Amazon ElastiCache Pricing
Amazon ElastiCache provides sub-millisecond in-memory caching and key-value storage across Valkey, Redis, and Memcached. Compare hourly node rates, monthly operating costs, and RAM density across 37 global regions.
Caching Engines
Amazon ElastiCache for Valkey
Open-source, high-performance in-memory data store. Drop-in replacement for Redis OSS with multi-threaded I/O and a permanent 20% AWS price discount.
- Node types: 94
- Regions: 37
- Starting from: $0.013/hr (us-east-1)
Amazon ElastiCache for Redis
Fully managed Redis OSS in-memory caching and data structure store with sub-millisecond latency, replication, auto-failover, and backup/restore.
- Node types: 73
- Regions: 37
- Starting from: $0.016/hr (us-east-1)
Amazon ElastiCache for Memcached
Simple, multi-threaded in-memory key-value cache designed for standard object caching to accelerate database and web application performance.
- Node types: 88
- Regions: 37
- Starting from: $0.016/hr (us-east-1)
The Valkey Advantage: 20% Cost Reduction
AWS offers Amazon ElastiCache for Valkey at a flat 20% discount compared to Redis OSS and Memcached on identical node hardware.
| Node Type | Family | vCPU | Memory | Valkey / hr | Redis / hr | Monthly Savings (1 node) |
|---|---|---|---|---|---|---|
| cache.t4g.micro | Burstable | 2 | 0.5 GiB | $0.0128 | $0.0160 | -$2.34 (-20%) |
| cache.m7g.large | General Purpose | 2 | 6.38 GiB | $0.1264 | $0.1580 | -$23.07 (-20%) |
| cache.r7g.large | Memory Optimized | 2 | 13.07 GiB | $0.1752 | $0.2190 | -$31.97 (-20%) |
| cache.r7g.xlarge | Memory Optimized | 4 | 26.32 GiB | $0.3496 | $0.4370 | -$63.80 (-20%) |
| cache.r8g.2xlarge | Memory Optimized (Graviton4) | 8 | 53.64 GiB | $0.7022 | $0.0000 | -$-512.61 (-20%) |
Engine Comparison Guide
| Feature | Valkey | Redis OSS | Memcached |
|---|---|---|---|
| Pricing Level | 20% lower cost | Standard | Standard |
| Primary Use Case | High-performance cache & data store | Rich data structures & caching | Pure object caching |
| Engine Architecture | Multi-threaded I/O + single-threaded execution | Single-threaded (I/O threads on modern v7+) | Fully multi-threaded |
| Data Structures | Strings, Hashes, Lists, Sets, Sorted Sets, Streams, Bitmaps, HyperLogLogs, Geospatial | Strings, Hashes, Lists, Sets, Sorted Sets, Streams, Bitmaps, HyperLogLogs, Geospatial | Key-value string objects |
| High Availability & Failover | Multi-AZ with automatic failover | Multi-AZ with automatic failover | Not supported (nodes operate independently) |
| Snapshots & Persistence | Automated backups & manual snapshots | Automated backups & manual snapshots | No (ephemeral memory) |
| Cluster Sharding | Yes (up to 500 nodes / 250 shards) | Yes (up to 500 nodes / 250 shards) | Client-side partitioning (up to 300 nodes) |