SMIC vs United Microelectronics (UMC)

Both are primarily Pure-Play Foundry companies. United Microelectronics (UMC) is larger by market cap ($65.9B vs $65.8B). SMIC reports higher tracked revenue ($9.3B vs $7.1B).

Shared segment: Foundry.

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Side-by-side

SMICUnited Microelectronics (UMC)
Market cap$65.8B$65.9B
Revenue$9.3B (FY2025)$7.1B (FY2024)
Primary segmentPure-Play FoundryPure-Play Foundry
Market positionmajormajor
CountryChinaTaiwan
Tracked suppliers16824
Tracked customers3715
Chokepoint / criticality68/10069/100

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 SMIC and United Microelectronics (UMC) compare

  • Size: United Microelectronics (UMC) is the larger company by market cap.
  • Revenue: SMIC reports higher tracked revenue.
  • Supply-chain criticality: United Microelectronics (UMC) has the higher chokepoint score (69/100 vs 68/100).
  • Footprint: SMIC (China) vs United Microelectronics (UMC) (Taiwan).

Company hubs

SMIC · United Microelectronics (UMC) · Foundry segment

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

Frequently asked questions3
Is SMIC bigger than United Microelectronics (UMC)?
United Microelectronics (UMC) is larger by market cap ($65.9B vs $65.8B).
What's the difference between SMIC and United Microelectronics (UMC)?
SMIC is a major in Pure-Play Foundry based in China; United Microelectronics (UMC) is a major in Pure-Play Foundry based in Taiwan. Both operate in the Foundry segment.
Who are SMIC's and United Microelectronics (UMC)'s suppliers?
wafergraph tracks 168 suppliers for SMIC and 24 for United Microelectronics (UMC) — SMIC's include Shin-Etsu Chemical, SUMCO, GlobalWafers; United Microelectronics (UMC)'s include Shin-Etsu Chemical, SUMCO, GlobalWafers.