Pick Equinix if…
Your workload needs low-latency cross-connects to AWS, Azure, GCP, and Oracle inside the same facility. Equinix wins on interconnect density and is the default for AI inference platforms serving enterprises.
[Comparison] · Colocation
Equinix vs Digital Realty
The two largest global datacenter operators compared on footprint, AI readiness, density, and workload fit.
[AI Summary]
Equinix and Digital Realty are the two largest global colocation operators. Equinix leads on interconnection density — its IBX campuses are the default meet-me rooms for cloud, network, and financial connectivity. Digital Realty leads on hyperscale and AI-ready capacity, with larger contiguous power blocks and a faster path to 100kW+ liquid-cooled halls for H100, H200, and B200 deployments.
Equinix
Interconnect-first global colo
- Founded
- 1998
- Best for
- Cloud-adjacent AI colocation
Digital Realty
Wholesale + hyperscale data centers
- Founded
- 2004
- Best for
- Multi-MW AI build-to-suit
| Dimension | Equinix | Digital Realty |
|---|---|---|
| Datacenters | 260+ | 300+ |
| Markets | 70+ | 50+ |
| 2025 revenue | ~$9.0B | ~$5.9B |
| AI-ready halls | xScale + AI Solutions program | PlatformDIGITAL AI hubs |
| Max rack density | 100+ kW (xScale) | 150+ kW (Atlanta, Dallas) |
| Direct-to-chip cooling | Available in xScale builds | Available in PlatformDIGITAL AI |
| Flagship AI sites | DC15 Ashburn, FR5 Frankfurt, SG5 | ATL1 Atlanta, DFW10, FRA15 |
| Hyperscale cross-connects | 10,000+ enterprise customers | 5,000+ enterprise customers |
| Power footprint | ~1.5 GW operational | ~3.0 GW operational / 6+ GW pipeline |
| Capex platform | xScale JV with GIC | Blackstone, GI Partners, others |
| Best for | Cloud-adjacent AI inference | Hyperscale-style AI training |
[Verdict]
Pick Digital Realty if…
You need multi-megawatt halls for AI training tenancy, especially in Atlanta, Dallas, or Frankfurt. Digital Realty leads on raw power scale (~3 GW operational) and is faster on build-to-suit AI factories.
Where they overlap
Both operate AI-ready halls in Ashburn, Frankfurt, and Singapore with direct-to-chip liquid cooling. For multi-region AI deployments, most enterprises split: Digital Realty for primary training, Equinix for inference and interconnect.
[FAQ]
Frequently asked questions
- Is Equinix or Digital Realty bigger?
- By datacenter count Equinix is larger (260+ vs 300+ but smaller average site). By operational power Digital Realty is larger (~3 GW vs ~1.5 GW). Equinix has higher revenue due to interconnect mix.
- Which is better for AI training?
- Digital Realty — larger halls, denser racks (150+ kW in Atlanta), and a 6+ GW build pipeline. Equinix is better for AI inference adjacent to cloud on-ramps.
- Which has better liquid-cooling support?
- Both ship direct-to-chip liquid cooling in their newest AI halls. Digital Realty's Atlanta and Dallas sites lead on rack density; Equinix's xScale builds are catching up.
- Can I host an AI workload across both?
- Yes — most large AI tenants split. Digital Realty for training capacity (cheaper $/kW), Equinix for hybrid cloud interconnect to AWS/Azure/GCP.
[Knowledge Graph]
Company → Datacenter → GPU → Customer → Industry
Every entity on this site is cross-linked. Follow the graph from operators down to specific facilities, GPU clusters, customers, and sectoral context.
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