Which has grown faster, RMBS or ZETA?

Over the past five years, ZETA grew revenue faster — RMBS at a 22.51% CAGR versus ZETA at 30.31%.

Is RMBS or ZETA more profitable?

RMBS runs the higher net margin — RMBS at 31.69% versus ZETA at -0.14%.

How have RMBS and ZETA total returns compared?

Over the past 5 years, RMBS delivered 19.42% and ZETA delivered 33.65% annualized total return. Past performance doesn't predict future results.

Rambus Inc. (RMBS) vs Zeta Global Holdings Corp. (ZETA)

A side-by-side comparison of Rambus Inc. and Zeta Global Holdings Corp. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of September 3, 2026. Differences are shown without an overall score or investment verdict.

RMBS

Rambus Inc.

$9.13B

$84.22TechnologyDelayed quote: Sep 3, 2026, 3:55 PM EDT

ZETA

Zeta Global Holdings Corp.

$8.10B

$32.41TechnologyDelayed quote: Sep 3, 2026, 3:55 PM EDT

Total return — RMBS vs ZETA

growth of $100 · dividends reinvested · last 5y

RMBS +333.6% (+34.1%/yr)ZETA +242.4% (+27.9%/yr)RMBS compounded faster over this window

RMBS ZETA

RMBS vs ZETA: by the numbers

•RMBS is the larger company ($9.13B vs $8.10B market cap).
•RMBS is profitable (31.69% net margin) while ZETA runs a net loss (-0.14%).
•ZETA grew revenue faster over the past five years (30.31% vs 22.51% CAGR).

Metrics side by side

Valuation

Metric	RMBS	ZETA
P/E ratio	38.86	N/A
Forward P/E	27.91	31.36
P/S ratio	12.31	4.31
P/B ratio	6.35	7.31
EV / EBITDA	30.44	58.89
FCF yield	3.22%	3.31%

Profitability

Metric	RMBS	ZETA
Gross margin	78.27%	61.31%
Operating margin	35.51%	1.91%
Net margin	31.69%	-0.14%
ROE	16.34%	-0.23%
ROIC	14.56%	2.53%

Growth (annualized)

Metric	RMBS	ZETA
Revenue CAGR (5Y)	22.51%	30.31%
FCF CAGR (5Y)	14.08%	77.57%
Total return CAGR (5Y)	28.26%	33.65%

Frequently asked

Which has grown faster, RMBS or ZETA?: Over the past five years, ZETA grew revenue faster — RMBS at a 22.51% CAGR versus ZETA at 30.31%.
Is RMBS or ZETA more profitable?: RMBS runs the higher net margin — RMBS at 31.69% versus ZETA at -0.14%.
How have RMBS and ZETA total returns compared?: Over the past 5 years, RMBS delivered 19.42% and ZETA delivered 33.65% annualized total return. Past performance doesn't predict future results.

Go deeper

Full RMBS analysis Full ZETA analysis Interactive comparison tool

Dig into the metrics

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

Rambus & Zeta Global 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 3, 2026.