Amazon RedShift requires framework management and data preparation, while Athena gets straight to querying data directly from Amazon S3.
Amazon Athena is noteworthy because it doesn’t require initial setup (it is serverless), so it’s perfect for simple querying. Athena is best for running queries quickly and conveniently without setting up a complex infrastructure.
Amazon RedShift excels at performing complex joins, inner queries, and aggregation. The foundation of Amazon RedShift is great for expanding data, and adding more clusters is simple.