Astera Labsvs.Coherent
ALAB vs COHR · both in Data centers, part of the AI & digital infrastructure value chain: Servers, networking, optics and data center capacity that tie AI infrastructure together.
Astera Labs and Coherent are similar in size by market cap; Coherent trades at the lower P/E (135.4 vs 264.5); year to date, Astera Labs leads (+148.2% vs +75.8%).
Side by side
| ALAB | COHR | |
|---|---|---|
| Market cap | $70.8B | $63.5B |
| Price | $412.97 | $324.50 |
| Today | −1.1% | −0.8% |
| Return YTD | +148.2% | +75.8% |
| Return 1Y | +325.7% | +246.2% |
| P/E | 264.5 | 135.4 |
| P/S | 70.7 | 9.6 |
| P/B | 47.4 | 5.9 |
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 →CoherentCOHR
Produces optical transceivers and lasers — the components that transmit data as light between AI servers and data centers.
Full COHR profile →More comparisons in Data centers
See where ALAB and COHR sit in the full AI & digital infrastructure map — every segment from suppliers to end markets.Open the AI value chain →