Diodes (DIOD) vs Power Integrations (POWI)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 9, 2026.
Summary
Diodes (DIOD) has outperformed Power Integrations (POWI) over the past year, gaining 83.0% versus a gain of 29.8%. Over five years, DIOD leads with a +9.9% price change compared with -49.3% for POWI. Diodes is the larger company by market cap ($4.43 billion vs $2.79 billion), about 1.6 times the size.
On valuation, Diodes trades at a lower forward P/E (16.5x vs 26.6x for Power Integrations). Power Integrations pays a dividend yielding 1.70%, while Diodes does not currently pay one. Power Integrations converts more of its revenue into profit, with a net margin of 5.0% versus 4.5%.
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 | DIOD | POWI |
|---|---|---|
| Share price | $96.24 | $49.89 |
| Market cap | $4.43B | $2.79B |
| 1-day change | -4.38% | -2.94% |
| YTD return | +95.05% | +40.38% |
| 1-year return | +83.04% | +29.82% |
| 5-year return | +9.94% | -49.27% |
| P/E ratio (TTM) | 51.47 | 116.02 |
| Forward P/E | 16.51 | 26.63 |
| EPS (TTM) | $1.87 | $0.43 |
| Dividend yield | 0.00% | 1.70% |
| Annual dividend | $0.00 | $0.85 |
| Revenue (latest FY) | $1.48B | $443.50M |
| Revenue growth (YoY) | +13.04% | +5.86% |
| Net income (latest FY) | $66.14M | $22.09M |
| Gross margin | 31.20% | 54.49% |
| Operating margin | 2.39% | 2.30% |
| Net margin | 4.46% | 4.98% |
| 52-week high | $125.99 | $91.18 |
| 52-week low | $42.28 | $30.86 |
| Distance from 52-week high | -23.61% | -45.28% |
| Analyst consensus | strong_buy | buy |
| Avg. price target upside | +59.32% | +51.33% |
| Average volume | 570.23K | 736.44K |
| Shares outstanding | 46.05M | 55.87M |
| Employees | 7,989 | 877 |
| 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
- DIOD has outperformed POWI by 53.2 percentage points over the past year.
- Power Integrations trades at a higher earnings multiple (116.0x vs 51.5x trailing P/E).
- Power Integrations offers a meaningfully higher dividend yield (1.70% vs 0.00%).
- Diodes grew revenue faster in its latest fiscal year (+13.04% vs +5.86%).
About Diodes
DIOD stock →Diodes Incorporated, together with its subsidiaries, provides semiconductor products in Asia, the Americas, and Europe. The company offers MOSFET and SiC MOSFET discrete semiconductor products; data line protection, power line protection, thyrister, USB Type-C protection, and transient voltage suppressor protection devices; Schottky diodes, small signal switching diodes, Zener diodes, and SiC diodes; and bridges, super barrier rectifiers, Schottky rectifiers, Schottky bridge rectifiers, and fast and ultra-fast rectifiers.
Technology · Semiconductors · 7,989 employees
About Power Integrations
POWI stock →Power Integrations, Inc. designs, develops, manufactures, and markets analog and mixed-signal integrated circuits, and other electronic components and circuitry used in high-voltage power conversion.
Technology · Semiconductors · 877 employees
DIOD vs POWI FAQ
Which is bigger, Diodes or Power Integrations?
Diodes (DIOD) is larger, with a market capitalization of $4.43B compared with $2.79B for Power Integrations (POWI).
Which stock has performed better over the past year, DIOD or POWI?
DIOD returned +83.04% over the past 12 months, compared with +29.82% for POWI (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, DIOD or POWI?
DIOD has the lower trailing P/E at 51.5, versus 116.0 for POWI. 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, Diodes or Power Integrations?
Power Integrations pays a dividend yielding 1.70%, while Diodes does not currently pay a regular dividend.
Are Diodes and Power Integrations in the same industry?
Yes. Both are classified in the Semiconductors industry within the Technology sector.