Is AEIS or RMBS cheaper?

On trailing earnings, RMBS is cheaper: AEIS trades at a 74.60 P/E and RMBS at 69.79.

Which has grown faster, AEIS or RMBS?

Over the past five years, RMBS grew revenue faster — AEIS at a 5.58% CAGR versus RMBS at 23.51%.

Does AEIS or RMBS pay a bigger dividend?

AEIS pays a dividend (0.11% yield) while RMBS does not currently pay one.

Is AEIS or RMBS more profitable?

RMBS runs the higher net margin — AEIS at 10.00% versus RMBS at 31.89%.

Which has been the better investment, AEIS or RMBS?

Over the past 10-year, RMBS delivered the higher annualized total return — AEIS at 25.71% versus RMBS at 28.27%. Past performance doesn't predict future results.

Advanced Energy Industries, Inc. (AEIS) vs Rambus Inc. (RMBS)

RMBS leads on 12 of 16 compared metrics.

A side-by-side comparison of Advanced Energy Industries, 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).

AEIS

Advanced Energy Industries, Inc.

Total return — AEIS vs RMBS

growth of $100 · last 29y

AEIS +3733.3%RMBS +1838.0%AEIS compounded faster

AEIS RMBS

AEIS vs RMBS: by the numbers

•RMBS is the larger company ($15.85B vs $14.14B market cap).
•RMBS trades at the lower earnings multiple (69.79 vs 74.60 P/E).
•RMBS converts more revenue to profit (31.89% vs 10.00% net margin).
•RMBS grew revenue faster over the past five years (23.51% vs 5.58% CAGR).
•AEIS pays a dividend (0.11% yield) while RMBS does not currently pay one.

Which is better, AEIS or RMBS?

Metric tally: AEIS 4 · RMBS 12

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	AEIS	RMBS
P/E ratio	74.60	69.79●
Forward P/E	38.01●	49.34
P/S ratio	7.85●	22.30
P/B ratio	10.80●	11.54
PEG ratio	0.31●	1.53
EV / EBITDA	56.07	52.03●
FCF yield	0.46%	2.08%●

Profitability

Metric	AEIS	RMBS
Gross margin	38.69%	77.03%●
Operating margin	11.33%	35.89%●
Net margin	10.00%	31.89%●
ROE	13.76%	16.51%●
ROIC	8.08%	15.03%●

Dividends

Metric	AEIS	RMBS
Dividend yield	0.11%	—
Payout ratio	10.13%	—

Growth (annualized)

Metric	AEIS	RMBS
Revenue CAGR (5Y)	5.58%	23.51%●
EPS CAGR (5Y)	2.33%	48.76%●
FCF CAGR (5Y)	-18.30%	16.48%●
Total return CAGR (5Y)	29.14%	49.06%●

Frequently asked

Which is better, AEIS 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 12 to 4.
Is AEIS or RMBS cheaper?: On trailing earnings, RMBS is cheaper: AEIS trades at a 74.60 P/E and RMBS at 69.79.
Which has grown faster, AEIS or RMBS?: Over the past five years, RMBS grew revenue faster — AEIS at a 5.58% CAGR versus RMBS at 23.51%.
Does AEIS or RMBS pay a bigger dividend?: AEIS pays a dividend (0.11% yield) while RMBS does not currently pay one.
Is AEIS or RMBS more profitable?: RMBS runs the higher net margin — AEIS at 10.00% versus RMBS at 31.89%.
Which has been the better investment, AEIS or RMBS?: Over the past 10-year, RMBS delivered the higher annualized total return — AEIS at 25.71% versus RMBS at 28.27%. Past performance doesn't predict future results.

Go deeper

Full AEIS analysis Full RMBS analysis Interactive comparison tool

Dig into the metrics

Advanced Energy Industries P/E ratio Rambus P/E ratio Advanced Energy Industries dividend yield Rambus dividend yield Advanced Energy Industries ROE Rambus ROE Advanced Energy Industries operating margin Rambus operating margin Advanced Energy Industries revenue growth Rambus revenue growth Advanced Energy Industries free cash flow Rambus free cash flow

Advanced Energy Industries & 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.