AWS Announces General Availability of New Memory-Optimized EC2 R8i and R8i-flex Instances

Today,we’re announcing general availability of the new eighth generation,memory optimized Amazon elastic Compute Cloud (Amazon EC2) R8i and R8i-flex instances powered by custom Intel Xeon 6 processors, available only on AWS. They deliver the highest performance and fastest memory bandwidth among comparable Intel processors in the cloud. These instances deliver up to 15 percent better price performance,20 percent higher performance,and 2.5 times more memory throughput compared to previous generation instances.

With these improvements, R8i and R8i-flex instances are ideal for a variety of memory intensive workloads such as SQL and NoSQL databases, distributed web scale in-memory caches (Memcached and Redis), in-memory databases such as SAP HANA, and real-time big data analytics (Apache Hadoop and Apache Spark clusters). for a majority of the workloads that don’t fully utilize the compute resources, the R8i-flex instances are a great first choice to achieve an additional 5 percent better price performance and 5 percent lower prices.

Improvements made to both instances compared to thier predecessors

In terms of performance, R8i and R8i-flex instances offer 20 percent better performance than R7i instances, with even higher gains for specific workloads. These instances are up to 30 percent faster for PostgreSQL databases, up to 60 percent faster for NGINX web applications, and up to 40 percent faster for AI deep learning recommendation models compared to previous generation R7i instances, with sustained all-core turbo frequency now reaching 3.9 GHz (compared to 3.2 GHz in the previous generation). They also feature a 4.6x larger L3 cache and significantly better memory throughput, offering 2.5 times higher memory bandwidth than the seventh generation. With this higher performance across all the vectors, you can run a greater number of workloads while keeping costs down.

R8i instances now scale up to 96xlarge with up to 384 vCPUs and 3TB memory (versus 48xlarge sizes in the seventh generation), helping you to scale up database applications. R8i instances are SAP certified to deliver 142,100 aSAPS,which is highest among all comparable machines in on premises and cloud environments,delivering exceptional p

Amazon EC2 r8i Instance Types: A Detailed Overview

Amazon EC2 r8i instances are powered by 3rd generation Intel Xeon Scalable processors,offering a compelling price-performance ratio for a wide range of workloads. These instances are particularly well-suited for compute-intensive applications, high-performance computing (HPC), and memory-bound workloads. Here’s a detailed breakdown of the available r8i instance types and their specifications:

| Instance Type | vCPUs | Memory (GiB) | Network Performance (Gbps) | EBS Performance (Gbps) |
|—|—|—|—|—|
| r8i.4xlarge | 16 | 128 | Up to 15 | Up to 10 |
| r8i.8xlarge | 32 | 256 | 15 | 10 |
| r8i.12xlarge | 48 | 384 | 22.5 | 15 |
| r8i.16xlarge | 64 | 512 | 30 | 20 |
| r8i.24xlarge | 96 | 768 | 40 | 30 |
| r8i.32xlarge | 128 | 1024 | 50 | 40 |
| r8i.48xlarge | 192 | | | |“`html

AWS R8i-Flex instance Specifications

The R8i-flex instances offer a flexible memory-to-vCPU ratio, allowing you to optimize for your workload needs.These instances are powered by 3rd generation Intel Xeon scalable processors and are ideal for memory-intensive applications like in-memory databases, data analytics, and high-performance computing.

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