Comparison

Amazon Aurora vs PostgreSQL

On the evidence we track, PostgreSQL leads this comparison with a composite score of 61/100. 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 Aurora50
★PostgreSQL61
Score
vioscaleAI score
Amazon Aurora50 / 100low · 48%
PostgreSQL61 / 100medium · 60%
Pricing
Free tier
Amazon Aurora✓
PostgreSQL✓
Model
Amazon Aurorafreemium
PostgreSQLopen_source
Price level
Amazon Aurora–
PostgreSQLfree
Integrations
Count
Amazon Aurora–
PostgreSQL6
Security
Disclosure policy
Amazon Aurora✓
PostgreSQL✓
Fedramp
Amazon Aurora✓
PostgreSQL–
Gdpr
Amazon Aurora✓
PostgreSQL–
Hipaa
Amazon Aurora✓
PostgreSQL–
Pci
Amazon Aurora✓
PostgreSQL–
Scorecard
Amazon Aurora–
PostgreSQL6.1
Reliability
Sla pct
Amazon Aurora99.999
PostgreSQL–
Status page
Amazon Aurora✓
PostgreSQL–
Adoption
Dependent repos
Amazon Aurora–
PostgreSQL0
Github stars
Amazon Aurora–
PostgreSQL22,285
Stackoverflow questions
Amazon Aurora–
PostgreSQL170,000
Activity
Commits last 30d
Amazon Aurora–
PostgreSQL100
Release
Cadence days
Amazon Aurora–
PostgreSQL90
License
Spdx
Amazon Aurora–
PostgreSQLPostgreSQL
Language
Primary
Amazon Aurora–
PostgreSQLC
Market
Availability
Content
Faq
Amazon Aurora5 items
PostgreSQL8 items

Capabilities

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

Core
SQL model
Amazon AuroraFull SQL
PostgreSQLFull SQL
Transactions
ACID transactions
Amazon AuroraFull
PostgreSQLFull
Highest isolation level
Amazon Aurora-
PostgreSQL-
Consistency
Consistency
Amazon AuroraStrong
PostgreSQL-
Scale
Horizontal scale
Amazon AuroraNatively distributed
PostgreSQLRead replicas
Replication
Replication
Amazon Aurora-
PostgreSQL-
Availability
Automatic failover / HA
Amazon Aurora✓
PostgreSQL✓
Deployment
Deployment
Amazon AuroraServerless
PostgreSQLSelf-hosted
Serverless / scale-to-zero
Amazon Aurora✓
PostgreSQL✗
Compatibility
Wire compatibility
Amazon AuroraPostgres protocol
PostgreSQL-
Extensibility
Extensions / plugins / UDFs
Amazon Aurora-
PostgreSQL✓
Licensing
Licence class
Amazon AuroraProprietary
PostgreSQLPermissive OSS
Data types
JSON / document support
Amazon Aurora-
PostgreSQL✓
Geo / spatial
Amazon Aurora-
PostgreSQLExtension

What each one is

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

Amazon Aurora

A hosted relational database service that requires no infrastructure management, automatically scales with demand, and ensures high availability across regions. It supports PostgreSQL and MySQL databases, and offers a distributed variant for larger-scale deployments.

Independently observed

PostgreSQL

Leader

PostgreSQL is an open source relational database with over 35 years of active development. It supports transactions, user-defined functions, and a broad subset of SQL, widely used for data storage and retrieval in applications ranging from small projects to enterprise deployments.

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 Aurora

Pricing not documented yet.

PostgreSQL

Leader
Open sourceFree 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 Aurora✓
PostgreSQL✗
macOS
Amazon Aurora✗
PostgreSQL✓
Windows
Amazon Aurora✗
PostgreSQL✓
Linux
Amazon Aurora✗
PostgreSQL✓
CLI
Amazon Aurora✓
PostgreSQL✗
Deployment
Cloud / SaaS
Amazon Aurora✓
PostgreSQL✓
Self-hosted
Amazon Aurora✗
PostgreSQL✓

Integrations

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

Amazon Aurora

Not documented yet.

PostgreSQL

Leader
10 total
  • CloudNativePG
  • Kubernetes
  • Patroni
  • pgAdmin
  • pgVector
  • PostGIS
  • pgAudit
  • Spock
  • Cilium
  • Submariner
Independently observed
Still deciding?

Amazon Aurora or PostgreSQL: 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.