r8i.16xlarge

Amazon EC2 · R8i family

The r8i.16xlarge is a memory optimized Amazon EC2 instance type with 64 vCPUs and 512 GiB of memory, running on Intel Xeon Scalable (Granite Rapids) with 30 Gigabit networking, starting at $4.445 per hour on demand.

memory optimizedx86-64intel
vCPUs
64

dedicated

memory
512 GiB

8 GiB per vCPU

processor
Intel

3.9 GHz

on-demand
$4.445

$3,245/mo · us-east-1

spot
–

not offered

regions
28

across 7 areas

r8i.16xlarge price by region

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

US East (N. Virginia)us-east-1cheapestreferenceNorth America$4.445
US East (Ohio)us-east-2cheapestNorth America$4.445
US West (Oregon)us-west-2cheapestNorth America$4.445
Asia Pacific (Malaysia)ap-southeast-5Asia$4.558
Asia Pacific (Hyderabad)ap-south-2Asia$4.587
Asia Pacific (Mumbai)ap-south-1Asia$4.587
EU (Stockholm)eu-north-1Europe$4.728
Canada (Central)ca-central-1North America$4.869
Canada West (Calgary)ca-west-1North America$4.869
US West (N. California)us-west-1North America$4.939
EU (Ireland)eu-west-1Europe$4.974
EU (Spain)eu-south-2Europe$4.974
EU (London)eu-west-2Europe$5.221
EU (Milan)eu-south-1Europe$5.221
EU (Paris)eu-west-3Europe$5.221
Israel (Tel Aviv)il-central-1Middle East$5.223
Asia Pacific (Sydney)ap-southeast-2Oceania$5.327
AWS GovCloud (US-East)us-gov-east-1North America$5.327
AWS GovCloud (US)us-gov-west-1North America$5.327
Asia Pacific (Seoul)ap-northeast-2Asia$5.363
Asia Pacific (Singapore)ap-southeast-1Asia$5.363
Asia Pacific (Tokyo)ap-northeast-1Asia$5.363
EU (Frankfurt)eu-central-1Europe$5.363
Middle East (UAE)me-central-1Middle East$5.472
Asia Pacific (New Zealand)ap-southeast-6Oceania$5.594
EU (Zurich)eu-central-2Europe$5.899
Africa (Cape Town)af-south-1Africa$5.927
South America (Sao Paulo)sa-east-1South America$7.091

Specifications

compute

vCPUs
64
Memory
512 GiB
Memory per vCPU
8 GiB
Processor
Intel Xeon Scalable (Granite Rapids)
CPU vendor
Intel
Architecture
x86-64
Clock speed
3.9 GHz
Burstable CPU
No

storage & network

Local storage
Network storage only
Storage detail
EBS only
Network
30 Gigabit
Peak bandwidth
30 Gbps

aws details

API name
r8i.16xlarge
Family
R8i
Category
Memory optimized
Generation
Current
Regions
28 (Africa, Asia, Europe, Middle East, North America, Oceania, South America)
Cheapest region
US East (N. Virginia) · $4.445/hr
Dedicated EBS throughput
20000 Mbps
Enhanced networking
Yes
Normalization size factor
128
Processor features
Intel AVX; Intel AVX2; Intel AVX512; Intel Turbo; Intel AMX
Spot interruption rate (us-east-1)
>20%
Spot savings vs on-demand (us-east-1)
67%

r8i.16xlarge 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 r8i.16xlarge
AWSr8i.16xlarge64512 GiBIntel Xeon Scalable (Granite Rapids)$4.445–
AzureE64as v564512 GiBAMD EPYC 7763v (Milan)$3.616-19%
E64as v664512 GiBAMD EPYC 9004 (Genoa)$3.814-14%
Google Cloudn4d-highmem-6464512 GiBAMD Turin$3.558-20%
n2d-highmem-6464512 GiBAMD Milan, AMD Rome$3.647-18%
AkamaiG8 Dedicated 256x64256 GiB (2× less)64256 GiBAMD EPYC$3.36-24%
Dedicated 256GB56 vCPU (1.1× less) · 256 GiB (2× less)56256 GiBAMD EPYC$3.456-22%
Vultrvx1-m-64c-512gb64512 GiBAMD EPYC$2.56-42%
vx1-m-64c-512g-3840s64512 GiBAMD EPYC$3.086-31%

R8i family sizes

all about R8i→
SizevCPUMemoryLocal storageOn-demandMonthly
r8i.large216 GiB–$0.1389$101
r8i.xlarge432 GiB–$0.2778$203
r8i.2xlarge864 GiB–$0.5557$406
r8i.4xlarge16128 GiB–$1.111$811
r8i.8xlarge32256 GiB–$2.223$1,623
r8i.12xlarge48384 GiB–$3.334$2,434
r8i.16xlarge64512 GiB–$4.445$3,245
r8i.24xlarge96768 GiB–$6.668$4,868
r8i.32xlarge1281 TiB–$8.891$6,490
r8i.48xlarge1921,536 GiB–$13.34$9,736
r8i.metal-48xl1921,536 GiB–$13.34$9,736
r8i.96xlarge3843 TiB–$26.67$19,471
r8i.metal-96xl3843 TiB–$26.67$19,471

Similar instance types on AWS

other AWS families with a similar shape, cheapest first

r8i.16xlarge FAQ

How much does r8i.16xlarge cost?

r8i.16xlarge costs $4.445 per hour on demand with Linux in US East (N. Virginia) (us-east-1), about $3,245 per month. Across 28 regions the Linux on-demand price ranges from $4.445 in US East (N. Virginia) to $7.091 in South America (Sao Paulo). With Windows it costs $7.389 per hour.

How many vCPUs and how much memory does r8i.16xlarge have?

r8i.16xlarge has 64 vCPUs and 512 GiB of memory (8 GiB per vCPU), running on Intel Xeon Scalable (Granite Rapids). It is a memory optimized instance type in the R8i family.

What are the equivalents of r8i.16xlarge on other clouds?

The closest matches by vCPU, memory, CPU architecture and instance class are on Azure, E64as v5 (64 vCPU, 512 GiB, $3.616/hour in East US); on Google Cloud, n4d-highmem-64 (64 vCPU, 512 GiB, $3.558/hour in Iowa); on Akamai, G8 Dedicated 256x64 (64 vCPU, 256 GiB, $3.36/hour in Newark, NJ); on Vultr, vx1-m-64c-512gb (64 vCPU, 512 GiB, $2.56/hour in Amsterdam).