vioscaleAI
Comparison

PostgreSQL vs TiDB

On the evidence we track, PostgreSQL leads this comparison with a composite score of 61/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

PostgreSQL full profile →TiDB full profile →
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★PostgreSQL61
TiDB49
Score
vioscaleAI score
PostgreSQL61 / 100medium · 60%
TiDB49 / 100low · 19%
Pricing
Free tier
PostgreSQL✓
TiDB✓
Model
Price level
PostgreSQLfree
TiDBfree
Transparent
PostgreSQL–
TiDB✗
Integrations
Count
PostgreSQL6
TiDB26
Security
Disclosure policy
PostgreSQL✓
TiDB–
Gdpr
PostgreSQL–
TiDB✓
Pci
PostgreSQL–
TiDB✓
Scorecard
PostgreSQL6.1
TiDB–
Soc2
PostgreSQL–
TiDB✓
Trust center
Vulnerabilities
Reliability
Sla pct
PostgreSQL–
TiDB99.99
Status page
PostgreSQL–
TiDB✓
Adoption
Dependent repos
PostgreSQL0
TiDB–
Github stars
PostgreSQL22,285
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
Content
Faq
PostgreSQL8 items
TiDB6 items

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
PostgreSQLFull
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

Leader

PostgreSQL is an open source relational database with over 35 years of active development. It supports transactions, user-defined functions, and a broad subset of SQL, widely used for data storage and retrieval in applications ranging from small projects to enterprise deployments.

Independently observed

TiDB

An open-source, distributed SQL database that provides ACID transactions with automatic scaling from zero to peak load. It maintains MySQL protocol compatibility and supports both analytical and transactional workloads on unified data.

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

Leader
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✓
macOS
PostgreSQL✓
TiDB✗
Windows
PostgreSQL✓
TiDB✗
Linux
PostgreSQL✓
TiDB✗
Deployment
Cloud / SaaS
PostgreSQL✓
TiDB✓
Self-hosted
PostgreSQL✓
TiDB✓
On-premise
PostgreSQL✗
TiDB✓

Integrations

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

In common (1)
  • Kubernetes

PostgreSQL

Leader
10 total - 9 not shared
  • CloudNativePG
  • Patroni
  • pgAdmin
  • pgVector
  • PostGIS
  • pgAudit
  • Spock
  • Cilium
  • Submariner
Independently observed

TiDB

30 total - 29 not shared
  • Cursor
  • JDBC
  • mysql-connector-python
  • MySQL
  • Apache Spark
  • Kafka
  • Confluent
  • Datadog
  • New Relic
  • Airbyte
  • AWS AppFlow
  • dbt
  • Superset
  • Terraform
  • CloudFormation
  • AWS
  • Google Cloud
  • Azure
  • Alibaba Cloud
  • AWS Lambda
  • Vercel
  • Netlify
  • Hibernate
  • Prisma
  • +5 more
Independently observed
Still deciding?

PostgreSQL or TiDB: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

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