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# Azure Cosmos DB vs Azure Database for PostgreSQL Comparison - What are their main differences?

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Azure Cosmos DBAzure Database for PostgreSQL[+ Add Product](#)

Reviews

**Azure Cosmos DB** [

4.2/5(68)

](https://www.g2.com/products/azure-cosmos-db/reviews#reviews)

**Azure Database for PostgreSQL** [

4/5(19)

](https://www.g2.com/products/azure-database-for-postgresql/reviews#reviews)

Pricing

**Azure Cosmos DB**
No pricing available

**Azure Database for PostgreSQL**
No pricing available

**Pricing Insights**
from reviews

Time to Implement

**Azure Cosmos DB**
4 months

Based on 7 responses

**Azure Database for PostgreSQL**
Not enough reviews yet

Return on Investment

**Azure Cosmos DB**
9 months

Based on 7 responses

**Azure Database for PostgreSQL**
Not enough reviews yet

Perceived Cost

**Azure Cosmos DB**
$$$$$

**Azure Database for PostgreSQL**
$$$$$

Average Discount

**Azure Cosmos DB**
19%

**Azure Database for PostgreSQL**
Not enough reviews yet

Pros & Cons

**Azure Cosmos DB**
[
Ease of Use (4)
](https://www.g2.com/products/azure-cosmos-db/reviews?filters%5Bsentiment_snippet%5D=1954161&qs=pros-and-cons#reviews)[
Scalability (3)
](https://www.g2.com/products/azure-cosmos-db/reviews?filters%5Bsentiment_snippet%5D=1954158&qs=pros-and-cons#reviews)[
Expensive (3)
](https://www.g2.com/products/azure-cosmos-db/reviews?filters%5Bsentiment_snippet%5D=1578928&qs=pros-and-cons#reviews)[
Cost Issues (2)
](https://www.g2.com/products/azure-cosmos-db/reviews?filters%5Bsentiment_snippet%5D=1578403&qs=pros-and-cons#reviews)

**Azure Database for PostgreSQL**
Not enough data

Ratings

Meets Requirements

**Azure Cosmos DB**

8.5

8.548

**Azure Database for PostgreSQL**

8.5

8.514

Ease of Use

**Azure Cosmos DB**

8.2

8.248

**Azure Database for PostgreSQL**

8.6

8.613

Ease of Setup

**Azure Cosmos DB**

8.0

8.022

**Azure Database for PostgreSQL**

7.6

7.67

Ease of Admin

**Azure Cosmos DB**

7.7

7.723

**Azure Database for PostgreSQL**

8.1

8.16

Quality of Support

**Azure Cosmos DB**

8.2

8.246

**Azure Database for PostgreSQL**

7.9

7.914

Has the product been a good partner in doing business?

**Azure Cosmos DB**

8.3

8.322

**Azure Database for PostgreSQL**

8.7

8.75

Product Direction (% positive)

**Azure Cosmos DB**

9.0

9.047

**Azure Database for PostgreSQL**

9.2

9.214

Features

Database as a Service (DBaaS)[Hide 17 FeaturesShow 17 Features](javascript:void(0);)

7.8

21

8.5

11

Configuration

Application Performance

8.6

16

8.7(won by 0.1)

10

Orchestration

7.8(won by 0.3)

15

7.5

10

Database Monitoring

8.3

15

8.7(won by 0.4)

10

Anomaly Detection

7.2(tied score)

9

7.2(tied score)

9

Network Security

8.7

15

8.8(won by 0.1)

8

Database Administration

Provisioning

8.4(won by 0.6)

15

 (There is a greater than 0.5 difference between this product's rating and its competitors)

7.8

10

Governance

7.6

9

8.3(won by 0.7)

10

 (There is a greater than 0.5 difference between this product's rating and its competitors)

Auditing

7.1

8

7.4(won by 0.3)

9

Availability

Scalability

8.9

16

9.3(won by 0.4)

10

Backup

8.3

16

9.7(won by 1.4)

10

 (There is a greater than 0.5 difference between this product's rating and its competitors)

Archiving

8.4

15

9.0(won by 0.6)

10

 (There is a greater than 0.5 difference between this product's rating and its competitors)

Indexing

8.6

16

9.0(won by 0.4)

10

Security

Data Masking

7.2(won by default)

6

Not enough data

Authentication And Single Sign-On

7.2(won by default)

6

Not enough data

Data Anonymization

5.6(won by default)

6

Not enough data

Data Management

Data Replication

8.1(won by default)

7

Not enough data

Advanced Data Analytics

7.4(won by default)

7

Not enough data

Document Databases[Hide 54 FeaturesShow 54 Features](javascript:void(0);)

7.7

7

Not enough data

Data Management

Data Model

8.3(won by default)

6

Not enough data

Data Types

7.8(won by default)

6

Not enough data

Built - In Search

7.0(won by default)

5

Not enough data

Event Triggers

7.7(won by default)

5

Not enough data

Semantic Search

Not enough data

Not enough data

Availability

Auto Sharding

7.3(won by default)

5

Not enough data

Auto Recovery

7.3(won by default)

5

Not enough data

Data Replication

8.7(won by default)

5

Not enough data

Backup and Recovery

Not enough data

Not enough data

Real-Time Data

Not enough data

Not enough data

Performance

Query Optimization

6.7(won by default)

6

Not enough data

Ad hoc Query

Not enough data

Not enough data

Security

Role-Based Authorization

8.1(won by default)

6

Not enough data

Authentication

7.7(won by default)

5

Not enough data

Audit Logs

7.3(won by default)

5

Not enough data

Encryption

8.0(won by default)

5

Not enough data

Support

Multi-Model

Not enough data

Not enough data

Operating Systems

Not enough data

Not enough data

BI Connectors

Not enough data

Not enough data

Data Connectors

Not enough data

Not enough data

Additional Functionality

Database Conversion

Not enough data

Not enough data

Monitoring

Not enough data

Not enough data

Activity Dashboard

Not enough data

Not enough data

Data Extraction

Not enough data

Not enough data

Reporting/Analytics

Not enough data

Not enough data

Automatic Backup

Not enough data

Not enough data

Real-Time Monitoring

Not enough data

Not enough data

Audit Management

Not enough data

Not enough data

Data Visualization

Not enough data

Not enough data

Ad hoc Reporting

Not enough data

Not enough data

Compliance Management

Not enough data

Not enough data

Indexing

Not enough data

Not enough data

Search/Filter

Not enough data

Not enough data

Alerts/Notifications

Not enough data

Not enough data

Data Verification

Not enough data

Not enough data

Performance Testing

Not enough data

Not enough data

Data Capture and Transfer

Not enough data

Not enough data

Security Auditing

Not enough data

Not enough data

Access Controls/Permissions

Not enough data

Not enough data

Role-Based Permissions

Not enough data

Not enough data

Data Mapping

Not enough data

Not enough data

Data Retrieval

Not enough data

Not enough data

AI Copilot

Not enough data

Not enough data

Third-Party Integrations

Not enough data

Not enough data

Generative AI

Not enough data

Not enough data

Configuration Management

Not enough data

Not enough data

Audit Trail

Not enough data

Not enough data

For NoSQL Databases

Not enough data

Not enough data

Data Import/Export

Not enough data

Not enough data

Data Migration

Not enough data

Not enough data

Data Synchronization

Not enough data

Not enough data

API

Not enough data

Not enough data

Serverless Accessibility

Not enough data

Not enough data

Multiple Data Sources

Not enough data

Not enough data

Show 5 feature categories with incomplete data

Database Management Systems (DBMS)[Hide 48 FeaturesShow 48 Features](javascript:void(0);)

Not enough data

Not enough data

Management

Data dictionary

Not enough data

Not enough data

Data Replication

Not enough data

Not enough data

Query Language

Not enough data

Not enough data

Data Modeling

Not enough data

Not enough data

Performance Analysis

Not enough data

Not enough data

Data Synchronization

Not enough data

Not enough data

Real-Time Data

Not enough data

Not enough data

Data Storage Management

Not enough data

Not enough data

Maintenance

Data Migration

Not enough data

Not enough data

Backup and Recovery

Not enough data

Not enough data

Multi-User Environment

Not enough data

Not enough data

Automatic Backup

Not enough data

Not enough data

Database Conversion

Not enough data

Not enough data

Security

Data Encryption

Not enough data

Not enough data

User Access Control

Not enough data

Not enough data

Mobile Access

Not enough data

Not enough data

Additional Functionality

Workflow Management

Not enough data

Not enough data

Third-Party Integrations

Not enough data

Not enough data

Data Extraction

Not enough data

Not enough data

Relational Database Management

Not enough data

Not enough data

SSL Security

Not enough data

Not enough data

API

Not enough data

Not enough data

Data Connectors

Not enough data

Not enough data

Search/Filter

Not enough data

Not enough data

Reporting & Statistics

Not enough data

Not enough data

Customizable Templates

Not enough data

Not enough data

AI Copilot

Not enough data

Not enough data

Full Text Search

Not enough data

Not enough data

Data Virtualization

Not enough data

Not enough data

Data Import/Export

Not enough data

Not enough data

Generative AI

Not enough data

Not enough data

Drag & Drop

Not enough data

Not enough data

Customizable Fields

Not enough data

Not enough data

Authentication

Not enough data

Not enough data

Data Visualization

Not enough data

Not enough data

Secure Data Storage

Not enough data

Not enough data

Activity Dashboard

Not enough data

Not enough data

Data Mapping

Not enough data

Not enough data

Multiple Programming Languages Supported

Not enough data

Not enough data

Data Capture and Transfer

Not enough data

Not enough data

User Management

Not enough data

Not enough data

NOSQL Database Management

Not enough data

Not enough data

Access Controls/Permissions

Not enough data

Not enough data

Calendar Management

Not enough data

Not enough data

Real-Time Monitoring

Not enough data

Not enough data

Document Storage

Not enough data

Not enough data

Audit Management

Not enough data

Not enough data

Charting

Not enough data

Not enough data

Key Value Databases[Hide 12 FeaturesShow 12 Features](javascript:void(0);)

Not enough data

Not enough data

Data Management

Data Model

Not enough data

Not enough data

Data Types

Not enough data

Not enough data

Availability

Auto Sharding

Not enough data

Not enough data

Auto Recovery

Not enough data

Not enough data

Data Replication

Not enough data

Not enough data

Performance 

Integrated Cache

Not enough data

Not enough data

Security

Role-Based Authorization

Not enough data

Not enough data

Authentication

Not enough data

Not enough data

Audit Logs

Feature Not Available

Not enough data

Encryption

Not enough data

Not enough data

Support

Multi-Model

Not enough data

Not enough data

Operating Systems

Not enough data

Not enough data

Graph Databases[Hide 15 FeaturesShow 15 Features](javascript:void(0);)

Not enough data

Not enough data

Data Management

Data Model

Not enough data

Not enough data

Data Types

Not enough data

Not enough data

Built - In Search

Not enough data

Not enough data

Event Triggers

Not enough data

Not enough data

Query Language

Not enough data

Not enough data

Availability

Auto Sharding

Not enough data

Not enough data

Auto Recovery

Not enough data

Not enough data

Performance

Query Optimization

Not enough data

Not enough data

Security

Role-Based Authorization

Not enough data

Not enough data

Authentication

Not enough data

Not enough data

Audit Logs

Not enough data

Not enough data

Encryption

Not enough data

Not enough data

Support

Multi-Model

Not enough data

Not enough data

BI Connectors

Not enough data

Not enough data

Operating Systems

Not enough data

Not enough data

Columnar Databases[Hide 12 FeaturesShow 12 Features](javascript:void(0);)

Not enough data

Not enough data

Storage

Data Model

Not enough data

Not enough data

Data Types

Not enough data

Not enough data

Availability

Auto Sharding

Not enough data

Not enough data

Auto Recovery

Not enough data

Not enough data

Data Replication

Not enough data

Not enough data

Performance

Integrated Cache

Not enough data

Not enough data

Security

Role-Based Authorization

Not enough data

Not enough data

Authentication

Not enough data

Not enough data

Audit Logs

Not enough data

Not enough data

Encryption

Not enough data

Not enough data

Support

Multi-Model

Not enough data

Not enough data

Operating Systems

Not enough data

Not enough data

NoSQL Databases[Hide 7 FeaturesShow 7 Features](javascript:void(0);)

Not enough data

Not enough data

Database Features

Storage

Not enough data

Not enough data

Availability

Not enough data

Not enough data

Stability

Not enough data

Not enough data

Scalability

Not enough data

Not enough data

Security

Not enough data

Not enough data

Data Manipulation

Not enough data

Not enough data

Query Language

Not enough data

Not enough data

User Insights

Reviewers' Company Size

[![Azure Cosmos DB](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_f176b4154a751d10150daa67a57b7dc5/azure-cosmos-db.jpg "Azure Cosmos DB")](https://www.g2.com/products/azure-cosmos-db/reviews)

Azure Cosmos DB

Small-Business(50 or fewer emp.)

30.5%

Mid-Market(51-1000 emp.)

27.1%

Enterprise(\> 1000 emp.)

42.4%

[![Azure Database for PostgreSQL](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_f176b4154a751d10150daa67a57b7dc5/azure-database-for-postgresql.jpg "Azure Database for PostgreSQL")](https://www.g2.com/products/azure-database-for-postgresql/reviews)

Azure Database for PostgreSQL

Small-Business(50 or fewer emp.)

38.9%

Mid-Market(51-1000 emp.)

33.3%

Enterprise(\> 1000 emp.)

27.8%

Small-Business

(50 or fewer emp.)

30.5%

38.9%

Mid-Market

(51-1000 emp.)

27.1%

33.3%

Enterprise

(\> 1000 emp.)

42.4%

27.8%

Reviewers' Industry

[![Azure Cosmos DB](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_f176b4154a751d10150daa67a57b7dc5/azure-cosmos-db.jpg "Azure Cosmos DB")](https://www.g2.com/products/azure-cosmos-db/reviews)
Azure Cosmos DB

Information Technology and Services

23.7%

Computer Software

20.3%

Internet

8.5%

Retail

5.1%

Computer & Network Security

3.4%

Other

39.0%

[![Azure Database for PostgreSQL](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_f176b4154a751d10150daa67a57b7dc5/azure-database-for-postgresql.jpg "Azure Database for PostgreSQL")](https://www.g2.com/products/azure-database-for-postgresql/reviews)
Azure Database for PostgreSQL

Computer Software

27.8%

Retail

5.6%

Paper & Forest Products

5.6%

Oil & Energy

5.6%

Marketing and Advertising

5.6%

Other

50.0%

FAQs

## Azure Cosmos DB vs Azure Database for PostgreSQL FAQs

Generated using AI

Last updated: August 14, 2026

### What is the difference between Azure Database for PostgreSQL vs Azure Cosmos DB?

Azure Database for PostgreSQL is a managed relational database service, while Azure Cosmos DB is a multi-model NoSQL database with broader scalability and integration features.

| [Azure Database for PostgreSQL](https://www.g2.com/products/azure-database-for-postgresql/reviews) | [Azure Cosmos DB](https://www.g2.com/products/azure-cosmos-db/reviews) |
| --- | --- |
| 4.0/5 (19 reviews) | 4.2/5 (68 reviews) |
| — | — |
| 7.6 | 8.0 |
| 7.9 | 8.2 |
| Automated backups and high availability | Scalability and multi-model support |

### How do the pricing models of Azure Database for PostgreSQL and Azure Cosmos DB compare?

Azure Database for PostgreSQL is rated higher for value than Azure Cosmos DB, with reviewers expressing greater satisfaction with its pricing model.

- **Azure Database for PostgreSQL:** Reviewers highlight its reasonable pricing and flexibility, with positive sentiment around cost-effectiveness and contract negotiation.
- **Azure Cosmos DB:** In recent reviews, many cite high costs and rapid cost increases as a concern, especially when scaling throughput or storage.
- **Switching reasons:** Reviewers mention moving to Azure Database for PostgreSQL to reduce infrastructure maintenance and operational headaches, while cost is a recurring reason for dissatisfaction with Azure Cosmos DB.

### What are the best alternatives to Azure Database for PostgreSQL and Azure Cosmos DB?

The top 3 alternatives to Azure Database for PostgreSQL and Azure Cosmos DB are Amazon DynamoDB, MongoDB Atlas, and DBeaver.

| Product | G2 Rating (reviews) | Largest Segment | Pricing Insight | Top Reviewer-Cited Strength |
| --- | --- | --- | --- | --- |
| [Azure Database for PostgreSQL](https://www.g2.com/products/azure-database-for-postgresql/reviews) | 4.0/5 (19 reviews) | — | Reviewers describe it as cost-effective and flexible. | Automated backups and high availability |
| [Azure Cosmos DB](https://www.g2.com/products/azure-cosmos-db/reviews) | 4.2/5 (68 reviews) | — | Reviewers frequently mention high costs and rapid cost increases. | Scalability and multi-model support |
| [Amazon DynamoDB](https://www.g2.com/products/amazon-web-services-aws-amazon-dynamodb/reviews) | 4.4/5 (529 reviews) | Small-Business | — | High performance and scalability |
| [MongoDB Atlas](https://www.g2.com/products/mongodb-atlas/reviews) | 4.5/5 (900 reviews) | Small-Business | — | Flexible NoSQL data model |
| [DBeaver](https://www.g2.com/products/dbeaver/reviews) | 4.4/5 (172 reviews) | Mid-Market | — | Comprehensive database management tools |

### Which Database as a Service (DBaaS) features should I prioritize when comparing Azure Database for PostgreSQL and Azure Cosmos DB?

Buyers should prioritize scalability, integration capabilities, ease of setup, quality of support, and security features when comparing Azure Database for PostgreSQL and Azure Cosmos DB.

- **Scalability:** Azure Cosmos DB is frequently cited for its scalability (3 all-time mentions), while Azure Database for PostgreSQL is praised for straightforward scaling during peak traffic.
- **Integration capabilities:** Azure Cosmos DB has 3 all-time mentions for integrations, with reviewers noting easy integration with Microsoft services; Azure Database for PostgreSQL is valued for native integration with Azure App Service and Microsoft Entra ID.
- **Ease of setup:** Azure Cosmos DB scores 8.0, Azure Database for PostgreSQL scores 7.6.
- **Quality of support:** Azure Cosmos DB scores 8.2, Azure Database for PostgreSQL scores 7.9.
- **Security features:** Both products are praised for strong security, with Azure Database for PostgreSQL benefiting from Azure's security framework and Cosmos DB noted for security protection (2 all-time mentions).

### What are the pros and cons of Azure Database for PostgreSQL vs Azure Cosmos DB?

Azure Database for PostgreSQL's headline strength is operational simplicity and high availability, while Azure Cosmos DB stands out for scalability and multi-model support.

- **Azure Database for PostgreSQL strengths:** Automated backups, zone-redundant high availability, native integration with Microsoft Entra ID, and reduced infrastructure maintenance.
- **Azure Database for PostgreSQL trade-offs:** Rigid storage scaling, resource-heavy connection management, and less extension support compared to on-prem PostgreSQL.
- **Azure Cosmos DB strengths:** Scalability (3 all-time mentions), multi-model support (relational and NoSQL), easy integration with Microsoft services, and strong security protection (2 all-time mentions).
- **Azure Cosmos DB trade-offs:** High and sometimes unpredictable costs (3 all-time mentions for expensive, 2 for cost issues), complexity in usage and learning curve, and performance challenges at higher scale.

### Is Azure Database for PostgreSQL or Azure Cosmos DB better for small businesses?

MongoDB Atlas and Amazon DynamoDB are the top alternatives for small businesses, but among the two, Azure Cosmos DB is more frequently cited for small-business use cases.

- **Azure Database for PostgreSQL:** No largest segment data available, but reviewers from medium-sized companies highlight its operational simplicity and cost-effectiveness.
- **Azure Cosmos DB:** Small-business reviewers highlight its flexibility, scalability, and integration with Microsoft services, making it a strong fit for small organizations.

### Which Database as a Service (DBaaS) platform has better integrations?

Azure Cosmos DB is favored for integrations, with reviewers citing more frequent and broader integration capabilities.

- **Azure Database for PostgreSQL:** Reviewers mention integration with Azure App Service and Microsoft Entra ID, with positive sentiment around native Azure ecosystem compatibility.
- **Azure Cosmos DB:** Integrations are cited in 3 all-time mentions, with reviewers highlighting easy integration with Microsoft services, Office 365, and Active Directory.

### How do Azure Database for PostgreSQL and Azure Cosmos DB compare on customer support?

Azure Cosmos DB and Azure Database for PostgreSQL are rated in near-parity for Quality of Support, with Cosmos DB at 8.2 and PostgreSQL at 7.9.

- **Azure Database for PostgreSQL:** Reviewers describe support as generally responsive, with some noting room for improvement in timeliness and technical depth.
- **Azure Cosmos DB:** Reviewers highlight strong customer support, with several citing helpfulness and fast resolution, though a few mention occasional dissatisfaction with support responsiveness.

### Which is easier to implement, Azure Database for PostgreSQL or Azure Cosmos DB?

Azure Cosmos DB scores higher on Ease of Setup (8.0 vs 7.6), indicating reviewers find it easier to implement than Azure Database for PostgreSQL.

- **Azure Database for PostgreSQL:** Reviewers note straightforward setup but mention challenges with storage scaling and connection management.
- **Azure Cosmos DB:** Reviewers consistently describe setup as easy and fast, with positive experiences integrating into existing Microsoft environments.

### Which product has better Encryption?

Azure Cosmos DB is more frequently cited for strong encryption and security protection.

- **Azure Database for PostgreSQL:** Reviewers praise Azure's security framework, but mention some lack of clarity around encryption at rest and in transit.
- **Azure Cosmos DB:** Security protection is cited in 2 all-time mentions, with reviewers highlighting top-notch encryption and compliance with regulatory standards.

Alternatives

**Azure Cosmos DB Alternatives**

 ![Amazon DynamoDB](https://images.g2crowd.com/uploads/product/hd_favicon/5383be31b099738701f86724a8b5cf9a/amazon-web-services-aws-amazon-dynamodb.svg "Amazon DynamoDB")

[
Amazon DynamoDB
](/products/amazon-web-services-aws-amazon-dynamodb/reviews)

 ![Arango](https://images.g2crowd.com/uploads/product/hd_favicon/e25ea2e3c08688b5a248e3f3bb669eff/arango.svg "Arango")

[
Arango
](/products/arango/reviews)

 ![Redis Software](https://images.g2crowd.com/uploads/product/hd_favicon/bc33baea6f8c2aa6f6b84dfec0a91f54/redis-software.svg "Redis Software")

[
Redis Software
](/products/redis-software/reviews)

 ![MongoDB Atlas](https://images.g2crowd.com/uploads/product/hd_favicon/d217eaad5fe841fcdd1136204e725516/mongodb-atlas%282%29.svg "MongoDB Atlas")

[
MongoDB Atlas
](/products/mongodb-atlas/reviews)

**Azure Database for PostgreSQL Alternatives**

 ![MongoDB Atlas](https://images.g2crowd.com/uploads/product/hd_favicon/d217eaad5fe841fcdd1136204e725516/mongodb-atlas%282%29.svg "MongoDB Atlas")

[
MongoDB Atlas
](/products/mongodb-atlas/reviews)

 ![DBeaver](https://images.g2crowd.com/uploads/product/hd_favicon/c70ecec3baa906b4d9eec0752e0a20c1/dbeaver.svg "DBeaver")

[
DBeaver
](/products/dbeaver/reviews)

 ![Snowflake](https://images.g2crowd.com/uploads/product/hd_favicon/1544409170/snowflake.svg "Snowflake")

[
Snowflake
](/products/snowflake/reviews)

 ![Amazon Relational Database Service (RDS)](https://images.g2crowd.com/uploads/product/hd_favicon/1533130188/amazon-relational-database-service-rds.svg "Amazon Relational Database Service (RDS)")

[
Amazon Relational Database...
](/products/amazon-relational-database-service-rds/reviews)

## Azure Cosmos DB vs Azure Database for PostgreSQL

When assessing the two solutions, reviewers found Azure Database for PostgreSQL easier to use, administer, and do business with overall. However, reviewers preferred the ease of set up with Azure Cosmos DB.

- Azure Cosmos DB and Azure Database for PostgreSQL both meet the requirements of our reviewers at a comparable rate.
- When comparing quality of ongoing product support, reviewers felt that Azure Cosmos DB is the preferred option.
- For feature updates and roadmaps, our reviewers preferred the direction of Azure Database for PostgreSQL over Azure Cosmos DB.