vioscale
Comparison

PostgreSQL vs TiDB

No clear leader: PostgreSQL (59.8) and TiDB (59.5) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

PostgreSQL full profile →TiDB full profile →
Machine formatsJSONMarkdownGraphQLor send Accept: application/json
PostgreSQL60
TiDB60
Score
Vioscale score
PostgreSQL60 / 100medium · 56%updating
TiDB60 / 100medium · 61%updating
Pricing
Free tier
PostgreSQL✓
TiDB✓
Model
PostgreSQLcommercial
TiDBfreemium
Price level
PostgreSQLfree
TiDBlow
Transparent
PostgreSQL–
TiDB✗
Integrations
Count
PostgreSQL10
TiDB4
Security
Disclosure policy
PostgreSQL✓
TiDB–
Gdpr
PostgreSQL–
TiDB✓
Pci
PostgreSQL–
TiDB✓
Scorecard
PostgreSQL6.1
TiDB–
Soc2
PostgreSQL–
TiDB✓
Vulnerabilities
Reliability
Sla pct
PostgreSQL–
TiDB99.99
Status page
PostgreSQL–
TiDB✓
Adoption
Dependent repos
PostgreSQL0
TiDB–
Github stars
PostgreSQL21,899
TiDB–
Stackoverflow questions
PostgreSQL170,000
TiDB–
Activity
Commits last 30d
PostgreSQL100
TiDB–
Release
Cadence days
PostgreSQL90
TiDB–
License
Spdx
PostgreSQLPostgreSQL
TiDB–
Language
Primary
PostgreSQLC
TiDB–
Market
Availability
PostgreSQLAvailable worldwide
TiDB–
Content
Faq
PostgreSQL8 items
TiDB–

Capabilities

Feature-by-feature on the axes that matter for relational databases. “-” means undocumented, not absent.

Core
SQL model
PostgreSQLFull SQL
TiDBFull SQL
Transactions
ACID transactions
PostgreSQL-
TiDBFull
Highest isolation level
PostgreSQL-
TiDB-
Consistency
Consistency
PostgreSQL-
TiDB-
Scale
Horizontal scale
PostgreSQLRead replicas
TiDBNatively distributed
Replication
Replication
PostgreSQL-
TiDB-
Availability
Automatic failover / HA
PostgreSQL✓
TiDB-
Deployment
Deployment
PostgreSQLSelf-hosted
TiDB-
Serverless / scale-to-zero
PostgreSQL✗
TiDB-
Compatibility
Wire compatibility
PostgreSQL-
TiDBMySQL protocol
Extensibility
Extensions / plugins / UDFs
PostgreSQL✓
TiDB-
Licensing
Licence class
PostgreSQLPermissive OSS
TiDBPermissive OSS
Data types
JSON / document support
PostgreSQL✓
TiDB-
Geo / spatial
PostgreSQLExtension
TiDB-

What each one is

The product in its own terms, so the numbers below have context.

PostgreSQL

PostgreSQL is a mature open-source relational database system combining strong data integrity with comprehensive features and active community maintenance.

Independently observed

TiDB

An open-source distributed SQL database trusted by innovators to power transactional, AI, and other modern applications.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

PostgreSQL

Open sourceFree tier
as of verify ↗

TiDB

HybridFree tier
  • TiDB Cloud StarterFree
  • TiDB Cloud DedicatedContact sales
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
PostgreSQL✗
TiDB✓
Windows
PostgreSQL✓
TiDB✗
Linux
PostgreSQL✓
TiDB✗
CLI
PostgreSQL✓
TiDB✗
Deployment
Cloud / SaaS
PostgreSQL✓
TiDB✓
Self-hosted
PostgreSQL✓
TiDB✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

PostgreSQL

10 total
  • CloudNativePG
  • Kubernetes
  • Patroni
  • pgAdmin
  • pgVector
  • PostGIS
  • pgAudit
  • Spock
  • Cilium
  • Submariner
Independently observed

TiDB

4 total
  • Cursor
  • JDBC
  • mysql-connector-python
  • MySQL
Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.