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ClickHouse vs DuckDB

Side-by-side comparison of ClickHouse and DuckDB. Data-driven analysis for CTOs and engineering leaders.

Technical Profile

ClickHouse

Scalability
very high
Performance
very high
Learning Curve
moderate
Maturity
mature
Languages: C++

DuckDB

Scalability
medium
Performance
very high
Learning Curve
easy
Maturity
stable
Languages: C++

When to Use

ClickHouse

  • +Analytics workloads
  • +Real-time dashboards
  • +Log analytics
  • +Large datasets

Avoid ClickHouse when

  • -Transactional workloads
  • -Frequent updates
  • -Small datasets

DuckDB

  • +Local analytics
  • +Data pipelines
  • +Notebook analysis
  • +Embedded BI

Avoid DuckDB when

  • -Distributed systems
  • -High concurrency
  • -Web applications

Compliance & Security

ClickHouse

SOC 2GDPRHIPAAPCI-DSS

Security Features

EncryptionAudit LogsRBACMFA

DuckDB

SOC 2GDPRHIPAAPCI-DSS

Security Features

EncryptionAudit LogsRBACMFA

Operations

ClickHouse

Maintenance
medium
Monitoring
medium
Backup/Recovery
moderate
Hosting: self-hosted, cloud, managed

DuckDB

Maintenance
low
Monitoring
low
Backup/Recovery
simple
Hosting: self-hosted

Frequently Asked Questions

How does scalability compare between ClickHouse and DuckDB?

ClickHouse offers very-high scalability, while DuckDB offers medium scalability. Consider your expected traffic and data volume when choosing.

Which has the easier learning curve: ClickHouse or DuckDB?

ClickHouse has a moderate learning curve, while DuckDB has a easy learning curve. Factor in your team's existing skills and onboarding timeline.

What are the pricing differences between ClickHouse and DuckDB?

ClickHouse uses a freemium pricing model starting at Cloud: Usage-based with a free tier. DuckDB uses a free pricing model with a free tier. Evaluate total cost of ownership including operational overhead.

Which option is better for compliance: ClickHouse or DuckDB?

ClickHouse supports SOC 2, GDPR, HIPAA, PCI-DSS. DuckDB supports GDPR, HIPAA. Always verify current certifications directly with the vendor.

Need help deciding between ClickHouse vs DuckDB?

Use our interactive decision tool for a personalized recommendation.

ClickHouse vs DuckDB — CTO Technology Comparison | The Art of CTO