Amkor Technology vs King Yuan Electronics (KYEC)
Both are primarily Outsourced Assembly & Test companies. Amkor Technology is larger by market cap ($13.9B vs $11.9B). Amkor Technology reports higher tracked revenue ($6.7B vs $1.1B).
Shared segment: OSAT.
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Side-by-side
| Amkor Technology | King Yuan Electronics (KYEC) | |
|---|---|---|
| Market cap | $13.9B | $11.9B |
| Revenue | $6.7B (FY2025) | $1.1B (FY2025) |
| Primary segment | Outsourced Assembly & Test | Outsourced Assembly & Test |
| Market position | major | major |
| Country | United States | Taiwan |
| Tracked suppliers | 16 | 0 |
| Tracked customers | 6 | 7 |
| 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 King Yuan Electronics (KYEC) 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 King Yuan Electronics (KYEC) (Taiwan).
Company hubs
Amkor Technology · King Yuan Electronics (KYEC) · OSAT segment
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Cite as: wafergraph, “Amkor Technology vs King Yuan Electronics (KYEC)”, https://wafergraph.com/compare/amkor-vs-kyec (data as of 2026-10-04).
Frequently asked questions3
- Is Amkor Technology bigger than King Yuan Electronics (KYEC)?
- Amkor Technology is larger by market cap ($13.9B vs $11.9B).
- What's the difference between Amkor Technology and King Yuan Electronics (KYEC)?
- Amkor Technology is a major in Outsourced Assembly & Test based in United States; King Yuan Electronics (KYEC) is a major in Outsourced Assembly & Test based in Taiwan. Both operate in the OSAT segment.
- Who are Amkor Technology's and King Yuan Electronics (KYEC)'s suppliers?
- wafergraph tracks 16 suppliers for Amkor Technology and 0 for King Yuan Electronics (KYEC) — Amkor Technology's include Teradyne, DISCO, BE Semiconductor Industries.