r5a.8xlarge

Amazon EC2 · R5a family

The r5a.8xlarge is a memory optimized Amazon EC2 instance type with 32 vCPUs and 256 GiB of memory, running on AMD EPYC 7571 with up to 10 Gigabit networking, starting at $1.144 per hour on demand.

memory optimizedx86-64amd
vCPUs
32

dedicated

memory
256 GiB

8 GiB per vCPU

processor
AMD

2.5 GHz

on-demand
$1.808

$1,320/mo · us-east-1

spot
$0.775

−57% vs on-demand

1-yr reserved
$1.139

−37% vs on-demand

r5a.8xlarge price by region

18 regions · hourly list prices in USD · On-demand · Spot · 1-yr Reserved · 3-yr Reserved

Asia Pacific (Mumbai)ap-south-1cheapestAsia$1.144$0.4897$0.717$0.494
US East (N. Virginia)us-east-1referenceNorth America$1.808$0.775$1.139$0.781
US East (Ohio)us-east-2North America$1.808$0.7289$1.139$0.781
US West (Oregon)us-west-2North America$1.808$0.8409$1.139$0.781
Canada (Central)ca-central-1North America$1.984$0.9201$1.25$0.857
US West (N. California)us-west-1North America$2.016$0.9074$1.27$0.871
EU (Ireland)eu-west-1Europe$2.032$0.9876$1.28$0.878
EU (London)eu-west-2Europe$2.128$0.8453$1.341$0.919
EU (Milan)eu-south-1Europe$2.128$0.2529$1.341$0.919
EU (Paris)eu-west-3Europe$2.128$0.7104$1.341$0.919
Asia Pacific (Seoul)ap-northeast-2Asia$2.176$0.8345$1.371$0.94
Asia Pacific (Singapore)ap-southeast-1Asia$2.176$0.9105$1.371$0.94
Asia Pacific (Sydney)ap-southeast-2Oceania$2.176$0.9802$1.371$0.94
AWS GovCloud (US-East)us-gov-east-1North America$2.176–$1.371$0.94
AWS GovCloud (US)us-gov-west-1North America$2.176–$1.371$0.94
Asia Pacific (Tokyo)ap-northeast-1Asia$2.192$0.9984$1.379$0.947
EU (Frankfurt)eu-central-1Europe$2.192$0.9351$1.379$0.947
South America (Sao Paulo)sa-east-1South America$2.896$0.4397$1.824$1.251

Specifications

compute

vCPUs
32
Memory
256 GiB
Memory per vCPU
8 GiB
Processor
AMD EPYC 7571
CPU vendor
AMD
Architecture
x86-64
Clock speed
2.5 GHz
Burstable CPU
No

storage & network

Local storage
Network storage only
Storage detail
EBS only
Network
Up to 10 Gigabit
Peak bandwidth
10 Gbps

aws details

API name
r5a.8xlarge
Family
R5a
Category
Memory optimized
Generation
Current
Regions
18 (Asia, Europe, North America, Oceania, South America)
Cheapest region
Asia Pacific (Mumbai) · $1.144/hr
Dedicated EBS throughput
3500 Mbps
Enhanced networking
Yes
Normalization size factor
64
Processor features
AVX; AVX2; AMD Turbo
Spot interruption rate (us-east-1)
>20%
Spot savings vs on-demand (us-east-1)
64%

r5a.8xlarge equivalents on other clouds

closest match by vCPU, memory, CPU architecture, accelerator and class · Linux on-demand in each provider's reference region

compare side by side→
ProviderInstancevCPUMemoryProcessorOn-demandvs r5a.8xlarge
AWSr5a.8xlarge32256 GiBAMD EPYC 7571$1.808–
AzureE32as v532256 GiBAMD EPYC 7763v (Milan)$1.8080%
E32as v632256 GiBAMD EPYC 9004 (Genoa)$1.907+5%
Google Cloudn4d-highmem-3232256 GiBAMD Turin$1.779-2%
n2d-highmem-3232256 GiBAMD Milan, AMD Rome$1.824+1%
AkamaiG8 Dedicated 128x32128 GiB (2× less)32128 GiBAMD EPYC$1.68-7%
Dedicated 256GB56 vCPU (1.75×)56256 GiBAMD EPYC$3.456+91%
Vultrvx1-m-32c-256gb32256 GiBAMD EPYC$1.28-29%
vx1-m-32c-256g-1920s32256 GiBAMD EPYC$1.543-15%

R5a family sizes

all about R5a→
SizevCPUMemoryLocal storageOn-demandMonthlySpot1-yr
r5a.large216 GiB–$0.113$82.49$0.0514$0.071
r5a.xlarge432 GiB–$0.226$165$0.1026$0.142
r5a.2xlarge864 GiB–$0.452$330$0.2212$0.285
r5a.4xlarge16128 GiB–$0.904$660$0.3918$0.57
r5a.8xlarge32256 GiB–$1.808$1,320$0.775$1.139
r5a.12xlarge48384 GiB–$2.712$1,980$1.252$1.709
r5a.16xlarge64512 GiB–$3.616$2,640$1.547$2.278
r5a.24xlarge96768 GiB–$5.424$3,960$1.97$3.417

Similar instance types on AWS

other AWS families with a similar shape, cheapest first

r5a.8xlarge FAQ

How much does r5a.8xlarge cost?

r5a.8xlarge costs $1.808 per hour on demand with Linux in US East (N. Virginia) (us-east-1), about $1,320 per month. Across 18 regions the Linux on-demand price ranges from $1.144 in Asia Pacific (Mumbai) to $2.896 in South America (Sao Paulo). Spot capacity costs $0.775 per hour (57% less), but can be reclaimed. A 1-yr Reserved commitment brings it to $1.139 per hour. With Windows it costs $3.28 per hour.

How many vCPUs and how much memory does r5a.8xlarge have?

r5a.8xlarge has 32 vCPUs and 256 GiB of memory (8 GiB per vCPU), running on AMD EPYC 7571. It is a memory optimized instance type in the R5a family.

What is the cheapest region for r5a.8xlarge?

Asia Pacific (Mumbai) (ap-south-1) at $1.144 per hour for Linux on demand, 37% less than US East (N. Virginia). r5a.8xlarge is sold in 18 AWS regions.

What are the equivalents of r5a.8xlarge on other clouds?

The closest matches by vCPU, memory, CPU architecture and instance class are on Azure, E32as v5 (32 vCPU, 256 GiB, $1.808/hour in East US); on Google Cloud, n4d-highmem-32 (32 vCPU, 256 GiB, $1.779/hour in Iowa); on Akamai, G8 Dedicated 128x32 (32 vCPU, 128 GiB, $1.68/hour in Newark, NJ); on Vultr, vx1-m-32c-256gb (32 vCPU, 256 GiB, $1.28/hour in New Jersey).