United Microelectronics (UMC) vs Vanguard International (VIS)

Both are primarily Pure-Play Foundry companies. United Microelectronics (UMC) is larger by market cap ($57.2B vs $11.6B).

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Side-by-side

United Microelectronics (UMC)Vanguard International (VIS)
Market cap$57.2B$11.6B
Revenue$7.1B (FY2024)—
Primary segmentPure-Play FoundryPure-Play Foundry
Market positionmajorchallenger
CountryTaiwanTaiwan
Tracked suppliers241
Tracked customers1512
Chokepoint / criticality69/10058/100

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 Vanguard International (VIS) compare

  • Size: United Microelectronics (UMC) is the larger company by market cap.
  • Supply-chain criticality: United Microelectronics (UMC) has the higher chokepoint score (69/100 vs 58/100).
  • Footprint: United Microelectronics (UMC) (Taiwan) vs Vanguard International (VIS) (Taiwan).

Company hubs

United Microelectronics (UMC) · Vanguard International (VIS) · Foundry segment

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Cite as: wafergraph, “United Microelectronics (UMC) vs Vanguard International (VIS)”, https://wafergraph.com/compare/umc-vs-vis (data as of 2026-10-09).

Frequently asked questions3
Is United Microelectronics (UMC) bigger than Vanguard International (VIS)?
United Microelectronics (UMC) is larger by market cap ($57.2B vs $11.6B).
What's the difference between United Microelectronics (UMC) and Vanguard International (VIS)?
United Microelectronics (UMC) is a major in Pure-Play Foundry based in Taiwan; Vanguard International (VIS) is a challenger in Pure-Play Foundry based in Taiwan. Both operate in the Foundry segment.
Who are United Microelectronics (UMC)'s and Vanguard International (VIS)'s suppliers?
wafergraph tracks 24 suppliers for United Microelectronics (UMC) and 1 for Vanguard International (VIS) — United Microelectronics (UMC)'s include Shin-Etsu Chemical, SUMCO, GlobalWafers.