Comparison

Amazon ElastiCache vs KeyDB

On the evidence we track, Amazon ElastiCache leads this comparison with a composite score of 63/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Amazon ElastiCache63
KeyDB35
Score
Vioscale score
Amazon ElastiCache63 / 100medium · 61%
KeyDB35 / 100low · 46%
Pricing
Free tier
Amazon ElastiCache
KeyDB
Model
Amazon ElastiCachefreemium
Price level
Amazon ElastiCachelow
KeyDBfree
Transparent
Amazon ElastiCache
KeyDB
Security
Disclosure policy
Amazon ElastiCache
KeyDB
Fedramp
Amazon ElastiCache
KeyDB
Gdpr
Amazon ElastiCache
KeyDB
Hipaa
Amazon ElastiCache
KeyDB
Pci
Amazon ElastiCache
KeyDB
Reliability
Sla pct
Amazon ElastiCache99.99
KeyDB
Status page
Amazon ElastiCache
KeyDB
Adoption
Dependent repos
Amazon ElastiCache
KeyDB0
Github stars
Amazon ElastiCache
KeyDB12,509
Activity
Commits last 30d
Amazon ElastiCache
KeyDB0
Release
Cadence days
Amazon ElastiCache
KeyDB53
History
Amazon ElastiCache
License
Spdx
Amazon ElastiCache
Language
Primary
Amazon ElastiCache
KeyDBC++
Market

Capabilities

Feature-by-feature on the axes that matter for key-value stores. “-” means undocumented, not absent.

Storage
Storage tier
Amazon ElastiCacheIn-memory
KeyDBIn-memory
Persistence
Amazon ElastiCacheSnapshot (RDB)
KeyDBFully durable
Data structures
Amazon ElastiCacheRich types
KeyDBRich types
Protocol
Wire protocol
Amazon ElastiCacheRESP (Redis)
KeyDBRESP (Redis)
Distribution
Clustering
Amazon ElastiCacheReplicated
KeyDBSharded
Consistency
Amazon ElastiCacheEventual
KeyDBStrong
Ops
Eviction / TTL policies
Amazon ElastiCache
KeyDB
Multi-threaded
Amazon ElastiCache-
KeyDB
Pub/Sub / streams
Amazon ElastiCache
KeyDB
Transactions / atomic ops
Amazon ElastiCache-
KeyDBMULTI-EXEC
Deployment
Deployment
Amazon ElastiCacheManaged
KeyDBSelf-hosted
Licensing
Licence class
Amazon ElastiCacheSource-available
KeyDBPermissive OSS
Compatibility
Redis API compatibility
Amazon ElastiCacheFull
KeyDBFull

What each one is

The product in its own terms, so the numbers below have context.

Amazon ElastiCache

Leader

An AWS-hosted caching platform that provides ultra-low latency access to frequently used data with support for Valkey, Memcached, and Redis-compatible APIs. It automatically manages infrastructure, scales elastically to handle billions of requests per second, and eliminates downtime during maintenance.

Independently observed

KeyDB

KeyDB is an open-source database that offers significantly higher performance than Redis through multithreading while maintaining full Redis protocol compatibility. It includes advanced features like active replication, FLASH storage, and MVCC architecture for non-blocking queries.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Amazon ElastiCache

Leader
Usage-basedFree tier

From $6/month (Valkey). Usage-based pricing; free tier available.

  • ServerlessFree
    • Zero infrastructure management
    • Zero downtime maintenance
    • Automatic scaling
    • Multiple service tiers (Standard, Flex, Priority, Reserved)
as of verify ↗

KeyDB

Open sourceFree tier
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Amazon ElastiCache
KeyDB
Linux
Amazon ElastiCache
KeyDB
CLI
Amazon ElastiCache
KeyDB
Deployment
Cloud / SaaS
Amazon ElastiCache
KeyDB
Self-hosted
Amazon ElastiCache
KeyDB

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.