R7IZ 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.77th Generation7 = 7th GenerationAWS 7th generation hardware platform with updated CPU/system architecture.iIntel Xeon Scalablei = Intel Xeon ScalableIntel Xeon Scalable (Sapphire Rapids) (x86_64). Powered by Intel Xeon Scalable x86_64 processors with Intel Advanced Vector Extensions (AVX-512 / AMX) acceleration.zHigh Frequency Turbo CPUz = High Frequency Turbo CPUHigh sustained all-core turbo frequency (up to 4.5 GHz) for single-threaded performance and latency-sensitive workloads.

Alternatives to r7iz

OptionPrice vs r7izWhy look at it
m5znCompare →
-11%-$0.0417/hr
xlarge, Linux on-demand, us-east-1		Older generation, 16 GiB RAM instead of 32, same vCPU
z1dCompare →
same price
xlarge, Linux on-demand, us-east-1		Older generation, same vCPU and RAM

Common use cases

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

Head-to-Head Architecture Comparisons

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Architecture & Sizingr7iz vs z1d vs m5zn

AWS High-Frequency Compute: R7iz vs Z1d vs M5zn

Ultra-high single-core clock speeds up to 4.5 GHz for EDA, financial modeling, and per-core licensing

Compare specifications →

Instance types (8)

InstancevCPUMemoryArchitectureFrom (Linux, $/hr)
r7iz.large216 GBx86_64$0.1860
r7iz.xlarge432 GBx86_64$0.3720
r7iz.2xlarge864 GBx86_64$0.7440
r7iz.4xlarge16128 GBx86_64$1.4880
r7iz.8xlarge32256 GBx86_64$2.9760
r7iz.12xlarge48384 GBx86_64$4.4640
r7iz.16xlarge64512 GBx86_64$5.9520
r7iz.32xlarge1281,024 GBx86_64$11.9040