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PostgreSQL vs YugabyteDB

PostgreSQL: The extensible, standards-first open-source relational database. YugabyteDB: Apache-licensed distributed SQL that reuses the PostgreSQL query layer on a Raft-replicated storage engine.

key differences

  • YugabyteDB is built for larger datasets (≤ 1 PB) than PostgreSQL (≤ 10 TB).
  • Horizontal scaling is addon in PostgreSQL and native in YugabyteDB.
  • Only PostgreSQL has geospatial, pub/sub.
  • Only YugabyteDB has ttl / expiry, encryption at rest.

choose postgresql for

  • +General-purpose application backend
  • +SaaS multi-tenant data
  • +Geospatial applications with PostGIS
  • +Semantic search alongside relational data with pgvector

best at · OLTP, Geo, Search

choose yugabytedb for

  • +Scaling a Postgres application beyond one primary
  • +Multi-region customer and order data with zone/region resilience
  • +Retail and financial OLTP needing horizontal write capacity
  • +IoT and telemetry metadata with TTL on YCQL tables

best at · OLTP, Metadata, IoT

PostgreSQLThe extensible, standards-first open-source relational database.
YugabyteDBApache-licensed distributed SQL that reuses the PostgreSQL query layer on a Raft-replicated storage engine.
overview
Primary model
Relational
Relational
Also supports
Document, Spatial
Document, Wide-Column, Vector
Type
Database engine
Database engine
Status
Active
Active
Developer
PostgreSQL Global Development Group
Yugabyte, Inc.
First release
1996
2017
Latest version
18.6 (Aug 13, 2026)
2026.1.2.0 (Sep 22, 2026)
License
Open source (permissive)PostgreSQL License
Open source (permissive)Apache License 2.0
Free tier
✓
✓
popularity
WhichDB Score
93.2
32.7
Rank
#1
#69
GitHub stars
22.6K
10.6K
Stack Overflow questions
178.8K
370
scale & guarantees
Comfortable data size
Medium (≤ 10 TB)
Large (≤ 1 PB)
Horizontal scaling
Addon
Native
Multi-region
Read replicas
Active active
ACID
Full
Full
Consistency
Strong
Strong, Tunable
Schema
Strict
Strict
Architecture
Single node, Primary replica, Client server
Distributed, Multi primary, Client server
deployment
Self-hosted
✓
✓
Vendor-managed cloud
—
✓
Serverless
—
—
Embedded
—
—
Edge
—
—
Clouds
AWS, Google Cloud, Azure, Oracle Cloud, IBM Cloud, Alibaba Cloud
AWS, Google Cloud, Azure
capabilities
Transactions
✓
✓
Joins
✓
✓
Secondary indexes
✓
✓
Full-text search
✓
✓
Vector search
✓
✓
Geospatial
✓
—
JSON
✓
✓
Change data capture
✓
✓
Triggers
✓
✓
Stored procedures
✓
✓
Materialized views
✓
✓
TTL / expiry
—
✓
Pub/Sub
✓
—
Columnar storage
—
—
In-memory
—
—
Durable persistence
✓
✓
Compression
✓
✓
Encryption at rest
—
✓
Role-based access
✓
✓
Time travel
—
—
Branching
—
—
Online schema changes
✓
✓
Streaming ingest
—
—
Offline sync
—
—
Runs in WebAssembly
—
—
interfaces
Query languages
SQL, PL/pgSQL
SQL, PL/pgSQL, CQL
Client languages
C, Java, Python, JavaScript, Go, Rust, C#, Ruby
Java, Go, Python, JavaScript, C#, Rust, Ruby, C++
Best for
OLTP, Geo, Search, Content
OLTP, Metadata, IoT, Vector search
Add more to this comparisonNot sure either fits? Try smart match

PostgreSQL vs YugabyteDB: FAQ

What is the difference between PostgreSQL and YugabyteDB?

PostgreSQL: The extensible, standards-first open-source relational database. YugabyteDB: Apache-licensed distributed SQL that reuses the PostgreSQL query layer on a Raft-replicated storage engine. YugabyteDB is built for larger datasets (≤ 1 PB) than PostgreSQL (≤ 10 TB). Horizontal scaling is addon in PostgreSQL and native in YugabyteDB. Only PostgreSQL has geospatial, pub/sub.

When should I choose PostgreSQL over YugabyteDB?

Choose PostgreSQL for general-purpose application backend, SaaS multi-tenant data and geospatial applications with PostGIS. Choose YugabyteDB for scaling a Postgres application beyond one primary; multi-region customer and order data with zone/region resilience; and retail and financial OLTP needing horizontal write capacity.

Is PostgreSQL or YugabyteDB more popular?

PostgreSQL ranks #1 on the WhichDB Score (93.2/100) and YugabyteDB ranks #69 (32.7/100). Popularity is not fit: check the requirements that matter for your project.

Are PostgreSQL and YugabyteDB open source?

Yes. PostgreSQL is open source. License: PostgreSQL License. Yes. YugabyteDB is open source. License: Apache License 2.0.