ASE Technology vs Powertech Technology (PTI)

Both are primarily Outsourced Assembly & Test companies. Powertech Technology (PTI) has a tracked market cap of $7.0B; ASE Technology is currently unpriced in the dataset. ASE Technology reports higher tracked revenue ($20.6B vs $2.4B).

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Side-by-side

ASE TechnologyPowertech Technology (PTI)
Market capUnpriced$7.0B
Revenue$20.6B (FY2025)$2.4B (FY2025)
Primary segmentOutsourced Assembly & TestOutsourced Assembly & Test
Market positionleadermajor
CountryTaiwanTaiwan
Tracked suppliers208
Tracked customers729
Chokepoint / criticality81/10068/100

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 ASE Technology and Powertech Technology (PTI) compare

  • Revenue: ASE Technology reports higher tracked revenue.
  • Supply-chain criticality: ASE Technology has the higher chokepoint score (81/100 vs 68/100).
  • Footprint: ASE Technology (Taiwan) vs Powertech Technology (PTI) (Taiwan).

Company hubs

ASE Technology · Powertech Technology (PTI) · OSAT segment

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Cite as: wafergraph, “ASE Technology vs Powertech Technology (PTI)”, https://wafergraph.com/compare/ase-vs-powertech (data as of 2026-10-09).

Frequently asked questions3
Is ASE Technology bigger than Powertech Technology (PTI)?
By tracked revenue, ASE Technology is larger ($20.6B vs $2.4B).
What's the difference between ASE Technology and Powertech Technology (PTI)?
ASE Technology is a leader in Outsourced Assembly & Test based in Taiwan; Powertech Technology (PTI) is a major in Outsourced Assembly & Test based in Taiwan. Both operate in the OSAT segment.
Who are ASE Technology's and Powertech Technology (PTI)'s suppliers?
wafergraph tracks 20 suppliers for ASE Technology and 8 for Powertech Technology (PTI) — ASE Technology's include Tokyo Electron, Advantest, Teradyne.