Astera Labsvs.Amphenol
ALAB vs APH · both in Data centers, part of the AI & digital infrastructure value chain: Servers, networking, optics and data center capacity that tie AI infrastructure together.
Amphenol is about 2.8× larger than Astera Labs by market cap; Amphenol trades at the lower P/E (43.8 vs 264.5); year to date, Astera Labs leads (+148.2% vs +17.7%).
Side by side
| ALAB | APH | |
|---|---|---|
| Market cap | $70.8B | $196B |
| Price | $412.97 | $159.06 |
| Today | −1.1% | −2.0% |
| Return YTD | +148.2% | +17.7% |
| Return 1Y | +325.7% | +61.8% |
| P/E | 264.5 | 43.8 |
| P/S | 70.7 | 7.6 |
| P/B | 47.4 | 14.0 |
Data as of 2026-07-11 · updates daily after U.S. close
The two companies
Astera LabsALAB
Supplies connectivity chips (PCIe/CXL retimers, optical modules) that resolve signal integrity issues between GPUs, CPUs and memory in AI servers.
Full ALAB profile →AmphenolAPH
Interconnect technology, cables and sensors; a key supplier of high-speed interconnect for AI servers and data centers.
Full APH profile →More comparisons in Data centers
See where ALAB and APH sit in the full AI & digital infrastructure map — every segment from suppliers to end markets.Open the AI value chain →