r8i-flex.4xlarge

Amazon EC2 · R8i-flex family

The r8i-flex.4xlarge is a memory optimized Amazon EC2 instance type with 16 vCPUs and 128 GiB of memory, running on Intel Xeon Scalable (Granite Rapids) with up to 15 Gigabit networking, starting at $1.056 per hour on demand.

memory optimizedx86-64intel
vCPUs
16

dedicated

memory
128 GiB

8 GiB per vCPU

processor
Intel

3.9 GHz

on-demand
$1.056

$771/mo · us-east-1

spot
–

not offered

regions
27

across 7 areas

r8i-flex.4xlarge price by region

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

US East (N. Virginia)us-east-1cheapestreferenceNorth America$1.056
US East (Ohio)us-east-2cheapestNorth America$1.056
US West (Oregon)us-west-2cheapestNorth America$1.056
Asia Pacific (Malaysia)ap-southeast-5Asia$1.083
Asia Pacific (Hyderabad)ap-south-2Asia$1.089
Asia Pacific (Mumbai)ap-south-1Asia$1.089
EU (Stockholm)eu-north-1Europe$1.123
Canada (Central)ca-central-1North America$1.156
Canada West (Calgary)ca-west-1North America$1.156
US West (N. California)us-west-1North America$1.173
EU (Ireland)eu-west-1Europe$1.181
EU (Spain)eu-south-2Europe$1.181
EU (London)eu-west-2Europe$1.24
EU (Milan)eu-south-1Europe$1.24
EU (Paris)eu-west-3Europe$1.24
Asia Pacific (Sydney)ap-southeast-2Oceania$1.265
AWS GovCloud (US-East)us-gov-east-1North America$1.265
AWS GovCloud (US)us-gov-west-1North America$1.265
Asia Pacific (Seoul)ap-northeast-2Asia$1.274
Asia Pacific (Singapore)ap-southeast-1Asia$1.274
Asia Pacific (Tokyo)ap-northeast-1Asia$1.274
EU (Frankfurt)eu-central-1Europe$1.274
Middle East (UAE)me-central-1Middle East$1.30
Asia Pacific (New Zealand)ap-southeast-6Oceania$1.328
EU (Zurich)eu-central-2Europe$1.401
Africa (Cape Town)af-south-1Africa$1.408
South America (Sao Paulo)sa-east-1South America$1.684

Specifications

compute

vCPUs
16
Memory
128 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
Up to 15 Gigabit
Peak bandwidth
15 Gbps

aws details

API name
r8i-flex.4xlarge
Family
R8i-flex
Category
Memory optimized
Generation
Current
Regions
27 (Africa, Asia, Europe, Middle East, North America, Oceania, South America)
Cheapest region
US East (N. Virginia) · $1.056/hr
Dedicated EBS throughput
Up to 10000 Mbps
Enhanced networking
Yes
Normalization size factor
32
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)
56%

r8i-flex.4xlarge 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-flex.4xlarge
AWSr8i-flex.4xlarge16128 GiBIntel Xeon Scalable (Granite Rapids)$1.056–
AzureE16as v516128 GiBAMD EPYC 7763v (Milan)$0.904-14%
E16as v616128 GiBAMD EPYC 9004 (Genoa)$0.954-10%
Google Cloude2-highmem-1616128 GiBAMD Rome, Intel Broadwell, Intel Haswell, Intel Skylake$0.7232-31%
n4d-highmem-1616128 GiBAMD Turin$0.8894-16%
AkamaiLinode 300GB300 GiB (2.3×)16300 GiBAMD EPYC$1.44+36%
G8 Dedicated 64x1664 GiB (2× less)1664 GiBAMD EPYC$0.84-20%
Vultrvx1-m-16c-128gb16128 GiBAMD EPYC$0.64-39%
vx1-m-16c-128g-960s16128 GiBAMD EPYC$0.772-27%

R8i-flex family sizes

all about R8i-flex→
SizevCPUMemoryLocal storageOn-demandMonthly
r8i-flex.large216 GiB–$0.132$96.34
r8i-flex.xlarge432 GiB–$0.2639$193
r8i-flex.2xlarge864 GiB–$0.5279$385
r8i-flex.4xlarge16128 GiB–$1.056$771
r8i-flex.8xlarge32256 GiB–$2.112$1,541
r8i-flex.12xlarge48384 GiB–$3.167$2,312
r8i-flex.16xlarge64512 GiB–$4.223$3,083

Similar instance types on AWS

other AWS families with a similar shape, cheapest first

r8i-flex.4xlarge FAQ

How much does r8i-flex.4xlarge cost?

r8i-flex.4xlarge costs $1.056 per hour on demand with Linux in US East (N. Virginia) (us-east-1), about $771 per month. Across 27 regions the Linux on-demand price ranges from $1.056 in US East (N. Virginia) to $1.684 in South America (Sao Paulo). With Windows it costs $1.755 per hour.

How many vCPUs and how much memory does r8i-flex.4xlarge have?

r8i-flex.4xlarge has 16 vCPUs and 128 GiB of memory (8 GiB per vCPU), running on Intel Xeon Scalable (Granite Rapids). It is a memory optimized instance type in the R8i-flex family.

What are the equivalents of r8i-flex.4xlarge on other clouds?

The closest matches by vCPU, memory, CPU architecture and instance class are on Azure, E16as v5 (16 vCPU, 128 GiB, $0.904/hour in East US); on Google Cloud, e2-highmem-16 (16 vCPU, 128 GiB, $0.7232/hour in Iowa); on Akamai, Linode 300GB (16 vCPU, 300 GiB, $1.44/hour in Newark, NJ); on Vultr, vx1-m-16c-128gb (16 vCPU, 128 GiB, $0.64/hour in New Jersey).