Cloudflare R2 vs Azure Blob Storage
A detailed comparison to help you choose between Cloudflare R2 and Azure Blob Storage.
Quick Verdict
5.0/5
Cloudflare R2
203 reviews
3.8/5
Azure Blob Storage
232 reviews
Cloudflare R2 is rated higher (5.0 vs 3.8). Cloudflare R2 is S3-compatible object storage with zero egress fees — ever. $0.015/GB/month storage, no data transfer costs. Tightly integrated with Cloudflare Workers and CDN. Microsoft Azure's object storage service for storing massive amounts of unstructured data like documents, images, and backups. Built for enterprises needing reliable, cost-effective cloud storage with compliance options.
Cloudflare R2 Zero egress S3 storage on Cloudflare's network | Azure Blob Storage Scalable cloud object storage for unstructured data at enterprise scale | |
|---|---|---|
| Overview | ||
| Rating | 5.0 (203 reviews)✓ | 3.8 (232 reviews) |
| Pricing model | freemium | freemium |
| Starting price | Free tier available | Free tier available |
| Best for | Applications serving large amounts of user-generated content or assets where egress costs are a major expense | Enterprises committed to Microsoft Azure needing cost-effective, compliant object storage with native integration to Azure compute and analytics services. |
| 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 compatibleeu datacenterus datacenterapac datacenterapi access | free tiers3 compatibleapi accesseu datacenterus datacenterapac datacenterterraform provider |
| Visit Cloudflare R2 → | Visit Azure Blob Storage → | |
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
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
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