Networking

CloudFront vs Azure CDN vs Cloud CDN — Content Delivery Compared

Compare AWS CloudFront, Azure CDN, and Google Cloud CDN for content delivery. Pricing, edge locations, and performance.

Feature Comparison

FeatureAmazon CloudFrontAzure CDNGoogle Cloud CDN
Edge locations450+180+ (varies by provider)180+
Edge computeLambda@Edge + CloudFront FunctionsAzure Functions (via Front Door)Limited
Free tier1TB + 10M requests/moNoNo
HTTP/3 supportYesYes (Front Door)Yes (default)

Service Details

Amazon CloudFront

AWS

Global CDN with 450+ edge locations. Deep Lambda@Edge integration for serverless compute at the edge.

Data transfer: $0.085/GB (first 10TB, NA/EU). Request pricing varies by type. Free tier: 1TB transfer + 10M requests/mo.
Strengths
  • 450+ edge locations (largest network)
  • Lambda@Edge for edge compute
  • Deep S3/ALB integration
  • Free tier included
Limitations
  • Complex pricing by region
  • Configuration can be overwhelming
  • Invalidation costs at scale

Azure CDN

Azure

Azure's CDN with multiple provider options (Microsoft, Akamai, Verizon). Azure Front Door for advanced routing.

Microsoft Standard: $0.081/GB (first 10TB, NA). Provider options offer different price/performance tradeoffs.
Strengths
  • Multiple CDN provider backends
  • Azure Front Door for advanced routing/WAF
  • Good integration with Azure services
  • Competitive pricing
Limitations
  • Multiple product tiers add confusion
  • Front Door pricing is separate and complex
  • Fewer edge locations than CloudFront

Google Cloud CDN

GCP

Global CDN leveraging Google's network backbone. Simple pricing model with cache egress significantly cheaper than standard egress.

Cache egress: $0.02-$0.08/GB (by region). Cache fill: $0.01/10K requests. Leverages Google's global network.
Strengths
  • Google's global network backbone
  • Simple pricing model
  • Automatic HTTP/3 and QUIC
  • Deep integration with Cloud Load Balancing
Limitations
  • Fewer edge locations
  • Less edge compute capability
  • Simpler feature set than CloudFront

When to Use Which

Choose CloudFront for the largest edge network and Lambda@Edge capabilities. Choose Azure CDN/Front Door for advanced routing with WAF. Choose Cloud CDN for simple pricing on Google’s backbone.

CDN costs scale with traffic. CloudExpat helps optimize cache hit ratios, identify expensive origin fetches, and right-size your CDN configuration.

Optimize Your Cloud Costs Across All Providers

CloudExpat works with AWS, Azure, and GCP. Connect in 30 seconds and see where you're overspending.