Amazon DynamoDB vs Azure Cosmos DB
Side-by-side comparison of features, pricing, and integrations.
Quick Verdict
Amazon DynamoDB offers more features (67 vs 20) and more integrations (13 vs 10). Both start at Contact Sales. Amazon DynamoDB has 65 unique features while Azure Cosmos DB has 18 unique features, with 2 features in common.
| Amazon DynamoDB | Azure Cosmos DB | |
|---|---|---|
| Category | Database | Database |
| Total Features | 67 | 20 |
| AI-Powered Features | 0 | 5 |
| Starting Price | Contact Sales | Contact Sales |
| Pricing Tiers | 3 | 0 |
| Integrations | 13 | 10 |
| Shared Features | 2 | |
| Shared Integrations | 0 | |
| Data Quality | 95% | 55% |
Feature Comparison by Category
AI (0 vs 5)
| Feature | Amazon DynamoDB | Azure Cosmos DB |
|---|---|---|
| Hybrid Search | ||
| Microsoft Foundry Integration | ||
| Natural Language Query Generation | ||
| RAG Integration | ||
| Vector Search |
API (0 vs 1)
| Feature | Amazon DynamoDB | Azure Cosmos DB |
|---|---|---|
| Native Document API |
Analytics (3 vs 1)
| Feature | Amazon DynamoDB | Azure Cosmos DB |
|---|---|---|
| IoT Data Capture | ||
| Microsoft Fabric Integration | ||
| Real-Time Business Analytics | ||
| Real-Time Log Aggregation |
Backup & Recovery (7 vs 0)
| Feature | Amazon DynamoDB | Azure Cosmos DB |
|---|---|---|
| AWS Backup Integration | ||
| Automated Backup Encryption | ||
| Automated Backup Management | ||
| Cross-Region Restore | ||
| On-Demand Backup and Restore | ||
| Point-in-Time Recovery (PITR) | ||
| Single Click PITR Enable |
Compliance (4 vs 0)
| Feature | Amazon DynamoDB | Azure Cosmos DB |
|---|---|---|
| FINMA Compliance | ||
| ISO Compliance | ||
| PCI Compliance | ||
| SOC Compliance |
Cost Management (0 vs 1)
| Feature | Amazon DynamoDB | Azure Cosmos DB |
|---|---|---|
| Dynamic Autoscale |
Cost Optimization (5 vs 0)
| Feature | Amazon DynamoDB | Azure Cosmos DB |
|---|---|---|
| Cost Allocation Tags | ||
| Flexible Table Class Switching | ||
| Maximum Throughput Controls | ||
| Standard Table Class | ||
| Standard-IA Table Class |
Data Import/Export (3 vs 0)
| Feature | Amazon DynamoDB | Azure Cosmos DB |
|---|---|---|
| Bulk Export to Amazon S3 | ||
| Bulk Import from Amazon S3 | ||
| Point-in-Time Data Export |
Data Integrity (2 vs 0)
| Feature | Amazon DynamoDB | Azure Cosmos DB |
|---|---|---|
| ACID Transactions | ||
| Multi-Item Transactions |
Data Management (0 vs 1)
| Feature | Amazon DynamoDB | Azure Cosmos DB |
|---|---|---|
| Flexible JSON Schema |
Data Model (3 vs 0)
| Feature | Amazon DynamoDB | Azure Cosmos DB |
|---|---|---|
| Document Data Model | ||
| Flexible Schema | ||
| Key-Value Data Model |
Deployment (0 vs 1)
| Feature | Amazon DynamoDB | Azure Cosmos DB |
|---|---|---|
| Serverless Architecture |
Developer Experience (0 vs 1)
| Feature | Amazon DynamoDB | Azure Cosmos DB |
|---|---|---|
| Multi-Language SDK Support |
Event Processing (0 vs 1)
| Feature | Amazon DynamoDB | Azure Cosmos DB |
|---|---|---|
| Change Feed |
Infrastructure (1 vs 0)
| Feature | Amazon DynamoDB | Azure Cosmos DB |
|---|---|---|
| Serverless Architecture |
Management (4 vs 0)
| Feature | Amazon DynamoDB | Azure Cosmos DB |
|---|---|---|
| AWS CLI/SDK Support | ||
| AWS Management Console Integration | ||
| CloudFormation Support | ||
| Fully Managed Service |
Multi-tenancy (0 vs 1)
| Feature | Amazon DynamoDB | Azure Cosmos DB |
|---|---|---|
| Multitenant Fleet Management |
Performance (3 vs 2)
| Feature | Amazon DynamoDB | Azure Cosmos DB |
|---|---|---|
| Global Scale with Low Latency | ||
| Global Secondary Indexes | ||
| No Cold Starts | ||
| Single-digit Millisecond Performance | ||
| Warm Throughput |
Pricing (6 vs 2)
| Feature | Amazon DynamoDB | Azure Cosmos DB |
|---|---|---|
| AWS Pricing Calculator Integration | ||
| Database Savings Plans | ||
| Free Tier Option | ||
| Multiple Pricing Models | ||
| On-Demand Capacity Mode | ||
| Pay-Per-Request Billing | ||
| Provisioned Capacity Mode | ||
| Reserved Capacity |
Querying (3 vs 0)
| Feature | Amazon DynamoDB | Azure Cosmos DB |
|---|---|---|
| Global Secondary Indexes | ||
| Local Secondary Indexes | ||
| Secondary Indexes |
Reliability (3 vs 1)
| Feature | Amazon DynamoDB | Azure Cosmos DB |
|---|---|---|
| 99.999% Availability | ||
| Built-in Availability and Durability | ||
| Per-Partition Automatic Failover | ||
| Zero Downtime Maintenance |
Resilience (3 vs 0)
| Feature | Amazon DynamoDB | Azure Cosmos DB |
|---|---|---|
| Active-Active Replication | ||
| Global Tables | ||
| Multi-Region Strong Consistency |
Scalability (4 vs 1)
| Feature | Amazon DynamoDB | Azure Cosmos DB |
|---|---|---|
| Auto Scaling | ||
| Automatic Partitioning | ||
| Instant Scaling | ||
| Storage Auto Scaling | ||
| Throughput Auto Scaling |
Security (8 vs 1)
| Feature | Amazon DynamoDB | Azure Cosmos DB |
|---|---|---|
| AWS KMS Integration | ||
| Attribute-Level Encryption | ||
| Embedded Security and Compliance | ||
| Encryption at Rest | ||
| Encryption in Transit | ||
| Fine-Grained Access Control | ||
| IAM Integration | ||
| PrivateLink Support | ||
| VPC Endpoints |
Streaming (5 vs 0)
| Feature | Amazon DynamoDB | Azure Cosmos DB |
|---|---|---|
| Before and After Image Tracking | ||
| DynamoDB Streams | ||
| Kinesis Data Firehose Integration | ||
| Kinesis Data Streams for DynamoDB | ||
| Stream Deduplication |
Unique Features
Only in Amazon DynamoDB (65)
IoT Data Capture
Real-Time Business Analytics
Real-Time Log Aggregation
Automated Backup Encryption
Automated Backup Management
AWS Backup Integration
Cross-Region Restore
On-Demand Backup and Restore
Point-in-Time Recovery (PITR)
Single Click PITR Enable
FINMA Compliance
ISO Compliance
PCI Compliance
SOC Compliance
Cost Allocation Tags
Flexible Table Class Switching
Maximum Throughput Controls
Standard Table Class
Standard-IA Table Class
Bulk Export to Amazon S3
+ 45 more unique features
Only in Azure Cosmos DB (18)
Hybrid Search
Microsoft Foundry Integration
Natural Language Query Generation
RAG Integration
Vector Search
Microsoft Fabric Integration
Native Document API
Dynamic Autoscale
Flexible JSON Schema
Multi-Language SDK Support
Change Feed
Multitenant Fleet Management
Global Scale with Low Latency
Free Tier Option
Multiple Pricing Models
Per-Partition Automatic Failover
Automatic Partitioning
Embedded Security and Compliance
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