Azure Blob Storage vs Cloudflare R2
A detailed comparison to help you choose between Azure Blob Storage and Cloudflare R2.
Azure Blob Storage Scalable cloud object storage for unstructured data at enterprise scale | Cloudflare R2 Zero egress S3 storage on Cloudflare's network | |
|---|---|---|
| Overview | ||
| Rating | 3.8 (232 reviews) | 5.0 (203 reviews)✓ |
| Pricing model | freemium | freemium |
| Starting price | Free tier available | Free tier available |
| Best for | Enterprises committed to Microsoft Azure needing cost-effective, compliant object storage with native integration to Azure compute and analytics services. | Applications serving large amounts of user-generated content or assets where egress costs are a major expense |
| Specifications (entry plan) | ||
| CPU cores | — | 0 vCPU |
| RAM | — | 0 GB |
| Storage | — | 0 GB |
| Bandwidth | — | 0 TB/mo |
| SLA uptime | — | 99.9% |
| Data-center count | — | 300 |
| Features | ||
| IPv6 | ✓ | |
| DDoS protection | ✓ | |
| Automated backups | ||
| Snapshots | ||
| Managed option | ||
| Bare metal | ||
| GPU available | ||
| S3-compatible | ||
| Hourly billing | ||
| Free tier | ✓ | |
| Data-center locations | ||
| Regions | — | Global — Cloudflare network |
| Tags | ||
| Tags | free tiers3 compatibleapi accesseu datacenterus datacenterapac datacenterterraform provider | free tiers3 compatibleeu datacenterus datacenterapac datacenterapi access |
| Visit Azure Blob Storage → | Visit Cloudflare R2 → | |
Azure Blob Storage
Pros
- + Integrate seamlessly with Azure services and Active Directory
- + Optimize costs with access tiers and automatic lifecycle policies
- + Scale to petabytes with guaranteed durability and availability
- + Choose redundancy levels matching compliance requirements
Cons
- - Higher egress costs compared to same-region transfers
- - Steeper learning curve for organizations unfamiliar with Azure
- - Less mature third-party tooling ecosystem than S3
Cloudflare R2
Pros
- + Zero egress fees — massive saving for high-traffic assets
- + S3-compatible API
- + 10GB free per month forever
Cons
- - Cloudflare ecosystem lock-in
- - Not ideal for pure backup storage without lifecycle policies
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