AWS IoT Core versus Amazon EventBridge (formerly CloudWatch Events)

25 Jul 2021

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

AWS IoT Core Amazon EventBridge (formerly CloudWatch Events)
Scaling

not disclosed

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

Max. message size

128 KB

256 KB

Persistence

up to 1 hour

archiving is possible

Replication

Multi-AZ

Multi-AZ

Order guarantee

no

no

Delivery guarantee

at least once / at most once

at least once

Pricing

per message + connection duration

per message

Protocols

MQTT, AWS Rest API

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

no

yes

Encryption in transit

yes

yes