Head-to-Head Matrix · August 2026 Verified
Head-to-Head Comparison
AWS S3 vs Backblaze B2
Backblaze B2 delivers approximately 74% savings on raw storage ($6/TB vs $23/TB) and eliminates 100% of egress costs for typical backup workloads up to 3x stored volume. AWS S3 provides unmatched enterprise compliance certifications.
Side-by-Side Cost & Feature Matrix
| Feature / Pricing Dimension | S3 Standard | B2 Cloud Storage |
|---|---|---|
| Vendor & Parent | AWS | Backblaze |
| Storage Rate ($/TB/mo) | $23.00 | $6.00 |
| Internet Egress ($/TB) | $90.00 | $10.00 |
| Free Egress Policy | 0.1 TB / month | First 3x stored amount in egress free per month |
| Write Requests (PUT/LIST per 1M) | $5.00 | $0.40 |
| Read Requests (GET/HEAD per 1M) | $0.40 | $0.40 |
| S3 API Compatibility | ✓ Standard S3 API | ✓ Standard S3 API |
| Minimum Commitment | None; 5 GB free tier (12 months) | None |
| Datacenter Regions | US, EU, AP, SA | US-West, EU |
Simulated Real-World Workload Scenarios
Starter / Web App
S3 Standard $59.59/mo
vs
B2 Cloud Storage $6.24/mo
🏆 B2 Cloud Storage saves ~$53.34/mo on this workload.
Growth / Backup
S3 Standard $494.19/mo
vs
B2 Cloud Storage $61.00/mo
🏆 B2 Cloud Storage saves ~$433.19/mo on this workload.
Data Lake / Scale
S3 Standard $2504.89/mo
vs
B2 Cloud Storage $304.80/mo
🏆 B2 Cloud Storage saves ~$2200.09/mo on this workload.
Decision Guide: Pros & Gotchas
Why Choose S3 Standard?
- ✓ Industry gold standard 99.999999999% durability
- ✓ Vast integration ecosystem and enterprise support SLAs
- ✓ Direct AWS Direct Connect / PrivateLink networking
⚠️ Gotchas to Watch:
- ! $90/TB egress fee makes large-scale downloads prohibitive
- ! Complex pricing sheet with per-request fees
Why Choose B2 Cloud Storage?
- ✓ 74% cheaper storage ($6/TB vs $23/TB)
- ✓ Free egress up to 3x stored amount
- ✓ S3-compatible API with instant self-serve signup
⚠️ Gotchas to Watch:
- ! Fewer global datacenter regions than AWS
- ! No tape/deep-archive sub-$1 tier
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