Cloud-native, serverless & distributed SQL · AWS vs Google Cloud
Amazon Aurora PostgreSQL-Compatible Edition vs AlloyDB for PostgreSQL
Aurora PostgreSQL maps to AlloyDB for PostgreSQL, a PostgreSQL-compatible database with disaggregated storage, read pool instances, and a columnar engine for analytics.
Side-by-side comparison
| Aspect | Amazon Web Services | Google Cloud |
|---|---|---|
| Service | Amazon Aurora PostgreSQL-Compatible Edition | AlloyDB for PostgreSQL |
| Lifecycle | Generally available | Generally available |
| What it is | PostgreSQL-compatible engine with a distributed storage volume that keeps copies across three AZs, up to 15 low-lag read replicas, fast cloning, Global Database, Serverless v2, I/O-Optimized pricing, and Limitless Database. | Fully managed PostgreSQL-compatible database with disaggregated storage, read pool instances, a columnar engine, and cross-region secondary clusters. |
| Pricing model | Per instance-hour (or ACU-hour for Serverless v2), plus storage per GB-month, and I/O requests on Aurora Standard (I/O-Optimized has no I/O charge but higher instance and storage prices). | Billed for vCPU and memory of primary and read pool instances, plus database storage and backup storage. |
| Docs | Amazon Aurora PostgreSQL-Compatible Edition docs | AlloyDB for PostgreSQL docs |
| Pricing page | Amazon Aurora PostgreSQL-Compatible Edition pricing | AlloyDB for PostgreSQL pricing |
Key differences
- AlloyDB's columnar engine accelerates analytical queries inside the operational database.
- Storage is billed for what you use, like Aurora; compute is billed by primary and read pool machine size.
Pricing summary
Pricing models only. No prices are quoted because they change by region and over time.
- AWS
- Per instance-hour (or ACU-hour for Serverless v2), plus storage per GB-month, and I/O requests on Aurora Standard (I/O-Optimized has no I/O charge but higher instance and storage prices). Amazon Aurora PostgreSQL-Compatible Edition pricing →
- GCP
- Billed for vCPU and memory of primary and read pool instances, plus database storage and backup storage. AlloyDB for PostgreSQL pricing →
And on Azure?
Partial match Azure's equivalent is Azure HorizonDB, Azure Database for PostgreSQL (flexible server). AWS vs Azure comparison →
FAQ
What is the Google Cloud equivalent of Amazon Aurora PostgreSQL-Compatible Edition?
Aurora PostgreSQL maps to AlloyDB for PostgreSQL, a PostgreSQL-compatible database with disaggregated storage, read pool instances, and a columnar engine for analytics.
How does pricing compare between Amazon Aurora PostgreSQL-Compatible Edition and AlloyDB for PostgreSQL?
AWS: Per instance-hour (or ACU-hour for Serverless v2), plus storage per GB-month, and I/O requests on Aurora Standard (I/O-Optimized has no I/O charge but higher instance and storage prices). Google Cloud: Billed for vCPU and memory of primary and read pool instances, plus database storage and backup storage. Check the official pricing pages for current rates.
What is the Azure equivalent?
Azure HorizonDB and Azure Database for PostgreSQL (flexible server) (partial match). Microsoft maps Amazon Aurora PostgreSQL to Azure HorizonDB, a PostgreSQL service with disaggregated compute and storage.