ModelSim VS Synopsys VCS
As of 30 October 2026, Synopsys VCS is named by 159 companies and ModelSim by 118; ModelSim skews to companies under 200 people (42% vs 49%), Synopsys VCS to companies over 1,000 (34% vs 36%).
As of 30 October 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.
The website-and-DNS footprint is not comparable between a marketing suite and a CRM: ModelSim's script and mail records show on hundreds of thousands of small sites, Synopsys VCS rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- ModelSim: 2–200 employees
- 42%
- Synopsys VCS: 2–200 employees
- 49%
- ModelSim: 1,000+ employees
- 36%
- Synopsys VCS: 1,000+ employees
- 34%
- Postings per company, 90 days
- 3.6 · 5.4
- Website or DNS footprint
- 0 · 0
Who chooses which
Share of each tool's companies in every segment. "Leans" marks a gap of more than two points.
| Segment | ModelSim | share | Synopsys VCS | share | Leans |
|---|---|---|---|---|---|
| 2-10 employees | 8 | 7% | 8 | 5% | even |
| 11-50 employees | 18 | 15% | 31 | 19% | Synopsys VCS |
| 51-200 employees | 24 | 20% | 39 | 25% | Synopsys VCS |
| 201-500 employees | 15 | 13% | 13 | 8% | ModelSim |
| 501-1000 employees | 10 | 8% | 13 | 8% | even |
| 1001-5000 employees | 16 | 14% | 26 | 16% | Synopsys VCS |
| 5001-10000 employees | 6 | 5% | 9 | 6% | even |
| 10,001+ employees | 21 | 18% | 19 | 12% | ModelSim |
| Self-employed | – | – | 1 | 1% | outside top 12 |
| Segment | ModelSim | share | Synopsys VCS | share | Leans |
|---|---|---|---|---|---|
| Manufacturing & industry | 60 | 51% | 52 | 33% | ModelSim |
| Technology & software | 23 | 19% | 62 | 39% | Synopsys VCS |
| Business & finance services | 19 | 16% | 23 | 14% | even |
| Utilities & infrastructure | 9 | 8% | 4 | 3% | ModelSim |
| Public, community & associations | 2 | 2% | 2 | 1% | even |
| Transport, logistics & rental | 2 | 2% | – | – | outside top 12 |
| Automotive | 1 | 1% | 3 | 2% | even |
| Commerce & trade | 1 | 1% | 1 | 1% | even |
| Media & content | 1 | 1% | 5 | 3% | Synopsys VCS |
| Health care | – | – | 2 | 1% | outside top 12 |
| Property & construction | – | – | 2 | 1% | outside top 12 |
| Agriculture & forestry | – | – | 1 | 1% | outside top 12 |
| Consumer services & leisure | – | – | 1 | 1% | outside top 12 |
| Segment | ModelSim | share | Synopsys VCS | share | Leans |
|---|---|---|---|---|---|
| United States | 69 | 58% | 100 | 63% | Synopsys VCS |
| United Kingdom | 10 | 8% | 8 | 5% | ModelSim |
| Germany | 8 | 7% | 7 | 4% | ModelSim |
| France | 6 | 5% | 3 | 2% | ModelSim |
| India | 5 | 4% | 11 | 7% | Synopsys VCS |
| China | 3 | 3% | 2 | 1% | even |
| Austria | 2 | 2% | – | – | outside top 12 |
| Spain | 2 | 2% | 2 | 1% | even |
| Poland | 2 | 2% | 4 | 3% | even |
| Sweden | 2 | 2% | – | – | outside top 12 |
| United Arab Emirates | 1 | 1% | – | – | outside top 12 |
| Belgium | 1 | 1% | – | – | outside top 12 |
| Australia | – | – | 2 | 1% | outside top 12 |
| Ireland | – | – | 2 | 1% | outside top 12 |
| Italy | – | – | 2 | 1% | outside top 12 |
| Japan | – | – | 2 | 1% | outside top 12 |
| Segment | ModelSim | share | Synopsys VCS | share | Leans |
|---|---|---|---|---|---|
| Engineering (non-software) | 409 | 78% | 707 | 64% | ModelSim |
| Software engineering | 59 | 11% | 109 | 10% | even |
| Sales | 9 | 2% | 17 | 2% | even |
| Design & UX | 2 | 0% | 14 | 1% | even |
| Quality, safety & environment | 2 | 0% | – | – | outside top 12 |
| Manufacturing and production | 1 | 0% | – | – | outside top 12 |
| Research and science | 1 | 0% | 2 | 0% | even |
| IT operations & business systems | – | – | 68 | 6% | outside top 12 |
| General management & consulting | – | – | 28 | 3% | outside top 12 |
| Data & AI | – | – | 10 | 1% | outside top 12 |
| Product, program & project management | – | – | 9 | 1% | outside top 12 |
| Logistics warehouse and transport | – | – | 8 | 1% | outside top 12 |
| Skilled trades and field service | – | – | 8 | 1% | outside top 12 |
| Customer service & success | – | – | 7 | 1% | outside top 12 |
The companies behind each column
Companies using ModelSim →
Companies using Synopsys VCS →
semiconductor eda ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
Synopsys VCS is named by 159 companies in job postings and ModelSim by 118; 30 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/modelsim-vs-synopsys-vcs)
Read from the source, not self-reported
Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →
- Job postingsRead hourly from career sites. A tool counts when the employer's own text names it as the team's system; both tools can count for one company.
- Website and DNSScripts and embeds on the company's pages, plus SPF, DKIM, MX and CNAME records of its domain that point at the vendor.
- SegmentsCountry, size and industry from the company profile built from its website.
- Not a reviewNo ratings, prices or feature claims. For those, read the vendors.
ModelSim vs Synopsys VCS: questions
Which is more used, ModelSim or Synopsys VCS?
By companies naming it in their own job postings, Synopsys VCS (159) over ModelSim (118). By website-and-DNS footprint, Synopsys VCS (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses ModelSim?
42% of ModelSim companies have 2 to 200 employees, against 49% for Synopsys VCS. 36% of ModelSim companies have over 1,000 employees, against 34% for Synopsys VCS.
Do companies run both?
30 companies name both in their postings, usually ModelSim in marketing and Synopsys VCS in sales, or during a migration.
Where do these numbers come from?
From the employer's own text in job postings read hourly from career sites, and from scripts found on company websites in our crawl. No vendor data, no surveys.
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