Amkor Technology vs Powertech Technology (PTI)

Both are primarily Outsourced Assembly & Test companies. Amkor Technology is larger by market cap ($13.9B vs $6.8B). Amkor Technology reports higher tracked revenue ($6.7B vs $2.4B).

Shared segment: OSAT.

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Side-by-side

Amkor TechnologyPowertech Technology (PTI)
Market cap$13.9B$6.8B
Revenue$6.7B (FY2025)$2.4B (FY2025)
Primary segmentOutsourced Assembly & TestOutsourced Assembly & Test
Market positionmajormajor
CountryUnited StatesTaiwan
Tracked suppliers168
Tracked customers69
Chokepoint / criticality68/10068/100

Market caps/revenue from the wafergraph dataset · data as of 2026-10-05. Criticality is a graph-derived chokepoint score (0–100). Coverage is partial; "Unpriced" means no reliable market cap.

How Amkor Technology and Powertech Technology (PTI) compare

  • Size: Amkor Technology is the larger company by market cap.
  • Revenue: Amkor Technology reports higher tracked revenue.
  • Supply-chain criticality: Both companies have the same chokepoint score (68/100).
  • Footprint: Amkor Technology (United States) vs Powertech Technology (PTI) (Taiwan).

Company hubs

Amkor Technology · Powertech Technology (PTI) · OSAT segment

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Cite as: wafergraph, “Amkor Technology vs Powertech Technology (PTI)”, https://wafergraph.com/compare/amkor-vs-powertech (data as of 2026-10-05).

Frequently asked questions3
Is Amkor Technology bigger than Powertech Technology (PTI)?
Amkor Technology is larger by market cap ($13.9B vs $6.8B).
What's the difference between Amkor Technology and Powertech Technology (PTI)?
Amkor Technology is a major in Outsourced Assembly & Test based in United States; Powertech Technology (PTI) is a major in Outsourced Assembly & Test based in Taiwan. Both operate in the OSAT segment.
Who are Amkor Technology's and Powertech Technology (PTI)'s suppliers?
wafergraph tracks 16 suppliers for Amkor Technology and 8 for Powertech Technology (PTI) — Amkor Technology's include Teradyne, DISCO, BE Semiconductor Industries.