TiDB Cloud vs PolarDB-X

TiDB Cloud9.2Visit PolarDB-X8.5Visit

Higher score TiDB Cloud #2 in Distributed SQL Databases 9.2/10 Free plan Free plan✓ 5 of 6 features Visit TiDB Cloud

vs

PolarDB-X #7 in Distributed SQL Databases 8.5/10 Paid ✓ 4 of 6 features Visit PolarDB-X

• TiDB Cloud fits best

  Low-cost cloud HTAP workloads

• PolarDB-X fits best

  MySQL-compatible distributed HTAP

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Side by side

Feature	TiDB Cloud 9.2/10 Visit ↗	PolarDB-X 8.5/10 Visit ↗
At a glance
Editor score	9.2	8.5
Ranking	#2 in Distributed SQL Databases	#7 in Distributed SQL Databases
Best for	Low-cost cloud HTAP workloads	MySQL-compatible distributed HTAP
Pricing model	Free plan + paid	Paid
Starting price	—	—
Free plan	✓ (best)	Not checked yet
Free trial	—	—
Deployment	Cloud, Browser extension	Cloud, Self-hosted
Platforms	Web	Web
Support	Email, Live chat, Tickets, Docs	Docs
Integrations	20 integrations	3 integrations
Built for	Small business, Mid-market, Enterprise	Mid-market, Enterprise
Features TiDB Cloud 5/6 · PolarDB-X 4/6
PostgreSQL compatibility	—	Not checked yet
MySQL compatibility	✓	✓
Horizontal scaling	✓	✓
Multi-region deployment	✓	✓
Geo-partitioning	✓ (best)	Not checked yet
HTAP workloads	✓	✓
Specs
Deployment model	Cloud	Both
Our review
Pros	Free Starter tier with storage, request units, and scale-to-zero MySQL compatibility with horizontal scaling and native HTAP Broad integrations across observability, streaming, BI, and data tools	Transparent distribution with automatic partition rebalancing Strongly consistent transactions with Paxos high availability HTAP support with column-store nodes and global secondary indexes
Cons	No PostgreSQL compatibility Several editions use usage-based pricing Premium is in public preview	Pricing varies by region, instance type, storage, and billing method Advanced distributed architecture may exceed simpler database needs Some ecosystem integrations are centered on Alibaba Cloud services
Our verdict	TiDB Cloud is PingCAP’s fully managed, cloud-native Database-as-a-Service, based on the open-source TiDB distributed SQL database. It is designed for developers, growing teams, and enterprise workloads that need MySQL protocol and syntax… Read the review →	PolarDB-X is Alibaba Cloud’s distributed relational database for applications with high concurrency, large tables, and growing storage requirements. It suits teams that want MySQL-compatible SQL syntax and ecosystem integration while… Read the review →

Strengths and trade-offs

• TiDB Cloud — where it wins

  • Free Starter tier with storage, request units, and scale-to-zero
  • MySQL compatibility with horizontal scaling and native HTAP
  • Broad integrations across observability, streaming, BI, and data tools

  Where it doesn't

  • No PostgreSQL compatibility
  • Several editions use usage-based pricing
  • Premium is in public preview

• PolarDB-X — where it wins

  • Transparent distribution with automatic partition rebalancing
  • Strongly consistent transactions with Paxos high availability
  • HTAP support with column-store nodes and global secondary indexes

  Where it doesn't

  • Pricing varies by region, instance type, storage, and billing method
  • Advanced distributed architecture may exceed simpler database needs
  • Some ecosystem integrations are centered on Alibaba Cloud services

• TiDB Cloud9.2/10 · Free plan

  A MySQL-compatible cloud database with free usage, autoscaling, and native HTAP.

  Visit TiDB CloudFull verdict →
• PolarDB-X8.5/10 · Paid

  A MySQL-compatible distributed database for scalable HTAP and high-concurrency workloads.

  Visit PolarDB-XFull verdict →