R6A 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.66th Generation6 = 6th GenerationAWS 6th generation hardware platform with updated CPU/system architecture.aAMD EPYCa = AMD EPYCAMD EPYC 7R13 Processor (x86_64). Powered by AMD EPYC x86_64 processors, delivering high core counts and cost-effective compute performance.

Common use cases

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

Head-to-Head Architecture Comparisons

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Silicon Triangler6i vs r6a vs r6g

AWS R6 Generation: R6i vs R6a vs R6g

6th Gen Memory-Optimized Battleground (8:1 RAM-to-vCPU ratio)

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Instance types (10)

InstancevCPUMemoryArchitectureFrom (Linux, $/hr)
r6a.large216 GBx86_64$0.0715
r6a.xlarge432 GBx86_64$0.1430
r6a.2xlarge864 GBx86_64$0.2860
r6a.4xlarge16128 GBx86_64$0.5720
r6a.8xlarge32256 GBx86_64$1.1440
r6a.12xlarge48384 GBx86_64$1.7160
r6a.16xlarge64512 GBx86_64$2.2880
r6a.24xlarge96768 GBx86_64$3.4320
r6a.32xlarge1281,024 GBx86_64$4.5760
r6a.48xlarge1921,536 GBx86_64$6.8640