TSMC vs United Microelectronics (UMC)

Both are primarily Pure-Play Foundry companies. TSMC is larger by market cap ($2.45T vs $65.9B). TSMC reports higher tracked revenue ($88.3B vs $7.1B).

Shared segment: Foundry.

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Side-by-side

TSMCUnited Microelectronics (UMC)
Market cap$2.45T$65.9B
Revenue$88.3B (FY2024)$7.1B (FY2024)
Primary segmentPure-Play FoundryPure-Play Foundry
Market positionleadermajor
CountryTaiwanTaiwan
Tracked suppliers17324
Tracked customers9815
Chokepoint / criticality81/10069/100

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 TSMC and United Microelectronics (UMC) compare

  • Size: TSMC is the larger company by market cap.
  • Revenue: TSMC reports higher tracked revenue.
  • Supply-chain criticality: TSMC has the higher chokepoint score (81/100 vs 69/100).
  • Footprint: TSMC (Taiwan) vs United Microelectronics (UMC) (Taiwan).

Company hubs

TSMC · United Microelectronics (UMC) · Foundry segment

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Cite as: wafergraph, “TSMC vs United Microelectronics (UMC)”, https://wafergraph.com/compare/tsmc-vs-umc (data as of 2026-10-04).

Frequently asked questions3
Is TSMC bigger than United Microelectronics (UMC)?
TSMC is larger by market cap ($2.45T vs $65.9B).
What's the difference between TSMC and United Microelectronics (UMC)?
TSMC is a leader in Pure-Play Foundry based in Taiwan; United Microelectronics (UMC) is a major in Pure-Play Foundry based in Taiwan. Both operate in the Foundry segment.
Who are TSMC's and United Microelectronics (UMC)'s suppliers?
wafergraph tracks 173 suppliers for TSMC and 24 for United Microelectronics (UMC) — TSMC's include Shin-Etsu Chemical, SUMCO, GlobalWafers; United Microelectronics (UMC)'s include Shin-Etsu Chemical, SUMCO, GlobalWafers.