Amazon EventBridge (formerly CloudWatch Events) versus AWS IoT Core

17 Oct 2021

Learn how Amazon EventBridge (formerly CloudWatch Events) differs from AWS IoT Core.

Amazon EventBridge (formerly CloudWatch Events) AWS IoT Core
Scaling

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

not disclosed

Max. message size

256 KB

128 KB

Persistence

archiving is possible

up to 1 hour

Replication

Multi-AZ

Multi-AZ

Order guarantee

no

no

Delivery guarantee

at least once

at least once / at most once

Pricing

per message

per message + connection duration

Protocols

AWS Rest API

MQTT, AWS Rest API

AWS Integrations

Lambda, SQS, SNS, and many more

Lambda, SQS, SNS, and many more

License

AWS only

AWS only

Encryption at rest

yes

no

Encryption in transit

yes

yes