Amazon SQS FIFO versus AWS IoT Core

11 Dec 2024

Learn how Amazon SQS FIFO differs from AWS IoT Core.

	Amazon SQS FIFO	AWS IoT Core
Scaling	3000 msg/sec (batch write)	not disclosed
Max. message size	256 KB	128 KB
Persistence	up to 14 days	up to 1 hour
Replication	Multi-AZ	Multi-AZ
Order guarantee	yes	no
Delivery guarantee	exactly-once possible	at least once / at most once
Pricing	per message	per message + connection duration
Protocols	AWS Rest API	MQTT, AWS Rest API
AWS Integrations	Lambda	Lambda, SQS, SNS, and many more
License	AWS only	AWS only
Encryption at rest	yes	no
Encryption in transit	yes	yes

Further reading