R8G 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.88th Generation8 = 8th GenerationAWS 8th generation hardware platform with updated CPU/system architecture.gAWS Gravitong = AWS GravitonAWS Graviton4 Processor (arm64). Powered by custom 64-bit ARM AWS Graviton processors, delivering industry-leading price-performance and power efficiency.

Alternatives to r8g

OptionPrice vs r8gWhy look at it
c8gCompare →
-32%-$0.0761/hr
xlarge, Linux on-demand, us-east-1		Different instance family, 8 GiB RAM instead of 32, same vCPU
m8gCompare →
-24%-$0.0561/hr
xlarge, Linux on-demand, us-east-1		Different instance family, 16 GiB RAM instead of 32, same vCPU

Common use cases

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

Head-to-Head Architecture Comparisons

View all comparisons →
Silicon Trianglec8g vs m8g vs r8g

AWS Graviton4 Flagship Comparison: C8g vs M8g vs R8g

Next-gen Graviton4 ARM Neoverse V2 architecture across compute, memory, and general tiers

Compare specifications →

Instance types (10)

InstancevCPUMemoryArchitectureFrom (Linux, $/hr)
r8g.medium18 GBarm64$0.0413
r8g.large216 GBarm64$0.0826
r8g.xlarge432 GBarm64$0.1652
r8g.2xlarge864 GBarm64$0.3303
r8g.4xlarge16128 GBarm64$0.6606
r8g.8xlarge32256 GBarm64$1.3213
r8g.12xlarge48384 GBarm64$1.9819
r8g.16xlarge64512 GBarm64$2.6426
r8g.24xlarge96768 GBarm64$3.9638
r8g.48xlarge1921,536 GBarm64$7.9277