Comparison

Amazon RDS vs Azure SQL Database

On the evidence we track, Amazon RDS leads this comparison with a composite score of 72/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
★Amazon RDS72
Azure SQL Database54
Score
vioscaleAI score
Amazon RDS72 / 100medium · 73%
Azure SQL Database54 / 100low · 41%
Pricing
Free tier
Amazon RDS✓
Azure SQL Database✓
Model
Amazon RDSfree
Azure SQL Databasefreemium
Price level
Amazon RDSfree
Azure SQL Databaselow
Transparent
Amazon RDS✓
Azure SQL Database✓
Integrations
Count
Amazon RDS15
Azure SQL Database–
Security
Disclosure policy
Amazon RDS✓
Azure SQL Database–
Fedramp
Amazon RDS✓
Azure SQL Database–
Gdpr
Amazon RDS✓
Azure SQL Database✓
Hipaa
Amazon RDS✓
Azure SQL Database–
Iso27001
Amazon RDS✓
Azure SQL Database–
Pci
Amazon RDS✓
Azure SQL Database–
Soc2
Amazon RDS✓
Azure SQL Database–
Reliability
Sla pct
Amazon RDS99.99
Azure SQL Database–
Status page
Amazon RDS–
Azure SQL Database✓
Market
Availability
Azure SQL DatabaseAvailable worldwide
Content
Faq
Amazon RDS7 items
Azure SQL Database5 items

Capabilities

Feature-by-feature on the axes that matter for managed databases. “-” means undocumented, not absent.

Capabilities
Engine family
Amazon RDSMulti engine
Azure SQL DatabaseSql server
Deployment type
Amazon RDSHyperscaler native
Azure SQL DatabaseHyperscaler native
Serverless scale to zero
Amazon RDS-
Azure SQL Database-
Database branching
Amazon RDS-
Azure SQL Database-
Point in time recovery
Amazon RDS✓
Azure SQL Database-
Multi region replication
Amazon RDS✓
Azure SQL Database-
Automatic failover
Amazon RDS✓
Azure SQL Database-
Private networking
Amazon RDS✓
Azure SQL Database-
Built in connection pooling
Amazon RDS✓
Azure SQL Database-
Extensions plugin support
Amazon RDS-
Azure SQL Database-
Self host alternative
Amazon RDS-
Azure SQL Database-
Pricing model
Amazon RDSTiered plus usage
Azure SQL Database-
Free tier
Amazon RDS✓
Azure SQL Database✓

What each one is

The product in its own terms, so the numbers below have context.

Amazon RDS

Leader

Automates routine database tasks like provisioning, backups, and patching while supporting multiple database engines. Offers flexibility with deployment options in cloud or on-premises environments.

Independently observed

Azure SQL Database

A relational database service delivered on Microsoft's cloud platform that handles administrative tasks, providing built-in security and compliance features alongside AI capabilities.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Amazon RDS

Leader
HybridFree tier

Free tier with $100 AWS credits for 12 months. Hybrid pricing: serverless billed per ACU/second, reserved instances with annual commitment, on-demand per hour. Pricing varies by region and instance type.

  • AWS Free TierFree
    • Aurora PostgreSQL serverless instances
    • Database automation (provisioning, backup, patching)
  • Aurora Serverless (On-Demand)Billed per Aurora Capacity Unit (ACU) per second based on usage
    • Automatic scaling to hundreds of thousands of transactions per second
    • Multi-AZ deployments
    • Read replicas
    • Global Database support
    • All Aurora features
  • Aurora Reserved InstancesAnnual commitment with amortized hourly pricing
    • 1-year commitment term
    • Designated to specific AWS Region and instance type
    • Billed for every hour of term regardless of running status
as of verify ↗

Azure SQL Database

Free tier
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Amazon RDS✓
Azure SQL Database✓
CLI
Amazon RDS✓
Azure SQL Database✗
Deployment
Cloud / SaaS
Amazon RDS✓
Azure SQL Database✓
On-premise
Amazon RDS✓
Azure SQL Database✗
Hybrid
Amazon RDS✓
Azure SQL Database✗

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Amazon RDS

Leader
17 total
  • Amazon Aurora
  • Amazon EC2
  • Amazon EBS
  • AWS CloudWatch
  • AWS CloudFormation
  • AWS Config
  • Amazon S3
  • AWS IAM
  • AWS Outposts
  • AWS Graviton3
  • Amazon QuickSight
  • Amazon Redshift
  • AWS Artifact
  • Amazon GuardDuty
  • AWS Audit Manager
  • Amazon CloudWatch
  • AWS Database Migration Service
Independently observed

Azure SQL Database

Not documented yet.

Still deciding?

Amazon RDS or Azure SQL Database: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.