Aehr Test Systems vs MPI Corporation

Aehr Test Systems's primary segment is Test Equipment; MPI Corporation's is Probe Cards. MPI Corporation is larger by market cap ($17.1B vs $2.9B). MPI Corporation reports higher tracked revenue ($421M vs $50M).

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Side-by-side

Aehr Test SystemsMPI Corporation
Market cap$2.9B$17.1B
Revenue$50M (FY2026)$421M (FY2025)
Primary segmentTest EquipmentProbe Cards
Market positionnichemajor
CountryUnited StatesTaiwan
Tracked suppliers00
Tracked customers78
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 MPI Corporation compare

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

Company hubs

Aehr Test Systems · MPI Corporation · Equipment (Back End) segment

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

Frequently asked questions3
Is Aehr Test Systems bigger than MPI Corporation?
MPI Corporation is larger by market cap ($17.1B vs $2.9B).
What's the difference between Aehr Test Systems and MPI Corporation?
Aehr Test Systems is a niche in Test Equipment based in United States; MPI Corporation is a major in Probe Cards based in Taiwan. Both operate in the Equipment (Back End) segment.
Who are Aehr Test Systems's and MPI Corporation's suppliers?
wafergraph tracks 0 suppliers for Aehr Test Systems and 0 for MPI Corporation.