TL;DR: For a marketplace that must drain a rate-limited worker pool, choose Amazon SQS when the failure policy should live in the queue. Choose RabbitMQ when you need broker-level control and accept owning retry behavior. BullMQ is a reasonable Node.js-centered third option when Redis is already part of the operating model. In every case, make the worker idempotent.

The important boundary is not "which queue is faster?" It is "who owns a failed delivery, and what happens after the final attempt?" A delivery guarantee is a design decision, not a checkbox.

Retry is a boundary.

The decision table

Option Pick it when Retry shape Main trade-off

Amazon SQS You want managed queue operations and a policy-driven dead-letter path A failed message can move to a DLQ after the configured receive policy API-request billing makes usage part of the operating model

RabbitMQ You need broker control, routing flexibility, or an existing RabbitMQ estate Your application or broker setup must define the retry path Custom…