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Updated yesterday · Independent Analysis
PostgreSQL vs TiDB
Capability Overview
PostgreSQLvs TiDB
4.4G2-0.2 vs TiDB
Only in PostgreSQL
- ✦ Advanced SQL
- ✦ JSON/JSONB Support
- ✦ Full-Text Search
✓ Free planMost popular users · est. 1996
TiDBvs PostgreSQL
4.6G2+0.2 vs PostgreSQL
Only in TiDB
- ✦ HTAP (Hybrid Transactional/Analytical)
- ✦ MySQL Wire Protocol
- ✦ Horizontal Scaling
✓ Free planFrom $1800/mo3k+ users · est. 2015
Quick VerdictIndependent Analysis
PostgreSQL wins for structured relational data integrity at $0/month. TiDB wins for distributed high-concurrency HTAP workloads starting at $0/month.
When to Choose PostgreSQL vs TiDB
The question that matters: “In what situation will I regret choosing A over B after 3 months?”
Scenario: JSONB Indexing for Flexible Schema
PostgreSQL
JSONB Indexing for Flexible Schema Without NoSQL Migration
PostgreSQL's JSONB with GIN indexes stores semi-structured data in relational tables and queries nested keys at under 5ms, avoiding a full NoSQL migration for use cases that need occasional schema flexibility.
TiDB
Scale OLTP to 1 Billion Rows Without Application Rewrites
TiDB's horizontal scaling adds storage and compute nodes without schema changes or connection string updates, extending a MySQL-compatible application to multi-terabyte scale transparently.
PostgreSQL Unique Strength
Table Partitioning Cuts Time-Series Query Time by 90%
Declarative partitioning splits large time-series tables into monthly partitions, cutting query scan time by 90% for date-range queries that previously scanned billions of rows.
→ Choose PostgreSQL if this scenario applies to you. TiDB doesn't offer a comparable solution.
PostgreSQL Unique Strength
Logical Replication for Zero-Downtime Migration
Logical replication syncs a live production database to a new instance in real time, enabling a migration cutover measured in seconds rather than the hours a pg_dump/restore requires.
→ Choose PostgreSQL if this scenario applies to you. TiDB doesn't offer a comparable solution.
TiDB Unique Strength
Run Analytics on Live Transactional Data via TiFlash
TiDB's TiFlash columnar replica allows analytical SQL queries to run against real-time transactional data without ETL delay, replacing nightly data warehouse loads for operational reporting.
→ Choose TiDB if this scenario applies to you. PostgreSQL doesn't offer a comparable solution.
TiDB Unique Strength
Online DDL on Live Tables Without Locking
TiDB performs column additions, index builds, and table restructuring on live tables without locking, avoiding the scheduled maintenance windows that interrupt MySQL deployments during schema changes.
→ Choose TiDB if this scenario applies to you. PostgreSQL doesn't offer a comparable solution.
Pricing Comparison & PlansHigh· Verified Jun 28, 2026
PostgreSQL Plans
Free tier available
TiDB Plans
Free tier available
TiDB Cloud Starter
FreeBest for: Variable workloads, dev/testing
- ✓25 GiB of row storage
- ✓25 GiB of column storage
- ✓250M Request Units (RUs) for free per month for each organization
- ✓Pay only for the storage and capacity you use (beyond free limits)
- ✓Set spend limits so you don't go over budget
View on vendor site
MOST POPULARTiDB Cloud Dedicated
$0.22/moBest for: Predictable traffic, advanced requirements
- ✓Most advanced, open-source, distributed SQL database
- ✓Core capabilities
- ✓Deploy on infrastructure of choice
- ✓Highly compatible with Kubernetes
- ✓Integrations available with Apache Spark, Apache Kafka, Apache Flink, and others
View on vendor site
TiDB Cloud Premium
$1800/moBest for: Mission-critical, hyper-scale
- ✓Provisioned compute with autoscaling to support unlimited growth
- ✓Enterprise-grade security featuring CMEK, PrivateLink, and VPC Peering
- ✓99.99% availability with multi-zone protection
- ✓Usage-based pricing with predictable costs
- ✓Dedicated isolation with elastic RCU scaling
View on vendor site
TiDB Cloud Essential
Contact SalesBest for: Production, autoscaling compute
- ✓Provisioned compute with autoscaling up to 100K Request Units
- ✓Point-in-time backup and up to 30-day retention
- ✓Encrypted in transit and at rest
- ✓99.99% availability with multi-zone protection
- ✓Usage-based pricing with predictable costs
View on vendor site
Capability Breakdown
3 differences found across 10 standardized features
Feature
PostgreSQL
TiDB
Horizontal Scaling
✗
✓
Full-Text Search
✓
✗
Vector Search
✓
✗
Total (raw)
20
16
PostgreSQL Features
- •ACID Transactions
- •Advanced SQL
- •JSON/JSONB Support
- •Full-Text Search
- •Table Partitioning
- •Foreign Data Wrappers
- •Logical Replication
- •Point-in-Time Recovery
- •Row-Level Security
- •Extensions (pgvector, PostGIS, TimescaleDB)
- •Parallel Queries
- •Window Functions
- •MVCC Architecture
- •Stored Procedures (PL/pgSQL)
- •Streaming Replication
- •Materialized Views
- •REST API
- •SDK
- •CLI
- •Connection Pooling
TiDB Features
- •HTAP (Hybrid Transactional/Analytical)
- •MySQL Wire Protocol
- •Horizontal Scaling
- •TiFlash (Columnar Engine)
- •ACID Transactions
- •Geo-Distributed Deployments
- •Online DDL
- •Change Data Capture (TiCDC)
- •Auto-Sharding
- •Real-Time Analytics
- •Partition Pruning
- •Hot Spot Detection
- •Kubernetes Native (TiDB Operator)
- •TiUP Deployment
- •Monitoring (Grafana)
- •Backup/Restore
Strengths & Limitations
Evaluative strengths and weaknesses: not feature lists
Pros
- +Extensible architecture supports GIS, time-series, and vector data
- +ACID compliance and MVCC ensure high data integrity and concurrency
- +Advanced indexing (GIN, GiST, BRIN) accelerates complex queries
- +Rich data types including native JSONB, arrays, and range types
- +Mature, battle-tested reliability for mission-critical applications
Cons
- −Requires manual tuning for high-throughput, write-heavy workloads
- −Connection management can be resource-intensive at massive scale
- −No built-in horizontal scaling; requires third-party solutions
- −Vacuuming process can cause performance overhead on busy tables
- −Replication setup is more complex than some modern distributed DBs
Pros
- +HTAP eliminates separate analytics warehouse for many use cases
- +MySQL compatibility reduces migration complexity
- +Strong horizontal scaling for high-write workloads
- +Free serverless tier for development
Cons
- −It is very unusual and jarring that the IDs in different tables jump and do not start from zero.
- −TiDB Cloud can be improved, particularly because the interface is very old.
At a Glance
User Rating
4.4/5vs4.6/5
PostgreSQL
TiDB
▲
Starting Price
Pay-per-usevs$1800/mo
PostgreSQL
TiDB
▲
Feature Count
20 featuresvs16 features
PostgreSQL
▲
TiDB
User Base
0vs3
PostgreSQL
TiDB
▲
PostgreSQL · Price & Data SyncLast verified: June 28, 2026 · CE-DB-2026W22-D9B048 · No changes detected
TiDB · Price & Data SyncLast verified: June 28, 2026 · CE-DB-2026W26-D6FFFA · ✓ Pricing updated Jun 28, 2026
Recent Price History
TiDB
TiDB renamed the "TiDB Community" plan to "TiDB Cloud Dedicated"
Update · Jun 28, 2026
TiDB
TiDB removed the "TiDB Dedicated" plan
Plan removed · Jun 28, 2026
TiDB
TiDB removed the "TiDB Self-Managed" plan
Plan removed · Jun 28, 2026
TiDB
TiDB removed the "TiDB Serverless" plan
Plan removed · May 30, 2026
TiDB
TiDB added a new "TiDB Cloud Starter" plan at $0/mo (Free)
Plan added · May 30, 2026
Frequently Asked Questions
Related Comparisons
PostgreSQLFree plan
TiDBFree · from $1800/moSources & Data Trail · PostgreSQL
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Sources & Data Trail · TiDB
- 1.Official Pricing Page·Source of verified tiers(Checked: 2026-06-28)
- 2.Official Website·Official vendor website
- 3.G2·G2 verified reviews · 4.6/5 · 67 reviews
- 4.PeerSpot·PeerSpot enterprise peer reviews