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Amazon RDS vs Azure Database for PostgreSQL comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Mar 30, 2025

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

ROI

Sentiment score
5.8
Amazon RDS reduces costs and enhances agility with scalable pay-as-you-go solutions, offering varied ROI based on usage.
Sentiment score
7.6
Azure Database for PostgreSQL offers significant cost savings and efficiency improvements, reducing ownership costs by eliminating expensive licenses.
It offers at least 25 percent cost savings compared to maintaining on-premises databases.
Now, we use embedded PostgreSQL vectors, which will undoubtedly reduce the TCO by using a much more cost-effective solution.
We've reduced our total ownership cost because we are not spending on expensive SQL server licenses.
 

Customer Service

Sentiment score
7.8
Amazon RDS support varies; premium users receive better service, while free-tier users face limitations and slower response times.
Sentiment score
7.4
Users praise Microsoft Learn's documentation, benefit from fast support response, and find engineering engagement insightful for urgent issues.
The documentation is quite good.
The official AWS technical support for Amazon RDS is helpful, providing 24/7 assistance for all business support cases with tools such as the health dashboard and AWS trusted advisor.
Once we open a support case, we have people engaged within about 20 minutes, especially for a Sev 1 issue.
The documentation and training we've received through Microsoft Learn on how to migrate, deploy, and manage the solution is exceptional.
We handle most implementations in-house, without extensive reliance on Microsoft's technical support.
 

Scalability Issues

Sentiment score
8.4
Amazon RDS is praised for scalable performance, though some users note limitations with large datasets and prefer alternative features.
Sentiment score
7.9
Azure Database for PostgreSQL efficiently scales workloads with FlexServer, offering easy resizing for large enterprises and government projects.
Its automated scaling, both in storage and instances, is vital as it eliminates manual interventions.
Despite being a strong feature, scalability could be improved due to the lack of full functionality in autoscaling.
However, we can see how well it scales after we deploy it for some large enterprise customers or big government organizations.
The scaling options with FlexServer provide us with the flexibility we need based on application complexity.
We can scale up compute and scale it down, but once storage is allocated, there is no way to scale it back down.
 

Stability Issues

Sentiment score
8.3
Amazon RDS is praised for its stability and reliability, with effective failure handling and strong backup features.
Sentiment score
7.0
Azure Database for PostgreSQL is stable with no latency issues, though it may crash during peak usage without auto-healing.
Amazon RDS is very stable when deployed correctly across different zones with the right configurations.
It is a stable product overall, with very few issues.
There is a stability issue where, if the database usage peaks quickly, it may crash and require intervention to restore functionality.
We have generative AI applications, and we have not noticed any latency.
Overall, I have not encountered any real latency issues or stability concerns.
 

Room For Improvement

Amazon RDS users desire better migration tools, database support, customization, scalability, security, cost management, and user-friendly interfaces.
Azure Database for PostgreSQL needs faster scaling, better reliability, extensions, user management, cost efficiency, support, and error detection.
Simplifying migration for those transitioning from on-premises to cloud environments.
Having native Change Data Capture (CDC) support would be beneficial, allowing for seamless integration with Kafka without relying on external technologies like Debezium.
Enabling performance insights to view query formats where the bottlenecks occur, identifying the fixes, slow queries, and missing indexes.
It does not presently support knowledge graph functionalities as Neo4j does.
Azure Database for PostgreSQL can be improved by allowing quicker scaling without blips.
I believe there could be improvements in the mirroring part and Change Data Capture (CDC).
 

Setup Cost

Amazon RDS offers flexible pricing but requires careful provisioning for cost-effectiveness and improved pricing predictability and alerts.
Enterprise buyers appreciate Azure's cost-efficient, pay-as-you-go pricing for PostgreSQL, reducing on-premises database costs significantly.
While Azure provides great services, long-term plans on AWS are 20% to 30% cheaper.
I find the pricing of Amazon RDS fair, as AWS operates on a pay-for-what-you-use model.
I rate the price for Amazon as eight on a scale from one to ten.
We've reduced costs by 60 percent compared to maintaining on-premises solutions.
The pay-as-you-go pricing model positively affects database-related costs by allowing us to start small and scale as needed.
The pay-as-you-go model works well for us.
 

Valuable Features

Amazon RDS offers a fully managed, scalable service with multiple database support, backup automation, and AWS integration for efficiency.
Azure Database for PostgreSQL offers seamless integration, robust networking, efficient AI tools, and strong security with a positive cost-benefit ratio.
Amazon RDS provides data encryption using services like KMS, crucial for securing high-sensitive data and meeting compliance requirements such as HIPAA or PCI DSS.
Database management is effective in Amazon RDS because it offers automated backups, high availability, read replicas, and support from multiple database engineers, while also providing security, monitoring and metrics, scalability.
Amazon RDS makes it easier for me to manage databases compared to traditional databases like MongoDB or local host servers.
My takeaway as a CTO is that they're comfortable with the security posture, the features, the observability, alerts, and now it integrates into the rest of the Azure landscape.
The query analyzers help me find out what's happening in each of the queries.
The most valuable features of Azure Database for PostgreSQL are its networking capabilities, which allow for integration with other Azure services.
 

Categories and Ranking

Amazon RDS
Ranking in Database as a Service (DBaaS)
2nd
Average Rating
8.4
Reviews Sentiment
7.5
Number of Reviews
56
Ranking in other categories
No ranking in other categories
Azure Database for PostgreSQL
Ranking in Database as a Service (DBaaS)
7th
Average Rating
8.6
Reviews Sentiment
7.5
Number of Reviews
9
Ranking in other categories
Open Source Databases (11th)
 

Featured Reviews

Samuel Ebite - PeerSpot reviewer
Ensure high availability with robust encryption and seamless backups
Amazon RDS provides data encryption using services like KMS, crucial for securing high-sensitive data and meeting compliance requirements such as HIPAA or PCI DSS. The best practices we've employed with RDS help design a well-architected framework, encompassing security, encryption, scalability with multi-availability zone deployment, and operational excellence with automated backups. RDS features, such as reserved instances, storage auto-scaling, monitoring with technologies like CloudWatch, and proxies, contribute to cost optimization. The solution enhances security with IAM authentication and offers high availability to end users.
Daniel Amini - PeerSpot reviewer
An incredibly powerful industry leader that enabled us to build critical pieces of national infrastructure
Azure Database is simple and easy to use. We followed the prescribed training and upskilled 10 engineers. They think it's straightforward. They've already got PostgreSQL skills to optimize the solution, so they know what to do. It was easy to get started quickly and become effective. My team speaks highly of the platform's observability and monitoring features. It's as efficient as an enterprise needs it to be and. has all of the tooling and telemetry necessary to run an enterprise database. We take security seriously. The team has looked at the security features, and nothing has been flagged to us. My takeaway as a CTO is that they're comfortable with the security posture, the features, the observability, alerts, and now it integrates into the rest of the Azure landscape. The OpenAI integration and extensions have massively simplified integrating AI into a database. PostgreSQL's native vector capabilities are also incredibly powerful.
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Top Industries

By visitors reading reviews
Computer Software Company
15%
Financial Services Firm
14%
University
6%
Manufacturing Company
6%
Marketing Services Firm
21%
Manufacturing Company
17%
Financial Services Firm
16%
Educational Organization
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

Questions from the Community

What do you like most about Amazon RDS?
The product's installation phase is easy.
What needs improvement with Amazon RDS?
One key improvement would be adding support for multi-storage paradigms, including columnar support, as seen in TiDB. The serverless support with Aurora could also be enhanced. Additionally, having...
What is your experience regarding pricing and costs for Azure Database for PostgreSQL?
Pricing is affordable for us. PostgreSQL is good and affordable for our needs.
What needs improvement with Azure Database for PostgreSQL?
While the flexibility of the server for financial reasons is understandable, better switching between primary and backup would make transitions smoother. I noticed an issue where the primary refuse...
What is your primary use case for Azure Database for PostgreSQL?
We started using Azure Database for PostgreSQL ( /products/azure-database-for-postgresql-reviews ) about five to six years ago. Initially, we were doing an on-premises Kubernetes ( /products/kubern...
 

Also Known As

RDS
No data available
 

Overview

 

Sample Customers

Edmodo
Information Not Available
Find out what your peers are saying about Amazon RDS vs. Azure Database for PostgreSQL and other solutions. Updated: June 2025.
856,873 professionals have used our research since 2012.