Loading...
Updated 2 days ago · Independent Analysis
ClickHouse vs PostgreSQL
Capability Overview
ClickHousevs PostgreSQL
4.5G2+0.1 vs PostgreSQL
Only in ClickHouse
- ✦ Column-oriented storage
- ✦ Vectorized query execution
- ✦ Real-time ingestion
✓ Free planFrom $66.52/moN/A users · est.
PostgreSQLvs ClickHouse
4.4G2-0.1 vs ClickHouse
Only in PostgreSQL
- ✦ ACID Transactions
- ✦ Advanced SQL
- ✦ JSON/JSONB Support
✓ Free planMost popular users · est. 1996
Quick VerdictIndependent Analysis
ClickHouse and PostgreSQL are both Databases tools. Compare features, pricing, and ratings below to find the best fit for your team.
When to Choose ClickHouse vs PostgreSQL
The question that matters: “In what situation will I regret choosing A over B after 3 months?”
Scenario: Time-series Monitoring
ClickHouse
Time-series Monitoring
Replace InfluxDB with ClickHouse for metrics storage, gaining SQL query support and better compression
PostgreSQL
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.
ClickHouse Unique Strength
Real-time Product Analytics
Ingest clickstream events via Kafka, query 100B rows in under 1 second for live dashboards
→ Choose ClickHouse if this scenario applies to you. PostgreSQL doesn't offer a comparable solution.
ClickHouse Unique Strength
Log Analytics Pipeline
Store and query server logs at petabyte scale with 10x better compression than Elasticsearch
→ Choose ClickHouse if this scenario applies to you. PostgreSQL doesn't offer a comparable solution.
ClickHouse Unique Strength
Ad Tech Reporting
Count unique users and calculate click-through rates across billions of ad impressions in milliseconds
→ Choose ClickHouse if this scenario applies to you. PostgreSQL doesn't offer a comparable solution.
PostgreSQL Unique Strength
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.
→ Choose PostgreSQL if this scenario applies to you. ClickHouse 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. ClickHouse doesn't offer a comparable solution.
Pricing Comparison & PlansHigh· Verified Jun 7, 2026
ClickHouse Plans
Free tier available
Open Source
Open SourceBest for: This free plan is ideal for users who prefer self-hosting and managing their own ClickHouse deployments
- ✓Self-hosted deployment
- ✓Open-source columnar database
- ✓Real-time analytics on massive datasets
- ✓No cost for software
View on vendor site
MOST POPULARBasic
$67/moBest for: The Basic plan offers a managed ClickHouse service for smaller projects or initial deployments
- ✓1 replica x 8 GiB RAM, 2 vCPU
- ✓500 GB compressed data
- ✓500 GB backup data
- ✓10 GB public internet egress data transfer
- ✓Expert support with 1 business day response time
View on vendor site
Scale
$499/moBest for: Designed for growing applications, the Scale plan provides enhanced performance and more advanced features
- ✓Unlimited storage
- ✓Configurable memory
- ✓Compute-compute separation
- ✓2+ availability zones
- ✓Expert support with 1 hour response time 24x7 for Severity 1 issues
View on vendor site
Enterprise
Contact SalesBest for: The Enterprise plan is a comprehensive solution for large organizations with demanding workloads and strict requirements
- ✓SAML Single sign-on authentication (SSO)
- ✓Private regions
- ✓Manual vertical scaling for custom profiles
- ✓Enterprise support with 30 min response time for Severity 1 issues
- ✓Named Lead Support Engineer
View on vendor site
PostgreSQL Plans
Free tier available
Capability Breakdown
13 differences found across 18 standardized features
Feature
ClickHouse
PostgreSQL
Self-Hosted
✓
✗
SQL Support
✓
✗
ACID Transactions
✗
✓
Column-oriented
✓
✗
Real-time Ingestion
✓
✗
Horizontal Scaling
✓
✗
Full-Text Search
✗
✓
Replication
✓
✗
Geospatial
✓
✗
Time-series
✓
✗
OLAP Optimized
✓
✗
Vector Search
✗
✓
Serverless
✗
✓
Total (raw)
14
20
ClickHouse Features
- •Column-oriented storage
- •Vectorized query execution
- •Real-time ingestion
- •Kafka integration
- •SQL support
- •Distributed tables
- •Compression (LZ4/ZSTD)
- •Approximate query functions
- •Materialized views
- •Replicated tables
- •JSON support
- •Geospatial functions
- •Time-series optimizations
- •REST and native protocols
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
Strengths & Limitations
Evaluative strengths and weaknesses: not feature lists
Pros
- +Scans billions of rows per second via vectorized query execution
- +Materialized Views for real-time, incremental data aggregation
- +High-ratio data compression (LZ4, ZSTD) drastically cuts storage costs
- +Natively handles semi-structured data (JSON, maps, arrays) at scale
- +Full-featured, production-ready open-source core; no vendor lock-in
Cons
- −No multi-row transactions (ACID); not suitable for OLTP workloads
- −Point updates and deletes are expensive, batch-oriented operations
- −Limited full-text search capabilities compared to dedicated search engines
- −Operational complexity for self-hosted clusters (sharding, replication)
- −Steep learning curve for its non-standard SQL dialect and functions
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
At a Glance
User Rating
4.5/5vs4.4/5
ClickHouse
▲
PostgreSQL
Starting Price
$66.52/movsPay-per-use
ClickHouse
▲
PostgreSQL
Feature Count
14 featuresvs20 features
ClickHouse
PostgreSQL
▲
User Base
0vs0
ClickHouse
PostgreSQL
ClickHouse · Price & Data SyncLast verified: Jun 7, 2026 · CE-DB-2026W23-A00E90 · ✓ Pricing updated Jun 7, 2026
PostgreSQL · Price & Data SyncLast verified: May 21, 2026 · CE-DB-2026W22-D9B048 · No changes detected
Recent Price History
ClickHouse
ClickHouse updated "Scale" from Custom to $499.38/mo
Price change · Jun 7, 2026
ClickHouse
ClickHouse updated "Basic" from Custom to $66.52/mo
Price change · Jun 7, 2026
ClickHouse
ClickHouse removed the "Cloud Dedicated" plan
Plan removed · May 30, 2026
ClickHouse
ClickHouse removed the "Cloud Production" plan
Plan removed · May 30, 2026
ClickHouse
ClickHouse removed the "Cloud Development" plan
Plan removed · May 30, 2026
Frequently Asked Questions
Related Comparisons
ClickHouseFree · from $66.52/mo
PostgreSQLFree planSources & Data Trail · ClickHouse
- 1.Official Pricing Page·Source of verified tiers(Checked: 2026-06-07)
- 2.Official Website·Official vendor website
- 3.G2·G2 verified reviews · 4.5/5 · 23 reviews
- 4.TrustRadius·TrustRadius verified reviews
- 5.PeerSpot·PeerSpot enterprise peer reviews
Sources & Data Trail · PostgreSQL
- 1.Official Website·Official vendor website
- 2.G2·G2 verified reviews · 4.4/5 · 678 reviews
- 3.Capterra·Capterra verified reviews · 4.7/5
- 4.TrustRadius·TrustRadius verified reviews
- 5.PeerSpot·PeerSpot enterprise peer reviews