Aehr Test Systems vs Cohu

Both are primarily Test Equipment companies. Cohu is larger by market cap ($3.2B vs $2.9B). Cohu reports higher tracked revenue ($353M vs $50M).

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Side-by-side

Aehr Test SystemsCohu
Market cap$2.9B$3.2B
Revenue$50M (FY2026)$353M (FY2017)
Primary segmentTest EquipmentTest Equipment
Market positionnichemajor
CountryUnited StatesUnited States
Tracked suppliers00
Tracked customers713
Chokepoint / criticality50/10069/100

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 Aehr Test Systems and Cohu compare

  • Size: Cohu is the larger company by market cap.
  • Revenue: Cohu reports higher tracked revenue.
  • Supply-chain criticality: Cohu has the higher chokepoint score (69/100 vs 50/100).
  • Footprint: Aehr Test Systems (United States) vs Cohu (United States).

Company hubs

Aehr Test Systems · Cohu · Equipment (Back End) segment

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Cite as: wafergraph, “Aehr Test Systems vs Cohu”, https://wafergraph.com/compare/aehr-vs-cohu (data as of 2026-10-09).

Frequently asked questions3
Is Aehr Test Systems bigger than Cohu?
Cohu is larger by market cap ($3.2B vs $2.9B).
What's the difference between Aehr Test Systems and Cohu?
Aehr Test Systems is a niche in Test Equipment based in United States; Cohu is a major in Test Equipment based in United States. Both operate in the Equipment (Back End) segment.
Who are Aehr Test Systems's and Cohu's suppliers?
wafergraph tracks 0 suppliers for Aehr Test Systems and 0 for Cohu.