Comparison

Amazon Aurora vs Google Cloud Spanner

On the evidence we track, Amazon Aurora leads this comparison with a composite score of 50/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Amazon Aurora50
Google Cloud Spanner44
Score
Vioscale score
Amazon Aurora50 / 100low · 48%
Google Cloud Spanner44 / 100low · 39%
Pricing
Free tier
Amazon Aurora
Google Cloud Spanner
Model
Amazon Aurorafreemium
Google Cloud Spannercommercial
Price level
Amazon Aurora
Google Cloud Spannerlow
Integrations
Count
Amazon Aurora
Google Cloud Spanner5
Security
Disclosure policy
Amazon Aurora
Google Cloud Spanner
Fedramp
Amazon Aurora
Google Cloud Spanner
Gdpr
Amazon Aurora
Google Cloud Spanner
Hipaa
Amazon Aurora
Google Cloud Spanner
Pci
Amazon Aurora
Google Cloud Spanner
Reliability
Sla pct
Amazon Aurora99.999
Google Cloud Spanner
Status page
Amazon Aurora
Google Cloud Spanner
Market
Availability
Amazon AuroraAvailable worldwide
Google Cloud Spanner

Capabilities

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

Core
SQL model
Amazon AuroraFull SQL
Google Cloud SpannerFull SQL
Transactions
ACID transactions
Amazon AuroraFull
Google Cloud SpannerFull
Highest isolation level
Amazon Aurora-
Google Cloud SpannerSerializable
Consistency
Consistency
Amazon AuroraStrong
Google Cloud SpannerStrong
Scale
Horizontal scale
Amazon AuroraNatively distributed
Google Cloud SpannerNatively distributed
Replication
Replication
Amazon Aurora-
Google Cloud SpannerConsensus (Raft/Paxos)
Availability
Automatic failover / HA
Amazon Aurora
Google Cloud Spanner
Deployment
Deployment
Amazon AuroraServerless
Google Cloud SpannerManaged
Serverless / scale-to-zero
Amazon Aurora
Google Cloud Spanner-
Compatibility
Wire compatibility
Amazon AuroraPostgres protocol
Google Cloud SpannerPostgres protocol
Extensibility
Extensions / plugins / UDFs
Amazon Aurora-
Google Cloud Spanner
Licensing
Licence class
Amazon AuroraProprietary
Google Cloud SpannerProprietary
Data types
JSON / document support
Amazon Aurora-
Google Cloud Spanner-
Geo / spatial
Amazon Aurora-
Google Cloud Spanner-

What each one is

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

Amazon Aurora

Leader

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

Google Cloud Spanner

Google Cloud's globally distributed, multi-model database supporting relational, graph, key-value, and search capabilities with native PostgreSQL interface and Gemini AI integration.

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

Leader

Pricing not documented yet.

Google Cloud Spanner

Usage-basedFree tier90-day trial

Usage-based pricing: compute capacity (nodes/processing units, hourly), storage (monthly), backups, data replication, network bandwidth. Free 90-day trial instances. Optional 1-year and 3-year committed use discounts. Three editions available: Standard, Enterprise, and Enterprise Plus.

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
Google Cloud Spanner
Deployment
Cloud / SaaS
Amazon Aurora
Google Cloud Spanner
Self-hosted
Amazon Aurora
Google Cloud Spanner

Integrations

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

Amazon Aurora

Leader

Not documented yet.

Google Cloud Spanner

5 total
  • Gemini Enterprise Agent Platform
  • Gemini CLI
  • Model Context Protocol (MCP)
  • Agent Development Kit (ADK)
  • Data Agent Kit
Independently observed

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