r5a.12xlarge

Amazon EC2 · R5a family

The r5a.12xlarge is a memory optimized Amazon EC2 instance type with 48 vCPUs and 384 GiB of memory, running on AMD EPYC 7571 with 10 Gigabit networking, starting at $1.716 per hour on demand.

memory optimizedx86-64amd
vCPUs
48

dedicated

memory
384 GiB

8 GiB per vCPU

processor
AMD

2.5 GHz

on-demand
$2.712

$1,980/mo · us-east-1

spot
$1.252

−54% vs on-demand

1-yr reserved
$1.709

−37% vs on-demand

r5a.12xlarge 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$1.716$0.5955$1.076$0.741
US East (N. Virginia)us-east-1referenceNorth America$2.712$1.252$1.709$1.172
US East (Ohio)us-east-2North America$2.712$1.086$1.709$1.172
US West (Oregon)us-west-2North America$2.712$1.208$1.709$1.172
Canada (Central)ca-central-1North America$2.976$0.7699$1.875$1.286
US West (N. California)us-west-1North America$3.024$1.098$1.905$1.306
EU (Ireland)eu-west-1Europe$3.048$1.589$1.92$1.317
EU (London)eu-west-2Europe$3.192$1.106$2.011$1.379
EU (Milan)eu-south-1Europe$3.192$0.5122$2.011$1.379
EU (Paris)eu-west-3Europe$3.192$0.6215$2.011$1.379
Asia Pacific (Seoul)ap-northeast-2Asia$3.264$1.181$2.056$1.41
Asia Pacific (Singapore)ap-southeast-1Asia$3.264$0.976$2.056$1.41
Asia Pacific (Sydney)ap-southeast-2Oceania$3.264$1.443$2.056$1.41
AWS GovCloud (US-East)us-gov-east-1North America$3.264–$2.056$1.41
AWS GovCloud (US)us-gov-west-1North America$3.264–$2.056$1.41
Asia Pacific (Tokyo)ap-northeast-1Asia$3.288$1.49$2.068$1.42
EU (Frankfurt)eu-central-1Europe$3.288$1.186$2.068$1.42
South America (Sao Paulo)sa-east-1South America$4.344$0.5096$2.737$1.877

Specifications

compute

vCPUs
48
Memory
384 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
10 Gigabit
Peak bandwidth
10 Gbps

aws details

API name
r5a.12xlarge
Family
R5a
Category
Memory optimized
Generation
Current
Regions
18 (Asia, Europe, North America, Oceania, South America)
Cheapest region
Asia Pacific (Mumbai) · $1.716/hr
Dedicated EBS throughput
5000 Mbps
Enhanced networking
Yes
Normalization size factor
96
Processor features
AVX; AVX2; AMD Turbo
Spot interruption rate (us-east-1)
>20%
Spot savings vs on-demand (us-east-1)
62%

r5a.12xlarge 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.12xlarge
AWSr5a.12xlarge48384 GiBAMD EPYC 7571$2.712–
AzureE48as v548384 GiBAMD EPYC 7763v (Milan)$2.7120%
E48as v648384 GiBAMD EPYC 9004 (Genoa)$2.861+5%
Google Cloudn4d-highmem-4848384 GiBAMD Turin$2.668-2%
n2d-highmem-4848384 GiBAMD Milan, AMD Rome$2.736+1%
AkamaiDedicated 256GB56 vCPU (1.17×) · 256 GiB (1.5× less)56256 GiBAMD EPYC$3.456+27%
G7 Dedicated 256x5656 vCPU (1.17×) · 256 GiB (1.5× less)56256 GiBAMD EPYC$4.148+53%
Vultrvx1-m-48c-384gb48384 GiBAMD EPYC$1.92-29%
vx1-m-48c-384g-2880s48384 GiBAMD EPYC$2.315-15%

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.12xlarge FAQ

How much does r5a.12xlarge cost?

r5a.12xlarge costs $2.712 per hour on demand with Linux in US East (N. Virginia) (us-east-1), about $1,980 per month. Across 18 regions the Linux on-demand price ranges from $1.716 in Asia Pacific (Mumbai) to $4.344 in South America (Sao Paulo). Spot capacity costs $1.252 per hour (54% less), but can be reclaimed. A 1-yr Reserved commitment brings it to $1.709 per hour. With Windows it costs $4.92 per hour.

How many vCPUs and how much memory does r5a.12xlarge have?

r5a.12xlarge has 48 vCPUs and 384 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.12xlarge?

Asia Pacific (Mumbai) (ap-south-1) at $1.716 per hour for Linux on demand, 37% less than US East (N. Virginia). r5a.12xlarge is sold in 18 AWS regions.

What are the equivalents of r5a.12xlarge on other clouds?

The closest matches by vCPU, memory, CPU architecture and instance class are on Azure, E48as v5 (48 vCPU, 384 GiB, $2.712/hour in East US); on Google Cloud, n4d-highmem-48 (48 vCPU, 384 GiB, $2.668/hour in Iowa); on Akamai, Dedicated 256GB (56 vCPU, 256 GiB, $3.456/hour in Newark, NJ); on Vultr, vx1-m-48c-384gb (48 vCPU, 384 GiB, $1.92/hour in New Jersey).