ASE Technology (ASX) vs Monolithic Power Systems (MPWR)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 9, 2026.
Summary
ASE Technology (ASX) has outperformed Monolithic Power Systems (MPWR) over the past year, gaining 281.6% versus a gain of 39.6%. Over five years, ASX leads with a +557.8% price change compared with +184.8% for MPWR. ASE Technology is the larger company by market cap ($102.09 billion vs $68.75 billion), about 1.5 times the size, while Monolithic Power Systems is growing revenue faster (+26.4% vs +13.3%).
On valuation, ASE Technology trades at a lower forward P/E (23.8x vs 40.0x for Monolithic Power Systems). Monolithic Power Systems pays a dividend yielding 0.51%, while ASE Technology does not currently pay one. Monolithic Power Systems converts more of its revenue into profit, with a net margin of 22.3% versus 6.2%.
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | ASX | MPWR |
|---|---|---|
| Share price | $46.43 | $1,398.93 |
| Market cap | $102.09B | $68.75B |
| 1-day change | +2.58% | +2.13% |
| YTD return | +181.12% | +51.13% |
| 1-year return | +281.62% | +39.65% |
| 5-year return | +557.85% | +184.76% |
| P/E ratio (TTM) | 55.27 | 85.09 |
| Forward P/E | 23.77 | 40.00 |
| EPS (TTM) | $0.84 | $16.44 |
| Dividend yield | 0.92% | 0.51% |
| Annual dividend | $0.00 | $7.12 |
| Revenue (latest FY) | $20.57B | $2.79B |
| Revenue growth (YoY) | +13.30% | +26.43% |
| Net income (latest FY) | $1.28B | $621.48M |
| Gross margin | 17.69% | 55.18% |
| Operating margin | 7.97% | 26.11% |
| Net margin | 6.20% | 22.27% |
| 52-week high | $47.93 | $1,714.09 |
| 52-week low | $11.07 | $833.18 |
| Distance from 52-week high | -3.13% | -18.39% |
| Analyst consensus | none | strong_buy |
| Avg. price target upside | +9.85% | +31.51% |
| Average volume | 7.40M | 741.16K |
| Shares outstanding | 2.20B | 49.14M |
| Employees | 114,179 | 4,501 |
| Sector | Technology | Technology |
| Industry | Semiconductors | Semiconductors |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- ASX has outperformed MPWR by 242.0 percentage points over the past year.
- Monolithic Power Systems trades at a higher earnings multiple (85.1x vs 55.3x trailing P/E).
- Monolithic Power Systems is more profitable, keeping 22.3 cents of every revenue dollar as net income versus 6.2 cents for ASE Technology.
- Monolithic Power Systems grew revenue faster in its latest fiscal year (+26.43% vs +13.30%).
About ASE Technology
ASX stock →ASE Technology Holding Co., Ltd., together with its subsidiaries, provides semiconductor manufacturing services in the United States, Taiwan, rest of Asia, Europe, and internationally. It operates through Packaging, Testing, and EMS.
Technology · Semiconductors · 114,179 employees
About Monolithic Power Systems
MPWR stock →Monolithic Power Systems, Inc. provides semiconductor-based power electronics solutions in China, Taiwan, South Korea, Southeast Asia, Europe, the United States, Japan, and internationally.
Technology · Semiconductors · 4,501 employees
ASX vs MPWR FAQ
Which is bigger, ASE Technology or Monolithic Power Systems?
ASE Technology (ASX) is larger, with a market capitalization of $102.09B compared with $68.75B for Monolithic Power Systems (MPWR).
Which stock has performed better over the past year, ASX or MPWR?
ASX returned +281.62% over the past 12 months, compared with +39.65% for MPWR (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, ASX or MPWR?
ASX has the lower trailing P/E at 55.3, versus 85.1 for MPWR. A lower P/E is not by itself a sign of a better investment; it can reflect slower expected growth or higher risk.
Which pays a higher dividend, ASE Technology or Monolithic Power Systems?
ASE Technology has the higher yield at 0.92%, compared with 0.51% for Monolithic Power Systems.
Are ASE Technology and Monolithic Power Systems in the same industry?
Yes. Both are classified in the Semiconductors industry within the Technology sector.