R4 Memory Optimized

High memory-to-vCPU ratio for memory-intensive applications.

Name:rMemory Optimizedr = Memory OptimizedHigh memory-to-vCPU ratio designed for memory-intensive applications such as databases, distributed caches, and in-memory analytics.44th Generation4 = 4th GenerationAWS 4th generation hardware platform with updated CPU/system architecture.

Common use cases

  • In-memory databases
  • Real-time big data analytics
  • High-performance caching

Head-to-Head Architecture Comparisons

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Generational Evolutionr4 vs r5 vs r6i vs r7i vs r7g

AWS Memory Optimized Evolution: R4 vs R5 vs R6i vs R7i vs R7g

Memory tier advancement: DDR3 to DDR5, EBS throughput, and per-GB pricing

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Instance types (6)

InstancevCPUMemoryArchitectureFrom (Linux, $/hr)
r4.large215 GBx86_64$0.1330
r4.xlarge431 GBx86_64$0.2660
r4.2xlarge861 GBx86_64$0.5320
r4.4xlarge16122 GBx86_64$1.0640
r4.8xlarge32244 GBx86_64$2.1280
r4.16xlarge64488 GBx86_64$4.2560