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Amazon ElastiCache vs Google Cloud Memorystore

Amazon ElastiCache: AWS's managed Valkey, Redis OSS and Memcached service, provisioned or serverless. Google Cloud Memorystore: Google Cloud's managed in-memory family: Valkey, Redis, Redis Cluster and Memcached.

key differences

  • Amazon ElastiCache is built for larger datasets (≤ 1 PB) than Google Cloud Memorystore (≤ 10 TB).
  • Only Amazon ElastiCache has secondary indexes, full-text search, json.
  • Amazon ElastiCache has a serverless option; Google Cloud Memorystore 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 google-memorystore for

  • +Caching for GKE, Cloud Run and App Engine apps
  • +Session storage and rate limiting on Google Cloud
  • +Vector similarity lookups close to app data

best at · Cache, Sessions, Pub/Sub

Amazon ElastiCacheAWS's managed Valkey, Redis OSS and Memcached service, provisioned or serverless.
Google Cloud MemorystoreGoogle Cloud's managed in-memory family: Valkey, Redis, Redis Cluster and Memcached.
overview
Primary model
Key-Value
Key-Value
Also supports
Vector, Search Engine
Vector
Type
Managed service
Managed service
Status
Active
Active
Developer
Amazon Web Services
Google Cloud
First release
2011
2018
Latest version
Valkey 9.1 engine (Jun 23, 2026)
Valkey 9.1 (preview) (Jul 27, 2026)
License
ProprietaryAWS service terms
ProprietaryGoogle Cloud service terms
Free tier
✓
—
popularity
WhichDB Score
29.1
5.6
Rank
#89
#377
GitHub stars
–
–
Stack Overflow questions
916
143
scale & guarantees
Comfortable data size
Large (≤ 1 PB)
Medium (≤ 10 TB)
Horizontal scaling
Native
Native
Multi-region
Read replicas
Read replicas
ACID
Limited
Limited
Consistency
Eventual
Eventual
Schema
Schemaless
Schemaless
Architecture
In memory, Primary replica, Distributed, Serverless
In memory, Primary replica, Distributed
deployment
Self-hosted
—
—
Vendor-managed cloud
✓
✓
Serverless
✓
—
Embedded
—
—
Edge
—
—
Clouds
AWS
Google Cloud
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), Memcached protocol, Lua
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, Pub/Sub, Vector search
Add more to this comparisonNot sure either fits? Try smart match

Amazon ElastiCache vs Google Cloud Memorystore: FAQ

What is the difference between Amazon ElastiCache and Google Cloud Memorystore?

Amazon ElastiCache: AWS's managed Valkey, Redis OSS and Memcached service, provisioned or serverless. Google Cloud Memorystore: Google Cloud's managed in-memory family: Valkey, Redis, Redis Cluster and Memcached. Amazon ElastiCache is built for larger datasets (≤ 1 PB) than Google Cloud Memorystore (≤ 10 TB). Only Amazon ElastiCache has secondary indexes, full-text search, json. Amazon ElastiCache has a serverless option; Google Cloud Memorystore does not.

When should I choose Amazon ElastiCache over Google Cloud Memorystore?

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 Google Cloud Memorystore for caching for GKE, Cloud Run and App Engine apps; session storage and rate limiting on Google Cloud; and vector similarity lookups close to app data.

Is Amazon ElastiCache or Google Cloud Memorystore more popular?

Amazon ElastiCache ranks #89 on the WhichDB Score (29.1/100) and Google Cloud Memorystore ranks #377 (5.6/100). Popularity is not fit: check the requirements that matter for your project.

Are Amazon ElastiCache and Google Cloud Memorystore open source?

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