Amazon SQS Standard versus Amazon SNS FIFO

30 Nov 2022

Learn how Amazon SQS Standard differs from Amazon SNS FIFO.

Amazon SQS Standard Amazon SNS FIFO
Scaling

nearly unlimited

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

Max. message size

256 KB

256 KB

Persistence

up to 14 days

no

Replication

Multi-AZ

Multi-AZ

Order guarantee

no

yes

Delivery guarantee

at least once

exactly-once possible

Pricing

per message

per message

Protocols

AWS Rest API

AWS Rest API

AWS Integrations

Lambda

SQS FIFO

License

AWS only

AWS only

Encryption at rest

yes

yes

Encryption in transit

yes

yes