Allegro MicroSystems vs Diodes Incorporated

Allegro MicroSystems's primary segment is Analog & Mixed Signal; Diodes Incorporated's is Power Semiconductors (incl. SiC, GaN). Allegro MicroSystems is larger by market cap ($6.3B vs $4.1B). Diodes Incorporated reports higher tracked revenue ($1.5B vs $890M).

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Side-by-side

Allegro MicroSystemsDiodes Incorporated
Market cap$6.3B$4.1B
Revenue$890M (FY2026)$1.5B (FY2025)
Primary segmentAnalog & Mixed SignalPower Semiconductors (incl. SiC, GaN)
Market positionmajormajor
CountryUnited StatesUnited States
Tracked suppliers41
Tracked customers01
Chokepoint / criticality0/10068/100

Market caps/revenue from the wafergraph dataset · data as of 2026-10-28. Criticality is a graph-derived chokepoint score (0–100). Coverage is partial; "Unpriced" means no reliable market cap.

How Allegro MicroSystems and Diodes Incorporated compare

  • Size: Allegro MicroSystems is the larger company by market cap.
  • Revenue: Diodes Incorporated reports higher tracked revenue.
  • Supply-chain criticality: Diodes Incorporated has the higher chokepoint score (68/100 vs 0/100).
  • Footprint: Allegro MicroSystems (United States) vs Diodes Incorporated (United States).

Company hubs

Allegro MicroSystems · Diodes Incorporated · Analog, Power, RF segment

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Cite as: wafergraph, “Allegro MicroSystems vs Diodes Incorporated”, https://wafergraph.com/compare/allegro-vs-diodes_inc (data as of 2026-10-28).

Frequently asked questions3
Is Allegro MicroSystems bigger than Diodes Incorporated?
Allegro MicroSystems is larger by market cap ($6.3B vs $4.1B).
What's the difference between Allegro MicroSystems and Diodes Incorporated?
Allegro MicroSystems is a major in Analog & Mixed Signal based in United States; Diodes Incorporated is a major in Power Semiconductors (incl. SiC, GaN) based in United States. Both operate in the Analog, Power, RF segment.
Who are Allegro MicroSystems's and Diodes Incorporated's suppliers?
wafergraph tracks 4 suppliers for Allegro MicroSystems and 1 for Diodes Incorporated — Allegro MicroSystems's include United Microelectronics (UMC), Tower Semiconductor, TSMC; Diodes Incorporated's include Nuvoton Technology.