Skip to content
NEW: Martech Stack Builder on your phone →
Azure Event Hubs Azure Event Hubs
vs
Apache Kafka Apache Kafka

Azure Event Hubs vs Apache Kafka

A side-by-side Event Streaming comparison of Azure Event Hubs and Apache Kafka — capability coverage, pricing, and stack fit, with every recorded cell citing the vendors' own documentation. No referral fees; the data is ours.

Reviewed verdict

Direct substitute — Most teams run one of these, not both.

Both act as the primary event-streaming backbone for producing, retaining, and consuming streams, so teams usually standardize on one platform.

Drafted by an AI model and checked by hand.

Switching is a project, not a swap. A judgement, not computed from the capability data.

Capability comparison

1on one record only
6on both
Capability Azure Event Hubs Apache Kafka
On one record only 1
Change Data Capture Not offered Change Data CaptureNot offered Event Hubs documentation has no native database change-data-capture source or connector. learn.microsoft.com/en-us/azure/event-hubs ↗ Checked · 3 of 3 passes Supported Change Data CaptureSupported Kafka Connect SourceConnectors import database data into Kafka, including JDBC source connector examples. kafka.apache.org/43/kafka-connect/connector-devel… ↗ 15 Sept 2026 · Verified by hand
On both records 6
Data collection 1 · core on all
Event Stream Ingestion Core Event Stream IngestionCore Event Hubs ingests millions of events per second from connected devices and applications. learn.microsoft.com/en-us/azure/event-hubs ↗ 15 Sept 2026 · Verified by hand Core Event Stream IngestionCore Apache Kafka is an event streaming platform for capturing and ingesting event streams. kafka.apache.org/documentation ↗ 15 Sept 2026 · AI-evaluated
Data integration 2 · graded apart
Event Routing Supported Event RoutingSupported Event Hubs documentation describes splitting and routing event streams to other locations and targets. learn.microsoft.com/en-us/azure/event-hubs/event-hub… ↗ 15 Sept 2026 · Verified by hand Core Event RoutingCore Event streaming is documented as routing event streams to different destination technologies. kafka.apache.org/documentation ↗ 15 Sept 2026 · Verified by hand
Data Replication Supported Data ReplicationSupported Event Hubs geo-replication continuously replicates namespace metadata and event data across regions. learn.microsoft.com/en-us/azure/event-hubs/geo-repli… ↗ 15 Sept 2026 · AI-evaluated Supported Data ReplicationSupported Kafka Connect provides source and sink connectors for streaming data between Kafka and other systems. kafka.apache.org/43/kafka-connect/overview ↗ 15 Sept 2026 · AI-evaluated
Data storage 1 · core on all
Event Streaming Infrastructure Core Event Streaming InfrastructureCore Event Hubs is documented as a real-time data streaming platform and event ingestion service. learn.microsoft.com/en-us/azure/event-hubs ↗ 15 Sept 2026 · Verified by hand Core Event Streaming InfrastructureCore Apache Kafka is documented as a distributed event streaming platform with brokers, topics, producers, and consumers. kafka.apache.org/documentation ↗ 15 Sept 2026 · Verified by hand
Governance 2 · supported on all
Data Access Control Supported Data Access ControlSupported Microsoft Entra ID and Azure RBAC provide scoped Event Hubs data access roles. learn.microsoft.com/en-us/azure/event-hubs/authorize… ↗ 15 Sept 2026 · Verified by hand Supported Data Access ControlSupported Kafka supports authorization of client read and write operations. kafka.apache.org/43/security/security-overview ↗ 15 Sept 2026 · Verified by hand
Data Retention / Deletion Supported Data Retention / DeletionSupported Event Hubs supports configurable retention time and delete or compact cleanup policies. learn.microsoft.com/en-us/azure/event-hubs/configure… ↗ 15 Sept 2026 · Verified by hand Supported Data Retention / DeletionSupported Kafka supports log retention, cleanup policies, compaction, and deletion through broker and topic configuration. kafka.apache.org/43/configuration/broker-configs ↗ 15 Sept 2026 · Verified by hand

Not offered means the evidence sweep read the vendor's documentation and did not find it — hover to see the page it checked. — means no verdict either way. Hover a recorded cell to read its evidence and source; a cell with no source says so, and each cell says whether an AI pass or a person set the grade.

Sources · 13 pages on the vendors' own sites

Choose Azure Event Hubs if you need

On Azure Event Hubs's record, not on Apache Kafka's

Same jobs on record. Decide on price, and on how each connects to what you already run — drop both onto a canvas to see it.

Pricing
Free tier available

Choose Apache Kafka if you need

On Apache Kafka's record, not on Azure Event Hubs's

Same jobs on record. Decide on price, and on how each connects to what you already run — drop both onto a canvas to see it.

Pricing
Free tier available

Azure Event Hubs vs Apache Kafka — FAQ

What is the difference between Azure Event Hubs and Apache Kafka?

Both are Event Streaming tools. Azure Event Hubs covers the Event Streaming core; the two records cover the same jobs. The matrix above shows every recorded cell citing the vendors' own documentation.

Is Azure Event Hubs or Apache Kafka better?

Neither is universally better — it depends on your stack. On record the two cover the same jobs, so decide on price and on how each connects to what you already run. Map both against your actual requirements rather than a generic feature count.

How do Azure Event Hubs and Apache Kafka compare on price?

Azure Event Hubs: Free tier available. Apache Kafka: Free tier available. Check each vendor's page for current rates.

Free stack audit

Before you choose Azure Event Hubs or Apache Kafka, check what your stack already covers

Teams usually find the overlap is not where they expected. Name the tools you run and the Instant Stack Audit maps which ones duplicate capability — inside Event Streaming and across the rest of the stack.

Takes about two minutes. Your overlaps and a savings estimate are free — no sign-up. An email address unlocks the costed roadmap.

Azure Event Hubs or Apache Kafka? Decide in your stack's context.

Drop both onto a canvas, see how each integrates with what you already run, and score them against your real requirements — not a generic feature list.

No credit card required. Free plan available.