Is FORM or RMBS cheaper?

On trailing earnings, RMBS is cheaper: FORM trades at a 160.01 P/E and RMBS at 69.79.

Which has grown faster, FORM or RMBS?

Over the past five years, RMBS grew revenue faster — FORM at a 3.14% CAGR versus RMBS at 23.51%.

Is FORM or RMBS more profitable?

RMBS runs the higher net margin — FORM at 8.14% versus RMBS at 31.89%.

Which has been the better investment, FORM or RMBS?

Over the past 10-year, FORM delivered the higher annualized total return — FORM at 33.49% versus RMBS at 28.14%. Past performance doesn't predict future results.

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

RMBS leads on 14 of 16 compared metrics.

A side-by-side comparison of FormFactor, Inc. and Rambus Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of June 15, 2026. The ● marks the stronger figure on each row (cheaper multiple, higher margin/return).

Total return — FORM vs RMBS

growth of $100 · last 23y

FORM +691.9%RMBS +712.5%RMBS compounded faster

FORM RMBS

FORM vs RMBS: by the numbers

•RMBS is the larger company ($15.64B vs $10.85B market cap).
•RMBS trades at the lower earnings multiple (69.79 vs 160.01 P/E).
•RMBS converts more revenue to profit (31.89% vs 8.14% net margin).
•RMBS grew revenue faster over the past five years (23.51% vs 3.14% CAGR).

Which is better, FORM or RMBS?

Metric tally: FORM 2 · RMBS 14

It depends on what you're optimizing for:

ValueRMBS(lower P/E)

GrowthRMBS(faster 5Y revenue CAGR)

QualityRMBS(higher ROIC)

Metrics side by side

Valuation

Metric	FORM	RMBS
P/E ratio	160.01	69.79●
Forward P/E	56.75	49.34●
P/S ratio	13.16●	22.30
P/B ratio	10.44●	11.54
PEG ratio	31.44	1.53●
EV / EBITDA	86.93	52.03●
FCF yield	0.33%	2.08%●

Profitability

Metric	FORM	RMBS
Gross margin	42.11%	77.03%●
Operating margin	12.70%	35.89%●
Net margin	8.14%	31.89%●
ROE	6.45%	16.51%●
ROIC	4.67%	15.03%●

Growth (annualized)

Metric	FORM	RMBS
Revenue CAGR (5Y)	3.14%	23.51%●
EPS CAGR (5Y)	5.09%	48.76%●
FCF CAGR (5Y)	-19.02%	16.48%●
Total return CAGR (5Y)	32.69%	48.04%●

Frequently asked

Which is better, FORM or RMBS?: It depends on your goal. value: RMBS (lower P/E); growth: RMBS (faster 5Y revenue CAGR); quality: RMBS (higher ROIC). Across all compared metrics, RMBS leads 14 to 2.
Is FORM or RMBS cheaper?: On trailing earnings, RMBS is cheaper: FORM trades at a 160.01 P/E and RMBS at 69.79.
Which has grown faster, FORM or RMBS?: Over the past five years, RMBS grew revenue faster — FORM at a 3.14% CAGR versus RMBS at 23.51%.
Is FORM or RMBS more profitable?: RMBS runs the higher net margin — FORM at 8.14% versus RMBS at 31.89%.
Which has been the better investment, FORM or RMBS?: Over the past 10-year, FORM delivered the higher annualized total return — FORM at 33.49% versus RMBS at 28.14%. 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 dividend yield Rambus dividend yield 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 Best 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 June 15, 2026.