What's the difference between ROHM and STMicroelectronics?

ROHM is a major in Integrated Device Manufacturer based in Japan; STMicroelectronics is a major in Integrated Device Manufacturer based in Switzerland. Both operate in the IDM segment.

Who are ROHM's and STMicroelectronics's suppliers?

wafergraph tracks 0 suppliers for ROHM and 5 for STMicroelectronics; STMicroelectronics's include Soitec, TSMC, ROHM.

ROHM vs STMicroelectronics

Both are primarily Integrated Device Manufacturer companies. STMicroelectronics is larger by market cap ($47.2B vs $12.0B). STMicroelectronics reports higher tracked revenue ($11.8B vs $2.4B).

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Side-by-side

	ROHM	STMicroelectronics
Market cap	$12.0B	$47.2B
Revenue	$2.4B (FY2025)	$11.8B (FY2025)
Primary segment	Integrated Device Manufacturer	Integrated Device Manufacturer
Market position	major	major
Country	Japan	Switzerland
Tracked suppliers	0	5
Tracked customers	3	16
Chokepoint / criticality	68/100	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 ROHM and STMicroelectronics compare

Size: STMicroelectronics is the larger company by market cap.
Revenue: STMicroelectronics reports higher tracked revenue.
Supply-chain criticality: Both companies have the same chokepoint score (68/100).
Footprint: ROHM (Japan) vs STMicroelectronics (Switzerland).

Company hubs

ROHM · STMicroelectronics · IDM segment

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Cite as: wafergraph, “ROHM vs STMicroelectronics”, https://wafergraph.com/compare/rohm-vs-stmicro (data as of 2026-10-09).

Frequently asked questions3

Is ROHM bigger than STMicroelectronics?: STMicroelectronics is larger by market cap ($47.2B vs $12.0B).
What's the difference between ROHM and STMicroelectronics?: ROHM is a major in Integrated Device Manufacturer based in Japan; STMicroelectronics is a major in Integrated Device Manufacturer based in Switzerland. Both operate in the IDM segment.
Who are ROHM's and STMicroelectronics's suppliers?: wafergraph tracks 0 suppliers for ROHM and 5 for STMicroelectronics; STMicroelectronics's include Soitec, TSMC, ROHM.