.34%
ROIC	11.16%	14.56%

Growth (annualized)

Metric	FORM	RMBS
Revenue CAGR (5Y)	3.77%	22.51%
EPS CAGR (5Y)	-7.27%	N/A
FCF CAGR (5Y)	-36.53%	14.08%
Total return CAGR (5Y)	23.83%	29.79%

Frequently asked

Which has the lower trailing P/E, FORM or RMBS?: RMBS has the lower trailing P/E: FORM trades at 92.50 and RMBS at 46.98. P/E is one valuation measure and does not by itself establish which business is cheaper.
Which has grown faster, FORM or RMBS?: Over the past five years, RMBS grew revenue faster — FORM at a 3.77% CAGR versus RMBS at 22.51%.
Is FORM or RMBS more profitable?: RMBS runs the higher net margin — FORM at 12.80% versus RMBS at 31.69%.
How have FORM and RMBS total returns compared?: Over the past 10 years, FORM delivered 28.02% and RMBS delivered 20.83% annualized total return. Past performance doesn't predict future results.

Go deeper

Full FORM analysis Full RMBS analysis Interactive comparison tool

Dig into the metrics

FormFactor P/E ratio Rambus P/E ratio FormFactor ROE Rambus ROE FormFactor operating margin Rambus operating margin FormFactor revenue growth Rambus revenue growth FormFactor free cash flow Rambus free cash flow

FormFactor & Rambus appear in these rankings

Fastest Revenue Growth Stocks Highest Operating Margin Stocks Highest 10-Year Total Return Stocks

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 13, 2026.