Amazon SNS FIFO versus Amazon EventBridge (formerly CloudWatch Events)

30 Nov 2022

Learn how Amazon SNS FIFO differs from Amazon EventBridge (formerly CloudWatch Events).

Amazon SNS FIFO Amazon EventBridge (formerly CloudWatch Events)
Scaling

3000 msg/sec (batch write) or 10 MB per second

not disclosed (default soft limit depends on region; e.g., 10,000 msg/sec in eu-west-1)

Max. message size

256 KB

256 KB

Persistence

no

archiving is possible

Replication

Multi-AZ

Multi-AZ

Order guarantee

yes

no

Delivery guarantee

exactly-once possible

at least once

Pricing

per message

per message

Protocols

AWS Rest API

AWS Rest API

AWS Integrations

SQS FIFO

Lambda, SQS, SNS, and many more

License

AWS only

AWS only

Encryption at rest

yes

yes

Encryption in transit

yes

yes