VMware ESXi VS Xen Hypervisor
As of 30 October 2026, Xen Hypervisor is named by 115 companies and VMware ESXi by 705; VMware ESXi skews to companies under 200 people (36% vs 51%), Xen Hypervisor to companies over 1,000 (24% vs 38%).
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: VMware ESXi's script and mail records show on hundreds of thousands of small sites, Xen Hypervisor rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- VMware ESXi: 2–200 employees
- 36%
- Xen Hypervisor: 2–200 employees
- 51%
- VMware ESXi: 1,000+ employees
- 38%
- Xen Hypervisor: 1,000+ employees
- 24%
- Postings per company, 90 days
- 3.0 · 2.2
- 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 | VMware ESXi | share | Xen Hypervisor | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 3 | 0% | – | – | outside top 12 |
| 2-10 employees | 23 | 3% | 9 | 8% | Xen Hypervisor |
| 11-50 employees | 84 | 12% | 20 | 17% | Xen Hypervisor |
| 51-200 employees | 150 | 21% | 30 | 26% | Xen Hypervisor |
| 201-500 employees | 107 | 15% | 21 | 18% | Xen Hypervisor |
| 501-1000 employees | 71 | 10% | 7 | 6% | VMware ESXi |
| 1001-5000 employees | 129 | 18% | 15 | 13% | VMware ESXi |
| 5001-10000 employees | 46 | 7% | 5 | 4% | VMware ESXi |
| 10,001+ employees | 92 | 13% | 8 | 7% | VMware ESXi |
| Segment | VMware ESXi | share | Xen Hypervisor | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 302 | 43% | 67 | 58% | Xen Hypervisor |
| Manufacturing & industry | 129 | 18% | 12 | 10% | VMware ESXi |
| Business & finance services | 116 | 16% | 17 | 15% | even |
| Utilities & infrastructure | 30 | 4% | 6 | 5% | even |
| Public, community & associations | 24 | 3% | 2 | 2% | even |
| Health care | 23 | 3% | 1 | 1% | VMware ESXi |
| Commerce & trade | 17 | 2% | 1 | 1% | even |
| Transport, logistics & rental | 16 | 2% | – | – | outside top 12 |
| Property & construction | 13 | 2% | 1 | 1% | even |
| Media & content | 11 | 2% | 4 | 3% | even |
| Automotive | 10 | 1% | 1 | 1% | even |
| Consumer services & leisure | 9 | 1% | 3 | 3% | even |
| Segment | VMware ESXi | share | Xen Hypervisor | share | Leans |
|---|---|---|---|---|---|
| United States | 416 | 59% | 70 | 61% | even |
| Germany | 68 | 10% | 8 | 7% | VMware ESXi |
| United Kingdom | 45 | 6% | 7 | 6% | even |
| France | 22 | 3% | 7 | 6% | Xen Hypervisor |
| Canada | 15 | 2% | 3 | 3% | even |
| India | 14 | 2% | 3 | 3% | even |
| Belgium | 10 | 1% | – | – | outside top 12 |
| Netherlands | 9 | 1% | – | – | outside top 12 |
| Austria | 8 | 1% | 1 | 1% | even |
| Italy | 8 | 1% | 2 | 2% | even |
| Poland | 8 | 1% | – | – | outside top 12 |
| Singapore | 8 | 1% | – | – | outside top 12 |
| Australia | – | – | 2 | 2% | outside top 12 |
| Romania | – | – | 2 | 2% | outside top 12 |
| Argentina | – | – | 1 | 1% | outside top 12 |
| BD | – | – | 1 | 1% | outside top 12 |
| Segment | VMware ESXi | share | Xen Hypervisor | share | Leans |
|---|---|---|---|---|---|
| IT operations & business systems | 1,855 | 64% | 229 | 53% | VMware ESXi |
| Engineering (non-software) | 251 | 9% | 5 | 1% | VMware ESXi |
| Software engineering | 242 | 8% | 103 | 24% | Xen Hypervisor |
| Customer service & success | 47 | 2% | 11 | 3% | even |
| Product, program & project management | 38 | 1% | 11 | 3% | even |
| Sales | 27 | 1% | 10 | 2% | even |
| Data & AI | 15 | 1% | 5 | 1% | even |
| Skilled trades and field service | 6 | 0% | 2 | 0% | even |
| Quality, safety & environment | 5 | 0% | – | – | outside top 12 |
| Education & training | 4 | 0% | 5 | 1% | even |
| Arts media and entertainment | 3 | 0% | – | – | outside top 12 |
| General management & consulting | 3 | 0% | 2 | 0% | even |
| Design & UX | – | – | 1 | 0% | outside top 12 |
| Marketing & communications | – | – | 1 | 0% | outside top 12 |
The companies behind each column
Companies using VMware ESXi →
Companies using Xen Hypervisor →
virtualization vdi ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
Xen Hypervisor is named by 115 companies in job postings and VMware ESXi by 705; 0 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/vmware-esxi-vs-xen-hypervisor)
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.
VMware ESXi vs Xen Hypervisor: questions
Which is more used, VMware ESXi or Xen Hypervisor?
By companies naming it in their own job postings, VMware ESXi (705) over Xen Hypervisor (115). By website-and-DNS footprint, Xen Hypervisor (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses VMware ESXi?
36% of VMware ESXi companies have 2 to 200 employees, against 51% for Xen Hypervisor. 38% of VMware ESXi companies have over 1,000 employees, against 24% for Xen Hypervisor.
Do companies run both?
0 companies name both in their postings, usually VMware ESXi in marketing and Xen Hypervisor 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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