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Databases · head to head

Amazon RDS vs Oracle Database

Amazon RDS logo

Amazon RDS

Databases

Set up, operate, and scale a relational database in the cloud

From
Free
Rated
-
Full reviewWebsite
Oracle Database logo

Oracle Database

Databases

The world's most complete, reliable, and secure database

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Amazon RDS no super-user access or direct host connectivity limits advanced customization; Oracle Database high licensing costs for Enterprise Edition with option packs potentially doubling the effective per-processor cost
  • They diverge on capability: Amazon RDS covers Multiple DB Engines, Oracle Database covers PL/SQL.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Amazon RDS and Oracle Database actually diverge.

Attributes where Amazon RDS and Oracle Database differ
AttributeAmazon RDSOracle Database
Pricing modelusage-basedUnknown
PlatformsAWS Cloud, Multi-AZ, Multi-regionOn-premises, Oracle Cloud, Linux, Windows, Unix
Founded20061977

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Databases).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Amazon RDS

  • Multiple DB Engines
  • Automated Backups
  • Multi-AZ Deployment
  • Read Replicas
  • Encryption
  • Performance Insights
  • Automatic Scaling
  • MySQL

Only in Oracle Database

  • PL/SQL
  • Real Application Clusters
  • Data Guard
  • Advanced Compression
  • Partitioning
  • In-memory Database
  • Multitenant Architecture
  • Oracle Cloud

What people use each for

The jobs each tool is most often brought in to do.

Amazon RDS

  • Transaction processing
  • Data storage
  • Application backend
  • Reporting
  • Data analytics

Oracle Database

  • Transaction processing
  • Data storage
  • Application backend
  • Reporting
  • Data analytics

Both are used for transaction processing, data storage, application backend, reporting, data analytics, on those jobs the choice comes down to price and fit rather than capability.

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Amazon RDS

  • No super-user access or direct host connectivity limits advanced customization
  • Pricing unpredictable and expensive compared to GCP alternatives with equivalent features
  • Limited access to system procedures and tables requiring advanced permissions
  • No Oracle RAC (Real Application Clusters) support for high-availability Oracle deployments

Oracle Database

  • High licensing costs for Enterprise Edition with option packs potentially doubling the effective per-processor cost
  • Requires skilled database administrators for proper setup, configuration, and maintenance
  • High hardware requirements increase infrastructure costs; less suitable for resource-constrained environments

Pricing, plan by plan

Amazon RDS

Free
  • On-Demand Instances$undefined/per second
  • Reserved Instances$undefined/mo
  • Database Savings Plans$undefined/mo

Oracle Database

Free

No published plan breakdown. See the Oracle Database review.

Which should you pick?

Choose Amazon RDS if

  • You need multiple db engines.
  • You want to start without paying.
  • You work on AWS Cloud, Multi-AZ, Multi-region.
  • You also want automated backups.
Amazon RDS review

Choose Oracle Database if

  • You need pl/sql.
  • You want to start without paying.
  • You work on On-premises, Oracle Cloud, Linux, Windows, Unix.
  • You also want real application clusters.
Oracle Database review

Questions people ask

Is Amazon RDS or Oracle Database better?
Neither clearly leads. Amazon RDS starts at Free and Oracle Database at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Amazon RDS or Oracle Database?
Amazon RDS starts at Free and Oracle Database at Free.
Does Amazon RDS or Oracle Database run on more platforms?
Amazon RDS runs on AWS Cloud, Multi-AZ, Multi-region. Oracle Database runs on On-premises, Oracle Cloud, Linux, Windows, Unix.
Can I use Amazon RDS for free?
Both have a free tier, so you can try either at no cost before committing.
What is Amazon RDS best used for?
Amazon RDS is most often used for transaction processing, data storage, application backend, reporting.
What can Amazon RDS do that Oracle Database cannot?
Amazon RDS covers Multiple DB Engines, Automated Backups, Multi-AZ Deployment, Read Replicas. Oracle Database covers PL/SQL, Real Application Clusters, Data Guard, Advanced Compression.

Answered from the vendors’ own pages

Amazon RDS: What is included in the AWS Free Tier for RDS?

For signups before July 15, 2025: 750 hours per month of single-AZ database instance usage (12 months), 20 GB General Purpose SSD storage monthly, 20 GB automated backup storage monthly, available engines include MySQL, MariaDB, PostgreSQL, SQL Server Express Edition. For signups after July 15, 2025: choice between Free Plan or Paid Plan, $100 in credits plus up to $100 additional credits for activating foundational services, credits valid 12 months. Free Tier unavailable in AWS GovCloud (US) and China (Beijing) regions.

Source
Oracle Database: What is the licensing cost of Oracle Database Enterprise Edition?

Oracle Database Enterprise Edition is priced at 47,500 USD per processor as of April 2026. Named User Plus licensing costs 950 USD per user. Pricing varies based on licensing metric chosen.

Source
Amazon RDS: How is data transfer priced in RDS?

Same Availability Zone (EC2 to RDS) is free. Multi-AZ replication is free. Cross-AZ within same region is 0.01 USD per GB in and out. Cross-region snapshots and backups follow standard data transfer charges.

Source
Oracle Database: Does Oracle Database offer a free tier or trial?

Oracle Database offers Oracle Database Free Edition, a no-cost version for development and testing. However, no free trial is available for paid editions.

Source
Amazon RDS: What database engines are supported by RDS?

Aurora, MySQL, PostgreSQL, MariaDB, Oracle, SQL Server, and IBM Db2. Pricing varies by engine.

Source
Oracle Database: What are the deployment options for Oracle Database?

Oracle Database can be deployed on premises or through Oracle Cloud Infrastructure. Pricing and features vary based on deployment model selected.

Source
Amazon RDS: What cost components are included in RDS monthly pricing?

DB instance hours (billed in 1-second increments, 10-minute minimum), storage per GB per month, I/O requests (Aurora and magnetic storage only), provisioned IOPS per month, backup storage, and data transfer fees.

Source
Oracle Database: What database management capabilities does Oracle Database provide?

Oracle Database is a converged, multi-model database management system offering in-memory computing, NoSQL, and MySQL database options with comprehensive data management and security features.

Source
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