Amazon Redshift vs ClickHouse: Head-to-Head Comparison

Quick Verdict

Amazon Redshift is the better pick for AWS-centric analytics. ClickHouse is the better pick for real-time analytics on large event datasets.

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At a Glance

Feature	Amazon Redshift	ClickHouse
Best For	AWS-centric analytics	Real-time analytics on large event datasets
Pricing	Pay-as-you-go usage pricing	Free open source; paid managed cloud
Free to Start	No	Yes
License	Proprietary	Open source
Deployment	Managed cloud	Self-hosted or managed cloud
Link	Visit Amazon Redshift	Visit ClickHouse

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Detailed Breakdown

Amazon Redshift

AWS cloud data warehouse

Pros:

• Deep AWS integration
• Serverless option
• Mature SQL warehouse

Cons:

• Provisioned clusters need tuning
• AWS only

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ClickHouse

Open-source column-oriented OLAP database

Pros:

• Extremely fast aggregations
• Open source
• Managed ClickHouse Cloud option

Cons:

• Joins and updates are less ergonomic
• Requires operational tuning

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Key Differences

• Positioning: Amazon Redshift — AWS cloud data warehouse. ClickHouse — open-source column-oriented OLAP database.
• Licensing differs: Amazon Redshift is proprietary while ClickHouse is open source.
• Deployment: Amazon Redshift — managed cloud. ClickHouse — self-hosted or managed cloud.
• ClickHouse can be started for free, while Amazon Redshift requires a paid plan. Amazon Redshift pricing: pay-as-you-go usage pricing.
• Signature strength: Amazon Redshift — deep AWS integration. ClickHouse — extremely fast aggregations.

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Frequently Asked Questions

Is Amazon Redshift better than ClickHouse?

It depends on your requirements. Amazon Redshift is a strong fit for AWS-centric analytics, while ClickHouse suits real-time analytics on large event datasets.

Is Amazon Redshift free to use?

Amazon Redshift does not have a permanent free plan. Pricing model: Pay-as-you-go usage pricing.

Is ClickHouse free to use?

Yes, you can start with ClickHouse for free. Pricing model: Free open source; paid managed cloud.

Can I self-host Amazon Redshift or ClickHouse?

Amazon Redshift is offered as a managed service: managed cloud. ClickHouse can be self-hosted. Deployment options: self-hosted or managed cloud.

What are the main drawbacks of Amazon Redshift and ClickHouse?

Amazon Redshift: provisioned clusters need tuning; AWS only. ClickHouse: joins and updates are less ergonomic; requires operational tuning.