Amazon Kinesis Data Streams versus AWS IoT Core

11 Dec 2024

Learn how Amazon Kinesis Data Streams differs from AWS IoT Core.

	Amazon Kinesis Data Streams	AWS IoT Core
Scaling	1 MB or 1000 msg/sec per shard; up to 500 shards; you need to manually add/remove shards	not disclosed
Max. message size	1 MB	128 KB
Persistence	up to 365 days	up to 1 hour
Replication	Multi-AZ	Multi-AZ
Order guarantee	within a shard	no
Delivery guarantee	at least once	at least once / at most once
Pricing	per shard hour	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