Amkor Technology vs Tongfu Microelectronics
Both are primarily Outsourced Assembly & Test companies. Amkor Technology is larger by market cap ($13.9B vs $13.5B). Amkor Technology reports higher tracked revenue ($6.7B vs $4.2B).
Shared segment: OSAT.
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Side-by-side
| Amkor Technology | Tongfu Microelectronics | |
|---|---|---|
| Market cap | $13.9B | $13.5B |
| Revenue | $6.7B (FY2025) | $4.2B (FY2025) |
| Primary segment | Outsourced Assembly & Test | Outsourced Assembly & Test |
| Market position | major | major |
| Country | United States | China |
| Tracked suppliers | 16 | 8 |
| Tracked customers | 6 | 6 |
| Chokepoint / criticality | 68/100 | 68/100 |
Market caps/revenue from the wafergraph dataset · data as of 2026-10-04. Criticality is a graph-derived chokepoint score (0–100). Coverage is partial; "Unpriced" means no reliable market cap.
How Amkor Technology and Tongfu Microelectronics 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 Tongfu Microelectronics (China).
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Cite as: wafergraph, “Amkor Technology vs Tongfu Microelectronics”, https://wafergraph.com/compare/amkor-vs-tongfu (data as of 2026-10-04).
Frequently asked questions3
- Is Amkor Technology bigger than Tongfu Microelectronics?
- Amkor Technology is larger by market cap ($13.9B vs $13.5B).
- What's the difference between Amkor Technology and Tongfu Microelectronics?
- Amkor Technology is a major in Outsourced Assembly & Test based in United States; Tongfu Microelectronics is a major in Outsourced Assembly & Test based in China. Both operate in the OSAT segment.
- Who are Amkor Technology's and Tongfu Microelectronics's suppliers?
- wafergraph tracks 16 suppliers for Amkor Technology and 8 for Tongfu Microelectronics — Amkor Technology's include Teradyne, DISCO, BE Semiconductor Industries.