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Amazon ElastiCache vs Redis Cloud

Amazon ElastiCache: AWS's managed Valkey, Redis OSS and Memcached service, provisioned or serverless. Redis Cloud: Redis Ltd.'s own managed Redis on AWS, Azure and GCP, with Active-Active geo-replication and tiering.

key differences

  • Amazon ElastiCache has a serverless option; Redis Cloud does not.

choose amazon-elasticache for

  • +Database query caching for RDS and DynamoDB
  • +Session storage for web apps on AWS
  • +Leaderboards and real-time counters
  • +Semantic caching for generative AI apps

best at · Cache, Sessions, Pub/Sub

choose redis-cloud for

  • +Global session stores and leaderboards with multi-region writes
  • +Vector search and semantic caching for AI apps
  • +Managed caching across multiple clouds

best at · Cache, Sessions, Vector search

Amazon ElastiCacheAWS's managed Valkey, Redis OSS and Memcached service, provisioned or serverless.
Redis CloudRedis Ltd.'s own managed Redis on AWS, Azure and GCP, with Active-Active geo-replication and tiering.
overview
Primary model
Key-Value
Key-Value
Also supports
Vector, Search Engine
Document, Vector, Time-Series, Search Engine
Type
Managed service
Managed service
Status
Active
Active
Developer
Amazon Web Services
Redis Ltd.
First release
2011
2013
Latest version
Valkey 9.1 engine (Jun 23, 2026)
–
License
ProprietaryAWS service terms
ProprietaryRedis Cloud service terms
Free tier
✓
✓
popularity
WhichDB Score
29.1
1.6
Rank
#89
#529
GitHub stars
–
–
Stack Overflow questions
916
–
scale & guarantees
Comfortable data size
Large (≤ 1 PB)
Large (≤ 1 PB)
Horizontal scaling
Native
Native
Multi-region
Read replicas
Active active
ACID
Limited
Limited
Consistency
Eventual
Eventual, Causal
Schema
Schemaless
Schemaless
Architecture
In memory, Primary replica, Distributed, Serverless
In memory, Distributed
deployment
Self-hosted
—
—
Vendor-managed cloud
✓
✓
Serverless
✓
—
Embedded
—
—
Edge
—
—
Clouds
AWS
AWS, Google Cloud, Azure
capabilities
Transactions
✓
✓
Joins
—
—
Secondary indexes
✓
✓
Full-text search
✓
✓
Vector search
✓
✓
Geospatial
✓
✓
JSON
✓
✓
Change data capture
—
—
Triggers
—
—
Stored procedures
✓
✓
Materialized views
—
—
TTL / expiry
✓
✓
Pub/Sub
✓
✓
Columnar storage
—
—
In-memory
✓
✓
Durable persistence
✓
✓
Compression
—
—
Encryption at rest
✓
✓
Role-based access
✓
✓
Time travel
—
—
Branching
—
—
Online schema changes
—
—
Streaming ingest
✓
✓
Offline sync
—
—
Runs in WebAssembly
—
—
interfaces
Query languages
Redis commands (RESP), Memcached protocol, Lua
Redis commands (RESP), Lua, Redis Query Engine (FT.*)
Client languages
Python, Java, JavaScript, Go, C#, Rust, Ruby, PHP
Python, Java, JavaScript, Go, C#, Rust, Ruby, PHP
Best for
Cache, Sessions, Pub/Sub, Queue
Cache, Sessions, Vector search, RAG
Add more to this comparisonNot sure either fits? Try smart match

Amazon ElastiCache vs Redis Cloud: FAQ

What is the difference between Amazon ElastiCache and Redis Cloud?

Amazon ElastiCache: AWS's managed Valkey, Redis OSS and Memcached service, provisioned or serverless. Redis Cloud: Redis Ltd.'s own managed Redis on AWS, Azure and GCP, with Active-Active geo-replication and tiering. Amazon ElastiCache has a serverless option; Redis Cloud does not.

When should I choose Amazon ElastiCache over Redis Cloud?

Choose Amazon ElastiCache for database query caching for RDS and DynamoDB; session storage for web apps on AWS; and leaderboards and real-time counters. Choose Redis Cloud for global session stores and leaderboards with multi-region writes; vector search and semantic caching for AI apps; and managed caching across multiple clouds.

Is Amazon ElastiCache or Redis Cloud more popular?

Amazon ElastiCache ranks #89 on the WhichDB Score (29.1/100) and Redis Cloud ranks #529 (1.6/100). Popularity is not fit: check the requirements that matter for your project.

Are Amazon ElastiCache and Redis Cloud open source?

No. Amazon ElastiCache is proprietary, closed-source software. License: AWS service terms. No. Redis Cloud is proprietary, closed-source software. License: Redis Cloud service terms.