What's the difference between Aehr Test Systems and Keysight Technologies?

Aehr Test Systems is a niche in Test Equipment based in United States; Keysight Technologies is a major in EDA Software based in United States. Both operate in the Equipment (Back End) segment.

Who are Aehr Test Systems's and Keysight Technologies's suppliers?

wafergraph tracks 0 suppliers for Aehr Test Systems and 0 for Keysight Technologies.

Aehr Test Systems vs Keysight Technologies

Aehr Test Systems's primary segment is Test Equipment; Keysight Technologies's is EDA Software. Keysight Technologies is larger by market cap ($63.8B vs $2.9B). Keysight Technologies reports higher tracked revenue ($5.4B vs $50M).

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Side-by-side

	Aehr Test Systems	Keysight Technologies
Market cap	$2.9B	$63.8B
Revenue	$50M (FY2026)	$5.4B (FY2025)
Primary segment	Test Equipment	EDA Software
Market position	niche	major
Country	United States	United States
Tracked suppliers	0	0
Tracked customers	7	13
Chokepoint / criticality	50/100	68/100

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 Keysight Technologies compare

Size: Keysight Technologies is the larger company by market cap.
Revenue: Keysight Technologies reports higher tracked revenue.
Supply-chain criticality: Keysight Technologies has the higher chokepoint score (68/100 vs 50/100).
Footprint: Aehr Test Systems (United States) vs Keysight Technologies (United States).

Company hubs

Aehr Test Systems · Keysight Technologies · Equipment (Back End) segment

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

Frequently asked questions3

Is Aehr Test Systems bigger than Keysight Technologies?: Keysight Technologies is larger by market cap ($63.8B vs $2.9B).
What's the difference between Aehr Test Systems and Keysight Technologies?: Aehr Test Systems is a niche in Test Equipment based in United States; Keysight Technologies is a major in EDA Software based in United States. Both operate in the Equipment (Back End) segment.
Who are Aehr Test Systems's and Keysight Technologies's suppliers?: wafergraph tracks 0 suppliers for Aehr Test Systems and 0 for Keysight Technologies.