Which has grown faster, AAOI or SIMO?

Over the past five years, AAOI grew revenue faster — AAOI at a 20.68% CAGR versus SIMO at 14.30%.

Does AAOI or SIMO pay a bigger dividend?

SIMO pays a dividend (0.71% yield), while AAOI has no payments in the available dividend history.

Is AAOI or SIMO more profitable?

SIMO runs the higher net margin — AAOI at -9.57% versus SIMO at 22.06%.

How have AAOI and SIMO total returns compared?

Over the past 10 years, AAOI delivered 17.93% and SIMO delivered 21.20% annualized total return. Past performance doesn't predict future results.

Applied Optoelectronics, Inc. (AAOI) vs Silicon Motion Technology Corporation (SIMO)

A side-by-side comparison of Applied Optoelectronics, Inc. and Silicon Motion Technology Corporation across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of October 4, 2026. Differences are shown without an overall score or investment verdict.

AAOI

Applied Optoelectronics, Inc.

$9.28B

$115.59TechnologyDelayed quote: Oct 2, 2026, 4:00 PM EDT

SIMO

Silicon Motion Technology Corporation

$9.41B

$280.50TechnologyDelayed quote: Oct 2, 2026, 4:00 PM EDT

Total return — AAOI vs SIMO

growth of $100 · dividends reinvested · last 10y

AAOI +439.1% (+18.4%/yr)SIMO +585.5% (+21.2%/yr)SIMO compounded faster over this window

AAOI SIMO

AAOI vs SIMO: by the numbers

•SIMO is the larger company ($9.41B vs $9.28B market cap).
•SIMO is profitable (22.06% net margin) while AAOI runs a net loss (-9.57%).
•AAOI grew revenue faster over the past five years (20.68% vs 14.30% CAGR).
•SIMO pays a dividend (0.71% yield), while AAOI has no payments in the available dividend history.

Metrics side by side

Valuation

Metric	AAOI	SIMO
P/E ratio	N/A	8.21
Forward P/E	156.20	25.07
PEG ratio	N/A	0.18
P/S ratio	15.56	7.17
P/B ratio	5.56	8.99
EV / EBITDA	N/A	37.89

Profitability

Metric	AAOI	SIMO
Gross margin	28.92%	48.87%
Operating margin	-11.31%	16.31%
Net margin	-9.57%	22.06%
ROE	-3.42%	27.68%
ROIC	-3.49%	14.77%

Dividends

Metric	AAOI	SIMO
Dividend yield	N/A	0.71%
Payout ratio	N/A	5.85%

Growth (annualized)

Metric	AAOI	SIMO
Revenue CAGR (5Y)	20.68%	14.30%
EPS CAGR (5Y)	N/A	44.85%
Total return CAGR (5Y)	74.24%	35.29%

Frequently asked

Which has grown faster, AAOI or SIMO?: Over the past five years, AAOI grew revenue faster — AAOI at a 20.68% CAGR versus SIMO at 14.30%.
Does AAOI or SIMO pay a bigger dividend?: SIMO pays a dividend (0.71% yield), while AAOI has no payments in the available dividend history.
Is AAOI or SIMO more profitable?: SIMO runs the higher net margin — AAOI at -9.57% versus SIMO at 22.06%.
How have AAOI and SIMO total returns compared?: Over the past 10 years, AAOI delivered 17.93% and SIMO delivered 21.20% annualized total return. Past performance doesn't predict future results.

Go deeper

Full AAOI analysis Full SIMO analysis Interactive comparison tool

Dig into the metrics

Silicon Motion Technology P/E ratio Silicon Motion Technology dividend yield Applied Optoelectronics ROE Silicon Motion Technology ROE Applied Optoelectronics operating margin Silicon Motion Technology operating margin Applied Optoelectronics revenue growth Silicon Motion Technology revenue growth Applied Optoelectronics free cash flow Silicon Motion Technology free cash flow

Applied Optoelectronics & Silicon Motion Technology appear in these rankings

Fastest Revenue Growth Stocks Highest ROE Stocks Highest 10-Year Total Return Stocks Lowest P/E Ratio 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 October 4, 2026.