DB RDS

Amazon RDS for PostgreSQL

AWS Console ⟶ Amazon RDS → Create database → Engine: PostgreSQL

RDS for PostgreSQL vs Aurora PostgreSQL

RDS

• Simplest setup + lowest baseline cost

• One primary + (optional) Multi-AZ standby/readable standbys

• EBS-backed storage with autoscaling.

Aurora

• Serverless scaling (Aurora Serverless) / variable workloads. 

• High read scaling

• Aurora’s architecture/perf features