onsemi vs ROHM
Both are primarily Integrated Device Manufacturer companies. onsemi is larger by market cap ($30.9B vs $12.0B). onsemi reports higher tracked revenue ($6.0B vs $2.4B).
Track the chain
What moved in the semiconductor supply chain — This Week in the Chain, the free weekly wafergraph briefing.
Subscribe to the free weekly briefing →
Free · no login · 615 companies, updated weekly
Side-by-side
| onsemi | ROHM | |
|---|---|---|
| Market cap | $30.9B | $12.0B |
| Revenue | $6.0B (FY2025) | $2.4B (FY2025) |
| Primary segment | Integrated Device Manufacturer | Integrated Device Manufacturer |
| Market position | major | major |
| Country | United States | Japan |
| Tracked suppliers | 3 | 0 |
| Tracked customers | 2 | 3 |
| 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 onsemi and ROHM compare
- Size: onsemi is the larger company by market cap.
- Revenue: onsemi reports higher tracked revenue.
- Supply-chain criticality: Both companies have the same chokepoint score (68/100).
- Footprint: onsemi (United States) vs ROHM (Japan).
Company hubs
onsemi · ROHM · IDM segment
Open the interactive comparison tool →
Cite as: wafergraph, “onsemi vs ROHM”, https://wafergraph.com/compare/onsemi-vs-rohm (data as of 2026-10-09).
Frequently asked questions3
- Is onsemi bigger than ROHM?
- onsemi is larger by market cap ($30.9B vs $12.0B).
- What's the difference between onsemi and ROHM?
- onsemi is a major in Integrated Device Manufacturer based in United States; ROHM is a major in Integrated Device Manufacturer based in Japan. Both operate in the IDM segment.
- Who are onsemi's and ROHM's suppliers?
- wafergraph tracks 3 suppliers for onsemi and 0 for ROHM — onsemi's include Wolfspeed, Entegris, Diodes Incorporated.