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<h1 id="amazon-s3--cloudfront-vs-cloudflare-r2-comparison">Amazon S3 + CloudFront vs Cloudflare R2 Comparison</h1>
<h2 id="presigned-urls-comparison">Presigned URLs Comparison</h2>

<table>
<thead>
<tr>
<th>Feature</th>
<th>Amazon S3 + CloudFront</th>
<th>Cloudflare R2</th>
</tr>
</thead>
<tbody>
<tr>
<td>Presigned URL Support</td>
<td>✅ Yes (S3 presigned URLs)</td>
<td>✅ Yes (S3-compatible)</td>
</tr>
<tr>
<td>Custom Expiry Time</td>
<td>✅ Yes</td>
<td>✅ Yes</td>
</tr>
<tr>
<td>CloudFront Signed URLs</td>
<td>✅ Yes (separate from S3)</td>
<td>❌ No</td>
</tr>
<tr>
<td>Authentication Method</td>
<td>AWS Signature v4</td>
<td>S3-compatible signature</td>
</tr>
</tbody>
</table><h2 id="caching-comparison">Caching Comparison</h2>

<table>
<thead>
<tr>
<th>Feature</th>
<th>Amazon S3 + CloudFront</th>
<th>Cloudflare R2</th>
</tr>
</thead>
<tbody>
<tr>
<td>Default Caching</td>
<td>❌ Only via CloudFront</td>
<td>✅ Built-in</td>
</tr>
<tr>
<td>CDN Integration</td>
<td>✅ CloudFront</td>
<td>✅ Cloudflare CDN</td>
</tr>
<tr>
<td>Cache Control Headers</td>
<td>✅ Supported</td>
<td>✅ Supported</td>
</tr>
<tr>
<td>Edge Caching</td>
<td>✅ CloudFront Edge Locations</td>
<td>✅ Cloudflare Global Network</td>
</tr>
<tr>
<td>Cache Purging</td>
<td>✅ $0.005 per path</td>
<td>✅ Free</td>
</tr>
<tr>
<td>Cache TTL Customization</td>
<td>✅ Configurable</td>
<td>✅ Via Cache-Control</td>
</tr>
</tbody>
</table><h2 id="pricing-comparison">Pricing Comparison</h2>

<table>
<thead>
<tr>
<th>Cost Factor</th>
<th>Amazon S3 + CloudFront</th>
<th>Cloudflare R2</th>
</tr>
</thead>
<tbody>
<tr>
<td>Storage Cost</td>
<td>$0.023-$0.025/GB/month</td>
<td>$0.015/GB/month</td>
</tr>
<tr>
<td>Egress Costs</td>
<td>$0.085-$0.09/GB</td>
<td>FREE</td>
</tr>
<tr>
<td>PUT/POST Requests</td>
<td>$0.005/1,000 requests</td>
<td>$0.36/1M requests</td>
</tr>
<tr>
<td>GET Requests</td>
<td>$0.0004/1,000 requests</td>
<td>$0.15/1M requests</td>
</tr>
<tr>
<td>CDN Costs</td>
<td>$0.085/GB + additional fees</td>
<td>Built-in (Free)</td>
</tr>
<tr>
<td>Cache Purging</td>
<td>$0.005 per path</td>
<td>Free</td>
</tr>
</tbody>
</table><h2 id="cost-scenarios">Cost Scenarios</h2>
<h3 id="tb-storage--500gb-downloads">1TB Storage + 500GB Downloads</h3>
<h3 id="scenario-1-small-business-1tb-storage--500gb-downloads">Scenario 1: Small Business (1TB Storage + 500GB Downloads)</h3>

<table>
<thead>
<tr>
<th>Service</th>
<th>Storage Cost</th>
<th>Egress Cost</th>
<th>Request Costs*</th>
<th>Total Monthly</th>
</tr>
</thead>
<tbody>
<tr>
<td>S3 + CloudFront</td>
<td>$23</td>
<td>$42.50</td>
<td>~$5</td>
<td>~$70.50</td>
</tr>
<tr>
<td>Cloudflare R2</td>
<td>$15</td>
<td>$0</td>
<td>~$1</td>
<td>~$16</td>
</tr>
</tbody>
</table><h3 id="scenario-2-enterprise-10tb-storage--50tb-downloads">Scenario 2: Enterprise (10TB Storage + 50TB Downloads)</h3>

<table>
<thead>
<tr>
<th>Service</th>
<th>Storage Cost</th>
<th>Egress Cost</th>
<th>Request Costs*</th>
<th>Total Monthly</th>
</tr>
</thead>
<tbody>
<tr>
<td>S3 + CloudFront</td>
<td>$250</td>
<td>$4,250</td>
<td>~$50</td>
<td>~$4,550</td>
</tr>
<tr>
<td>Cloudflare R2</td>
<td>$150</td>
<td>$0</td>
<td>~$10</td>
<td>~$160</td>
</tr>
</tbody>
</table><h2 id="how-to-use-r2-cloudflare">How to use R2 Cloudflare</h2>
<p>Cloudflare R2 is fully S3 API-compatible, we can change the S3 endpoint and credential to use Cloudflare R2 API<br>
Sample: <a href="https://ruanmartinelli.com/blog/cloudflare-r2-pre-signed-urls/">https://ruanmartinelli.com/blog/cloudflare-r2-pre-signed-urls/</a></p>