Databases & ORMs · comparison
PostgreSQL vs Redis
Both PostgreSQL and Redis are databases & orms. Here's how they compare at a glance — and remember you can add both to your stack and ask Smart Stack a question grounded in each one's current docs.
| Attribute | PostgreSQL | Redis |
|---|---|---|
| Category | Databases & ORMs | Databases & ORMs |
| Language | C | C |
| First released | 1996 | 2009 |
| License | PostgreSQL License | RSALv2/SSPL |
| Latest version | v17 | v7.4 |
| Pages indexed | 900 | 320 |
| Documentation | PostgreSQL docs → | Redis docs → |
When to choose PostgreSQL
Choose PostgreSQL as a default relational database when you want power, correctness, and extensibility.
Explore PostgreSQL docs →When to choose Redis
Choose Redis for caching, sessions, queues, and real-time features that need microsecond access.
Explore Redis docs →$ smart-stack ask
Still deciding between PostgreSQL and Redis?
Add both to your stack and ask Smart Stack. It pulls from each tool's official docs — ideal when you're weighing a choice or planning a migration.
>Should I use PostgreSQL or Redis for my project?
Compare in Smart StackPostgreSQL vs Redis — FAQ
What is the difference between PostgreSQL and Redis?
PostgreSQL — The world's most advanced open-source relational database. Redis — The open-source in-memory data store. Both sit in the databases & orms space; the right pick depends on your constraints, which the comparison above breaks down.
Is PostgreSQL better than Redis?
Neither is universally "better." Choose PostgreSQL as a default relational database when you want power, correctness, and extensibility. Choose Redis for caching, sessions, queues, and real-time features that need microsecond access. Ask Smart Stack with both in your stack to get an answer grounded in their current docs.
Can Smart Stack answer questions about both PostgreSQL and Redis?
Yes — add both to your stack and Smart Stack searches the official docs for each, which is especially useful when you're migrating from one to the other or weighing a decision.