United Microelectronics (UMC) vs X-FAB
Both are primarily Pure-Play Foundry companies. United Microelectronics (UMC) is larger by market cap ($57.2B vs $930M). United Microelectronics (UMC) reports higher tracked revenue ($7.1B vs $868M).
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Side-by-side
| United Microelectronics (UMC) | X-FAB | |
|---|---|---|
| Market cap | $57.2B | $930M |
| Revenue | $7.1B (FY2024) | $868M (FY2025) |
| Primary segment | Pure-Play Foundry | Pure-Play Foundry |
| Market position | major | niche |
| Country | Taiwan | Germany |
| Tracked suppliers | 24 | 1 |
| Tracked customers | 15 | 8 |
| Chokepoint / criticality | 69/100 | 51/100 |
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 United Microelectronics (UMC) and X-FAB compare
- Size: United Microelectronics (UMC) is the larger company by market cap.
- Revenue: United Microelectronics (UMC) reports higher tracked revenue.
- Supply-chain criticality: United Microelectronics (UMC) has the higher chokepoint score (69/100 vs 51/100).
- Footprint: United Microelectronics (UMC) (Taiwan) vs X-FAB (Germany).
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Cite as: wafergraph, “United Microelectronics (UMC) vs X-FAB”, https://wafergraph.com/compare/umc-vs-xfab (data as of 2026-10-09).
Frequently asked questions3
- Is United Microelectronics (UMC) bigger than X-FAB?
- United Microelectronics (UMC) is larger by market cap ($57.2B vs $930M).
- What's the difference between United Microelectronics (UMC) and X-FAB?
- United Microelectronics (UMC) is a major in Pure-Play Foundry based in Taiwan; X-FAB is a niche in Pure-Play Foundry based in Germany. Both operate in the Foundry segment.
- Who are United Microelectronics (UMC)'s and X-FAB's suppliers?
- wafergraph tracks 24 suppliers for United Microelectronics (UMC) and 1 for X-FAB — United Microelectronics (UMC)'s include Shin-Etsu Chemical, SUMCO, GlobalWafers; X-FAB's include Soitec.