Comparison

Amazon Aurora vs PostgreSQL

On the evidence we track, PostgreSQL leads this comparison with a composite score of 60/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Amazon Aurora full profile →PostgreSQL full profile →

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Amazon Aurora50

★PostgreSQL60

Attribute comparison across 2 tools
Attribute	Amazon Aurora	PostgreSQLLeader
Vioscale score	50 / 100low · 48%updating	60 / 100medium · 56%updating
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	freemium	commercial
Price levelpricing.price_level	-	free
Integrations
Countintegrations.count	-	10
Security
Disclosure policysecurity.disclosure_policy	✓	✓
Fedrampsecurity.fedramp	✓	-
Gdprsecurity.gdpr	✓	-
Hipaasecurity.hipaa	✓	-
Pcisecurity.pci	✓	-
Scorecardsecurity.scorecard	-	6.1
Vulnerabilitiessecurity.vulnerabilities	-	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=helm&package_name=openstack-helm%2Fpostgresql&per_page=100 · Last 12m: 0
Reliability
Sla pctreliability.sla_pct	99.999	-
Status pagereliability.status_page	✓	-
Adoption
Dependent reposadoption.dependent_repos	-	0
Github starsadoption.github_stars	-	21,899
Stackoverflow questionsadoption.stackoverflow_questions	-	170,000
Activity
Commits last 30dactivity.commits_last_30d	-	100
Release
Cadence daysrelease.cadence_days	-	90
License
Spdxlicense.spdx	-	PostgreSQL
Language
Primarylanguage.primary	-	C
Market
Availabilitymarket.availability	Available worldwide	Available worldwide
Content
Faqcontent.faq	-	8 items

Score

Vioscale score

Amazon Aurora50 / 100low · 48%updating

PostgreSQL60 / 100medium · 56%updating

Pricing

Free tier

Amazon Aurora✓

PostgreSQL✓

Model

Amazon Aurorafreemium

PostgreSQLcommercial

Price level

Amazon Aurora–

PostgreSQLfree

Integrations

Count

Amazon Aurora–

PostgreSQL10

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

Vulnerabilities

Amazon Aurora–

PostgreSQLCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=helm&package_name=openstack-helm%2Fpostgresql&per_page=100 · Last 12m: 0

Reliability

Sla pct

Amazon Aurora99.999

PostgreSQL–

Status page

Amazon Aurora✓

PostgreSQL–

Adoption

Dependent repos

Amazon Aurora–

PostgreSQL0

Github stars

Amazon Aurora–

PostgreSQL21,899

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

Amazon AuroraAvailable worldwide

PostgreSQLAvailable worldwide

Content

Faq

Amazon Aurora–

PostgreSQL8 items

Capabilities

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

Capability comparison for Relational Databases
Capability	Amazon Aurora	PostgreSQL
Core
SQL model	Full SQL	Full SQL
Transactions
ACID transactions	Full	-
Highest isolation level	-	-
Consistency
Consistency	Strong	-
Scale
Horizontal scale	Natively distributed	Read replicas
Replication
Replication	-	-
Availability
Automatic failover / HA	✓	✓
Deployment
Deployment	Serverless	Self-hosted
Serverless / scale-to-zero	✓	✗
Compatibility
Wire compatibility	Postgres protocol	-
Extensibility
Extensions / plugins / UDFs	-	✓
Licensing
Licence class	Proprietary	Permissive OSS
Data types
JSON / document support	-	✓
Geo / spatial	-	Extension

Core

SQL model

Amazon AuroraFull SQL

PostgreSQLFull SQL

Transactions

ACID transactions

Amazon AuroraFull

PostgreSQL-

Highest isolation level

Amazon Aurora-

PostgreSQL-

Consistency

Amazon AuroraStrong

PostgreSQL-

Scale

Horizontal scale

Amazon AuroraNatively distributed

PostgreSQLRead replicas

Replication

Amazon Aurora-

PostgreSQL-

Availability

Automatic failover / HA

Amazon Aurora✓

PostgreSQL✓

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

Aurora is a serverless, relational database service offering zero infrastructure management and instant scaling. It provides 6x the throughput of standard PostgreSQL and MySQL while maintaining full compatibility with both.

Independently observed

PostgreSQL

Leader

PostgreSQL is a mature open-source relational database system combining strong data integrity with comprehensive features and active community maintenance.

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 2026-08-14verify ↗

Platform & deployment

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

Platform and deployment support comparison
Supports	Amazon Aurora	PostgreSQL
WebPlatforms	✓	✗
WindowsPlatforms	✗	✓
LinuxPlatforms	✗	✓
CLIPlatforms	✗	✓
Cloud / SaaSDeployment	✓	✓
Self-hostedDeployment	✗	✓

Platforms

Web

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

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