Amkor Technology vs LB Semicon

Both are primarily Outsourced Assembly & Test companies. Amkor Technology is larger by market cap ($12.7B vs $240M).

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Side-by-side

Amkor TechnologyLB Semicon
Market cap$12.7B$240M
Revenue$6.7B (FY2025)—
Primary segmentOutsourced Assembly & TestOutsourced Assembly & Test
Market positionmajorniche
CountryUnited StatesSouth Korea
Tracked suppliers160
Tracked customers66
Chokepoint / criticality68/10050/100

Market caps/revenue from the wafergraph dataset · data as of 2026-10-09. Criticality is a graph-derived chokepoint score (0–100). Coverage is partial; "Unpriced" means no reliable market cap.

How Amkor Technology and LB Semicon compare

  • Size: Amkor Technology is the larger company by market cap.
  • Supply-chain criticality: Amkor Technology has the higher chokepoint score (68/100 vs 50/100).
  • Footprint: Amkor Technology (United States) vs LB Semicon (South Korea).

Company hubs

Amkor Technology · LB Semicon · OSAT segment

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Cite as: wafergraph, “Amkor Technology vs LB Semicon”, https://wafergraph.com/compare/amkor-vs-lb_semicon (data as of 2026-10-09).

Frequently asked questions3
Is Amkor Technology bigger than LB Semicon?
Amkor Technology is larger by market cap ($12.7B vs $240M).
What's the difference between Amkor Technology and LB Semicon?
Amkor Technology is a major in Outsourced Assembly & Test based in United States; LB Semicon is a niche in Outsourced Assembly & Test based in South Korea. Both operate in the OSAT segment.
Who are Amkor Technology's and LB Semicon's suppliers?
wafergraph tracks 16 suppliers for Amkor Technology and 0 for LB Semicon — Amkor Technology's include Teradyne, DISCO, BE Semiconductor Industries.