Is PNR or RMBS cheaper?

On trailing earnings, PNR is cheaper: PNR trades at a 18.09 P/E and RMBS at 69.79.

Which has grown faster, PNR or RMBS?

Over the past five years, RMBS grew revenue faster — PNR at a 5.78% CAGR versus RMBS at 23.51%.

Does PNR or RMBS pay a bigger dividend?

PNR pays a dividend (1.41% yield) while RMBS does not currently pay one.

Is PNR or RMBS more profitable?

RMBS runs the higher net margin — PNR at 15.97% versus RMBS at 31.89%.

Which has been the better investment, PNR or RMBS?

Over the past 10-year, RMBS delivered the higher annualized total return — PNR at 8.06% versus RMBS at 28.27%. Past performance doesn't predict future results.

Pentair plc (PNR) vs Rambus Inc. (RMBS)

RMBS leads on 9 of 16 compared metrics, though PNR is the cheaper stock.

A side-by-side comparison of Pentair plc and Rambus Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of June 14, 2026. The ● marks the stronger figure on each row (cheaper multiple, higher margin/return).

Total return — PNR vs RMBS

growth of $100 · last 29y

PNR +615.1%RMBS +1838.0%RMBS compounded faster

PNR RMBS

PNR vs RMBS: by the numbers

•RMBS is the larger company ($15.85B vs $11.93B market cap).
•PNR trades at the lower earnings multiple (18.09 vs 69.79 P/E).
•RMBS converts more revenue to profit (31.89% vs 15.97% net margin).
•RMBS grew revenue faster over the past five years (23.51% vs 5.78% CAGR).
•PNR pays a dividend (1.41% yield) while RMBS does not currently pay one.

Which is better, PNR or RMBS?

Metric tally: PNR 7 · RMBS 9

It depends on what you're optimizing for:

ValuePNR(lower P/E)

GrowthRMBS(faster 5Y revenue CAGR)

QualityRMBS(higher ROIC)

Metrics side by side

Valuation

Metric	PNR	RMBS
P/E ratio	18.09●	69.79
Forward P/E	13.78●	49.34
P/S ratio	2.87●	22.30
P/B ratio	3.17●	11.54
PEG ratio	4.70	1.53●
EV / EBITDA	14.66●	52.03
FCF yield	5.92%●	2.08%

Profitability

Metric	PNR	RMBS
Gross margin	40.94%	77.03%●
Operating margin	20.57%	35.89%●
Net margin	15.97%	31.89%●
ROE	17.62%●	16.51%
ROIC	12.46%	15.03%●

Dividends

Metric	PNR	RMBS
Dividend yield	1.41%	—
Payout ratio	26.07%	—

Growth (annualized)

Metric	PNR	RMBS
Revenue CAGR (5Y)	5.78%	23.51%●
EPS CAGR (5Y)	13.17%	48.76%●
FCF CAGR (5Y)	1.63%	16.48%●
Total return CAGR (5Y)	3.14%	49.06%●

Frequently asked

Which is better, PNR or RMBS?: It depends on your goal. value: PNR (lower P/E); growth: RMBS (faster 5Y revenue CAGR); quality: RMBS (higher ROIC). Across all compared metrics, RMBS leads 9 to 7.
Is PNR or RMBS cheaper?: On trailing earnings, PNR is cheaper: PNR trades at a 18.09 P/E and RMBS at 69.79.
Which has grown faster, PNR or RMBS?: Over the past five years, RMBS grew revenue faster — PNR at a 5.78% CAGR versus RMBS at 23.51%.
Does PNR or RMBS pay a bigger dividend?: PNR pays a dividend (1.41% yield) while RMBS does not currently pay one.
Is PNR or RMBS more profitable?: RMBS runs the higher net margin — PNR at 15.97% versus RMBS at 31.89%.
Which has been the better investment, PNR or RMBS?: Over the past 10-year, RMBS delivered the higher annualized total return — PNR at 8.06% versus RMBS at 28.27%. Past performance doesn't predict future results.

Go deeper

Full PNR analysis Full RMBS analysis Interactive comparison tool

Dig into the metrics

Pentair P/E ratio Rambus P/E ratio Pentair dividend yield Rambus dividend yield Pentair ROE Rambus ROE Pentair operating margin Rambus operating margin Pentair revenue growth Rambus revenue growth Pentair free cash flow Rambus free cash flow

Pentair & Rambus appear in these rankings

Dividend Aristocrats Fastest Revenue Growth Stocks Highest Operating Margin Stocks Highest FCF Yield 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 14, 2026.