Arm (ARM) vs Monolithic Power Systems (MPWR)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 7, 2026.
Summary
Arm (ARM) has outperformed Monolithic Power Systems (MPWR) over the past year, gaining 84.7% versus a gain of 50.8%. Arm is the larger company by market cap ($314.39 billion vs $70.08 billion), about 4.5 times the size, while Monolithic Power Systems is growing revenue faster (+26.4% vs +22.8%). On valuation, Monolithic Power Systems trades at a lower forward P/E (40.8x vs 96.1x for Arm).
Monolithic Power Systems pays a dividend yielding 0.50%, while Arm does not currently pay one. Monolithic Power Systems converts more of its revenue into profit, with a net margin of 22.3% versus 18.4%.
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 | ARM | MPWR |
|---|---|---|
| Share price | $294.37 | $1,425.98 |
| Market cap | $314.39B | $70.08B |
| 1-day change | -2.71% | -3.24% |
| YTD return | +169.30% | +57.33% |
| 1-year return | +84.74% | +50.82% |
| 5-year return | — | +196.44% |
| P/E ratio (TTM) | 303.47 | 86.74 |
| Forward P/E | 96.11 | 40.77 |
| EPS (TTM) | $0.97 | $16.44 |
| Dividend yield | 0.00% | 0.50% |
| Annual dividend | $0.00 | $7.12 |
| Revenue (latest FY) | $4.92B | $2.79B |
| Revenue growth (YoY) | +22.79% | +26.43% |
| Net income (latest FY) | $904.00M | $621.48M |
| Gross margin | 97.54% | 55.18% |
| Operating margin | 18.29% | 26.11% |
| Net margin | 18.37% | 22.27% |
| 52-week high | $452.70 | $1,714.09 |
| 52-week low | $100.02 | $833.18 |
| Distance from 52-week high | -34.97% | -16.81% |
| Analyst consensus | buy | strong_buy |
| Avg. price target upside | -1.24% | +29.02% |
| Average volume | 5.25M | 745.22K |
| Shares outstanding | 1.07B | 49.14M |
| Employees | 9,584 | 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
- Arm is about 4.5 times larger than Monolithic Power Systems by market value ($314.39B vs $70.08B).
- ARM has outperformed MPWR by 33.9 percentage points over the past year.
- Arm trades at a higher earnings multiple (303.5x vs 86.7x trailing P/E).
About Arm
ARM stock →Arm Holdings plc researches, develops, licenses, and markets central processing unit (CPU) intellectual property (IP), graphics processing unit IP, systems IP, compute subsystems (CSS), and associated software, tools and related services. The company provides a product portfolio, including CPU IP, GPU and neural processing unit (NPU) accelerators, system IP such as interconnects, compute platform products including pre-integrated CSSs, and development tools and software.
Technology · Semiconductors · 9,584 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
ARM vs MPWR FAQ
Which is bigger, Arm or Monolithic Power Systems?
Arm (ARM) is larger, with a market capitalization of $314.39B compared with $70.08B for Monolithic Power Systems (MPWR).
Which stock has performed better over the past year, ARM or MPWR?
ARM returned +84.74% over the past 12 months, compared with +50.82% for MPWR (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, ARM or MPWR?
MPWR has the lower trailing P/E at 86.7, versus 303.5 for ARM. 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, Arm or Monolithic Power Systems?
Monolithic Power Systems pays a dividend yielding 0.50%, while Arm does not currently pay a regular dividend.
Are Arm and Monolithic Power Systems in the same industry?
Yes. Both are classified in the Semiconductors industry within the Technology sector.