Amkor Technology vs ASE Technology

ASE Technology is larger by market cap ($100.6B vs $13.5B). ASE Technology reports higher tracked revenue ($20.6B vs $6.7B). Both are primarily Outsourced Assembly & Test companies.

Shared segment: OSAT.

Side-by-side

Amkor TechnologyASE Technology
Market cap$13.5B$100.6B
Revenue$6.7B (FY2025)$20.6B (FY2025)
Primary segmentOutsourced Assembly & TestOutsourced Assembly & Test
Market positionmajorleader
CountryUnited StatesTaiwan
Tracked suppliers1620
Tracked customers672
Chokepoint / criticality68/10081/100

Market caps/revenue from the wafergraph dataset · data as of 2026-08-12. Criticality is a graph-derived chokepoint score (0–100). Coverage is partial; "Unpriced" means no reliable market cap.

How Amkor Technology and ASE Technology compare

  • Size: ASE Technology is the larger company by market cap.
  • Revenue: ASE Technology reports higher tracked revenue.
  • Supply-chain criticality: ASE Technology has the higher chokepoint score (81/100 vs 68/100).
  • Footprint: Amkor Technology (United States) vs ASE Technology (Taiwan).

Company hubs

Amkor Technology · ASE Technology · OSAT segment

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