Amphenol (APH) vs Teradyne (TER)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
Teradyne (TER) has outperformed Amphenol (APH) over the past year, gaining 193.8% versus a gain of 40.6%. Over five years, APH leads with a +354.4% price change compared with +261.5% for TER. Amphenol is the larger company by market cap ($215.90 billion vs $64.38 billion), about 3.4 times the size.
On valuation, Amphenol trades at a lower forward P/E (26.4x vs 35.3x for Teradyne). Amphenol offers the higher dividend yield (0.52% vs 0.12%). Amphenol converts more of its revenue into profit, with a net margin of 18.5% versus 17.4%.
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 | APH | TER |
|---|---|---|
| Share price | $87.55 | $411.78 |
| Market cap | $215.90B | $64.38B |
| 1-day change | -1.21% | -4.31% |
| YTD return | +29.57% | +112.74% |
| 1-year return | +40.61% | +193.83% |
| 5-year return | +354.39% | +261.46% |
| P/E ratio (TTM) | 44.22 | 59.08 |
| Forward P/E | 26.39 | 35.34 |
| EPS (TTM) | $1.98 | $6.97 |
| Dividend yield | 0.52% | 0.12% |
| Annual dividend | $0.458 | $0.50 |
| Revenue (latest FY) | $23.09B | $3.19B |
| Revenue growth (YoY) | +51.71% | +13.13% |
| Net income (latest FY) | $4.27B | $554.05M |
| Gross margin | 36.88% | 58.22% |
| Operating margin | 25.41% | 20.38% |
| Net margin | 18.49% | 17.37% |
| 52-week high | $89.93 | $487.91 |
| 52-week low | $59.01 | $131.75 |
| Distance from 52-week high | -2.65% | -15.60% |
| Analyst consensus | strong_buy | buy |
| Avg. price target upside | +15.69% | +8.42% |
| Average volume | 12.40M | 2.87M |
| Shares outstanding | 2.47B | 156.34M |
| Employees | 170,000 | 6,600 |
| Sector | Technology | Industrials |
| Industry | Electrical Products | Electrical Products |
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
- Amphenol is about 3.4 times larger than Teradyne by market value ($215.90B vs $64.38B).
- TER has outperformed APH by 153.2 percentage points over the past year.
- Teradyne trades at a higher earnings multiple (59.1x vs 44.2x trailing P/E).
- Amphenol grew revenue faster in its latest fiscal year (+51.71% vs +13.13%).
- The two companies sit in different sectors: Amphenol in Technology and Teradyne in Industrials.
About Amphenol
APH stock →Amphenol Corporation, together with its subsidiaries, designs, manufactures, and markets electrical, electronic, and fiber optic connectors in the United States, China, and internationally. It operates through three segments: Communications Solutions, Harsh Environment Solutions, and Interconnect and Sensor Systems.
Technology · Electrical Products · 170,000 employees
About Teradyne
TER stock →Teradyne, Inc. engages in the design, development, manufacture, and sale of automated test systems and robotics products in the United States, Asia Pacific, Europe, the Middle East, and Africa.
Industrials · Electrical Products · 6,600 employees
APH vs TER FAQ
Which is bigger, Amphenol or Teradyne?
Amphenol (APH) is larger, with a market capitalization of $215.90B compared with $64.38B for Teradyne (TER).
Which stock has performed better over the past year, APH or TER?
TER returned +193.83% over the past 12 months, compared with +40.61% for APH (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, APH or TER?
APH has the lower trailing P/E at 44.2, versus 59.1 for TER. 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, Amphenol or Teradyne?
Amphenol has the higher yield at 0.52%, compared with 0.12% for Teradyne.
Are Amphenol and Teradyne in the same industry?
Yes. Both are classified in the Electrical Products industry within the Technology sector.