Is RMBS or X cheaper?

On trailing earnings, RMBS is cheaper: RMBS trades at a 69.79 P/E and X at 189.10.

Which has grown faster, RMBS or X?

Over the past five years, RMBS grew revenue faster — RMBS at a 23.51% CAGR versus X at 4.51%.

Does RMBS or X pay a bigger dividend?

X pays a dividend (0.36% yield) while RMBS does not currently pay one.

Is RMBS or X more profitable?

RMBS runs the higher net margin — RMBS at 31.89% versus X at 0.64%.

Which has been the better investment, RMBS or X?

Over the past 10-year, RMBS delivered the higher annualized total return — RMBS at 28.27% versus X at 9.88%. Past performance doesn't predict future results.

Rambus Inc. (RMBS) vs United States Steel Corporation (X)

RMBS leads on 9 of 13 compared metrics.

A side-by-side comparison of Rambus Inc. and United States Steel Corporation 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).

United States Steel Corporation

$12.42B

$54.84Basic Materials

Total return — RMBS vs X

growth of $100 · last 28y

RMBS +700.7%X +78.3%RMBS compounded faster

RMBS X

RMBS vs X: by the numbers

•RMBS is the larger company ($15.85B vs $12.42B market cap).
•RMBS trades at the lower earnings multiple (69.79 vs 189.10 P/E).
•RMBS converts more revenue to profit (31.89% vs 0.64% net margin).
•RMBS grew revenue faster over the past five years (23.51% vs 4.51% CAGR).
•X pays a dividend (0.36% yield) while RMBS does not currently pay one.

Which is better, RMBS or X?

Metric tally: RMBS 9 · X 4

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	RMBS	X
P/E ratio	69.79●	189.10
Forward P/E	49.34	—
P/S ratio	22.30	0.81●
P/B ratio	11.54	0.77●
PEG ratio	1.53	—
EV / EBITDA	52.03	10.84●
FCF yield	2.08%	—

Profitability

Metric	RMBS	X
Gross margin	77.03%●	7.57%
Operating margin	35.89%●	-2.36%
Net margin	31.89%●	0.64%
ROE	16.51%●	0.61%
ROIC	15.03%●	1.24%

Dividends

Metric	RMBS	X
Dividend yield	—	0.36%
Payout ratio	—	11.70%

Growth (annualized)

Metric	RMBS	X
Revenue CAGR (5Y)	23.51%●	4.51%
EPS CAGR (5Y)	48.76%●	-19.55%
FCF CAGR (5Y)	16.48%	24.58%●
Total return CAGR (5Y)	49.06%●	47.40%

Frequently asked

Which is better, RMBS or X?: 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 9 to 4.
Is RMBS or X cheaper?: On trailing earnings, RMBS is cheaper: RMBS trades at a 69.79 P/E and X at 189.10.
Which has grown faster, RMBS or X?: Over the past five years, RMBS grew revenue faster — RMBS at a 23.51% CAGR versus X at 4.51%.
Does RMBS or X pay a bigger dividend?: X pays a dividend (0.36% yield) while RMBS does not currently pay one.
Is RMBS or X more profitable?: RMBS runs the higher net margin — RMBS at 31.89% versus X at 0.64%.
Which has been the better investment, RMBS or X?: Over the past 10-year, RMBS delivered the higher annualized total return — RMBS at 28.27% versus X at 9.88%. Past performance doesn't predict future results.

Go deeper

Full RMBS analysis Full X analysis Interactive comparison tool

Dig into the metrics

Rambus P/E ratio United States Steel P/E ratio Rambus dividend yield United States Steel dividend yield Rambus ROE United States Steel ROE Rambus operating margin United States Steel operating margin Rambus revenue growth United States Steel revenue growth Rambus free cash flow United States Steel free cash flow

Rambus & United States Steel 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 14, 2026.