# Amazon RDS for PostgreSQL vs Azure Database for PostgreSQL Flexible Server pricing

Managed Postgres · US East · page: https://kompair.dev/compare/aws-rds-postgres-vs-azure-postgres-flexible

## From 1k to 1M users

- Amazon RDS for PostgreSQL has no complete price above 251.2K users.
- Azure Database for PostgreSQL Flexible Server has no complete price above 63.1K users.
- Azure Database for PostgreSQL Flexible Server becomes cheaper than Amazon RDS for PostgreSQL above 2.2K users.
- Amazon RDS for PostgreSQL becomes cheaper than Azure Database for PostgreSQL Flexible Server above 4.6K users.

## At 1,000 monthly active users

- Amazon RDS for PostgreSQL: $11.90/month on On-Demand + db.t4g.micro
  - On-Demand plan: $0.00 — AWS SKU `6W8ECRFVDATCER7J` (no base fee; billed per resource)
  - Instance: db.t4g.micro: $11.68 — AWS SKU `9HPEGXQTDDGH53C9` ($0.016/h × 730)
  - Egress: $0.00 — AWS SKU `HQEH3ZWJVT46JHRG` (first 100 GB/month free across the account (SKU PB257JUQ8U6E6UPM), then $0.09/GB to 10340 GB, $0.085/GB to 51300 GB, $0.07/GB to 153700 GB, $0.05/GB beyond)
  - Storage: $0.224609 — AWS SKU `KYVYY29G957PKY3B` ($0.115 per GB-month of gp3 storage, Single-AZ)
- Azure Database for PostgreSQL Flexible Server: $16.09/month on Flexible Server + Burstable B1MS (1 vCore, 2 GiB)
  - Flexible Server plan: $0.00 — AZURE SKU `05116300-a5d3-5c8f-a80e-bc6bf8109556` (no base fee)
  - Compute: Burstable B1MS (1 vCore, 2 GiB): $12.41 — AZURE SKU `699ee3c7-5e59-5284-a84a-52ec1ffaa320` ($0.017/h × 730)
  - Storage: $3.68 — AZURE SKU `05116300-a5d3-5c8f-a80e-bc6bf8109556` ($0.115/GB-month; smallest disk 32 GiB)
  - Egress: $0.00 — AZURE SKU `9995d93a-7d35-4d3f-9c69-7a7fea447ef4` (first 100 GB/month free, then tiered internet egress)

## At 10,000 monthly active users

- Amazon RDS for PostgreSQL: $96.42/month on On-Demand + db.t4g.large
  - On-Demand plan: $0.00 — AWS SKU `6W8ECRFVDATCER7J` (no base fee; billed per resource)
  - Instance: db.t4g.large: $94.17 — AWS SKU `4PGJSRCJ7V3KWVEN` ($0.129/h × 730)
  - Egress: $0.00 — AWS SKU `HQEH3ZWJVT46JHRG` (first 100 GB/month free across the account (SKU PB257JUQ8U6E6UPM), then $0.09/GB to 10340 GB, $0.085/GB to 51300 GB, $0.07/GB to 153700 GB, $0.05/GB beyond)
  - Storage: $2.25 — AWS SKU `KYVYY29G957PKY3B` ($0.115 per GB-month of gp3 storage, Single-AZ)
- Azure Database for PostgreSQL Flexible Server: $102.96/month on Flexible Server + Burstable B2ms (2 vCore, 8 GiB)
  - Flexible Server plan: $0.00 — AZURE SKU `05116300-a5d3-5c8f-a80e-bc6bf8109556` (no base fee)
  - Compute: Burstable B2ms (2 vCore, 8 GiB): $99.28 — AZURE SKU `4ee1aa81-d37a-5b90-8b9e-c35f47fe66ac` ($0.136/h × 730)
  - Storage: $3.68 — AZURE SKU `05116300-a5d3-5c8f-a80e-bc6bf8109556` ($0.115/GB-month; smallest disk 32 GiB)
  - Egress: $0.00 — AZURE SKU `9995d93a-7d35-4d3f-9c69-7a7fea447ef4` (first 100 GB/month free, then tiered internet egress)

## At 100,000 monthly active users

- Amazon RDS for PostgreSQL: $728.51/month on On-Demand + db.r7g.2xlarge
  - On-Demand plan: $0.00 — AWS SKU `6W8ECRFVDATCER7J` (no base fee; billed per resource)
  - Instance: db.r7g.2xlarge: $697.88 — AWS SKU `X87KE8BUG8YVW8UA` ($0.956/h × 730)
  - Egress: $8.17 — AWS SKU `HQEH3ZWJVT46JHRG` (first 100 GB/month free across the account (SKU PB257JUQ8U6E6UPM), then $0.09/GB to 10340 GB, $0.085/GB to 51300 GB, $0.07/GB to 153700 GB, $0.05/GB beyond)
  - Storage: $22.46 — AWS SKU `KYVYY29G957PKY3B` ($0.115 per GB-month of gp3 storage, Single-AZ)
- Azure Database for PostgreSQL Flexible Server: does not meet ram_gb

## Features

- automatic backups: Amazon RDS for PostgreSQL: yes, every plan — AWS SKU `6W8ECRFVDATCER7J` (automated backups to S3); Azure Database for PostgreSQL Flexible Server: yes, every plan — AZURE SKU `6ba9ca07-608a-58f0-9bf7-549e2a888f5f` (backup storage up to 100% of provisioned storage is free; $0.095/GB-month beyond)
- point in time recovery: Amazon RDS for PostgreSQL: yes, every plan — AWS SKU `6W8ECRFVDATCER7J` (point-in-time restore from automated backups); Azure Database for PostgreSQL Flexible Server: yes, every plan — AZURE SKU `6ba9ca07-608a-58f0-9bf7-549e2a888f5f` (backup storage up to 100% of provisioned storage is free; $0.095/GB-month beyond)
- high availability: Amazon RDS for PostgreSQL: add-on db.t4g.micro Multi-AZ at $23.36/month on On-Demand — AWS SKU `RGZ43Q28J3F87JYA` ($0.032/h × 730); Azure Database for PostgreSQL Flexible Server: add-on General Purpose D-series 2 vCore (2 vCore, 8 GiB) zone-redundant HA at $259.88/month on Flexible Server — AZURE SKU `71f7052a-b259-5928-b57b-d6fbbc1c8cd1` ($0.178/h × 2 × 730; primary plus standby)
- read replicas: Amazon RDS for PostgreSQL: not listed; Azure Database for PostgreSQL Flexible Server: not listed
- connection pooling: Amazon RDS for PostgreSQL: not listed; Azure Database for PostgreSQL Flexible Server: not listed
- branching: Amazon RDS for PostgreSQL: not listed; Azure Database for PostgreSQL Flexible Server: not listed
- private networking: Amazon RDS for PostgreSQL: not listed; Azure Database for PostgreSQL Flexible Server: not listed

“Not listed” means the published pricing does not name the feature; it may exist outside the pricing page.