GDB VS Serial Wire Debug
As of 30 October 2026, Serial Wire Debug is named by 164 companies and GDB by 206; GDB skews to companies under 200 people (41% vs 60%), Serial Wire Debug to companies over 1,000 (21% vs 34%).
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: GDB's script and mail records show on hundreds of thousands of small sites, Serial Wire Debug rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- GDB: 2–200 employees
- 41%
- Serial Wire Debug: 2–200 employees
- 60%
- GDB: 1,000+ employees
- 34%
- Serial Wire Debug: 1,000+ employees
- 21%
- Postings per company, 90 days
- 3.3 · 2.1
- 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 | GDB | share | Serial Wire Debug | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 3 | 1% | 4 | 2% | even |
| 2-10 employees | 9 | 4% | 24 | 15% | Serial Wire Debug |
| 11-50 employees | 31 | 15% | 29 | 18% | Serial Wire Debug |
| 51-200 employees | 45 | 22% | 45 | 27% | Serial Wire Debug |
| 201-500 employees | 27 | 13% | 15 | 9% | GDB |
| 501-1000 employees | 20 | 10% | 13 | 8% | even |
| 1001-5000 employees | 28 | 14% | 16 | 10% | GDB |
| 5001-10000 employees | 8 | 4% | 5 | 3% | even |
| 10,001+ employees | 35 | 17% | 13 | 8% | GDB |
| Segment | GDB | share | Serial Wire Debug | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 80 | 39% | 38 | 23% | GDB |
| Manufacturing & industry | 75 | 36% | 88 | 54% | Serial Wire Debug |
| Business & finance services | 22 | 11% | 14 | 9% | GDB |
| Utilities & infrastructure | 11 | 5% | 3 | 2% | GDB |
| Automotive | 5 | 2% | 4 | 2% | even |
| Media & content | 4 | 2% | 3 | 2% | even |
| Consumer services & leisure | 3 | 1% | 2 | 1% | even |
| Commerce & trade | 2 | 1% | 4 | 2% | even |
| Public, community & associations | 2 | 1% | 6 | 4% | Serial Wire Debug |
| Property & construction | 1 | 0% | 2 | 1% | even |
| Transport, logistics & rental | 1 | 0% | – | – | outside top 12 |
| Segment | GDB | share | Serial Wire Debug | share | Leans |
|---|---|---|---|---|---|
| United States | 145 | 70% | 115 | 70% | even |
| United Kingdom | 15 | 7% | 8 | 5% | GDB |
| France | 8 | 4% | 4 | 2% | even |
| Germany | 7 | 3% | 9 | 5% | Serial Wire Debug |
| India | 5 | 2% | 3 | 2% | even |
| Canada | 4 | 2% | 3 | 2% | even |
| Sweden | 4 | 2% | – | – | outside top 12 |
| Poland | 3 | 1% | 3 | 2% | even |
| Brazil | 2 | 1% | 3 | 2% | even |
| Finland | 2 | 1% | – | – | outside top 12 |
| Ireland | 2 | 1% | – | – | outside top 12 |
| Australia | 1 | 0% | 2 | 1% | even |
| Netherlands | – | – | 2 | 1% | outside top 12 |
| BD | – | – | 1 | 1% | outside top 12 |
| Switzerland | – | – | 1 | 1% | outside top 12 |
| Segment | GDB | share | Serial Wire Debug | share | Leans |
|---|---|---|---|---|---|
| Software engineering | 553 | 64% | 298 | 66% | even |
| Engineering (non-software) | 110 | 13% | 68 | 15% | Serial Wire Debug |
| IT operations & business systems | 100 | 12% | 35 | 8% | GDB |
| Data & AI | 12 | 1% | 2 | 0% | even |
| Finance & accounting | 2 | 0% | – | – | outside top 12 |
| Construction and civil | 1 | 0% | – | – | outside top 12 |
| Customer service & success | 1 | 0% | – | – | outside top 12 |
| Design & UX | 1 | 0% | – | – | outside top 12 |
| Logistics warehouse and transport | 1 | 0% | – | – | outside top 12 |
| Product, program & project management | 1 | 0% | 1 | 0% | even |
| Sales | 1 | 0% | 3 | 1% | even |
| Quality, safety & environment | – | – | 3 | 1% | outside top 12 |
| Skilled trades and field service | – | – | 1 | 0% | outside top 12 |
The companies behind each column
Companies using GDB →
Companies using Serial Wire Debug →
ides editors debuggers ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
Serial Wire Debug is named by 164 companies in job postings and GDB by 206; 18 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/gdb-vs-serial-wire-debug)
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.
GDB vs Serial Wire Debug: questions
Which is more used, GDB or Serial Wire Debug?
By companies naming it in their own job postings, GDB (206) over Serial Wire Debug (164). By website-and-DNS footprint, Serial Wire Debug (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses GDB?
41% of GDB companies have 2 to 200 employees, against 60% for Serial Wire Debug. 34% of GDB companies have over 1,000 employees, against 21% for Serial Wire Debug.
Do companies run both?
18 companies name both in their postings, usually GDB in marketing and Serial Wire Debug 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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