Amphenolvs.Cisco
APH vs CSCO · both in Data centers, part of the AI & digital infrastructure value chain: Servers, networking, optics and data center capacity that tie AI infrastructure together.
Cisco is about 2.4× larger than Amphenol by market cap; year to date, Cisco leads (+57.5% vs +17.7%).
Side by side
| APH | CSCO | |
|---|---|---|
| Market cap | $196B | $478B |
| Price | $159.06 | $121.31 |
| Today | −2.0% | +2.5% |
| Return YTD | +17.7% | +57.5% |
| Return 1Y | +61.8% | +76.4% |
| P/E | 43.8 | 40.0 |
| P/S | 7.6 | 7.9 |
| P/B | 14.0 | 9.8 |
Data as of 2026-07-11 · updates daily after U.S. close
The two companies
AmphenolAPH
Interconnect technology, cables and sensors; a key supplier of high-speed interconnect for AI servers and data centers.
Full APH profile →CiscoCSCO
The world's largest networking company — broad portfolio of switches, routers and security with a growing AI order book among hyperscalers.
Full CSCO profile →More comparisons in Data centers
See where APH and CSCO sit in the full AI & digital infrastructure map — every segment from suppliers to end markets.Open the AI value chain →