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AWS Amazon EC2

r6i.12xlarge

Part of the R6I Memory Optimized family — High memory-to-vCPU ratio for memory-intensive applications.

Name:rMemory Optimizedr = Memory OptimizedHigh memory-to-vCPU ratio designed for memory-intensive applications such as databases, distributed caches, and in-memory analytics.66th Generation6 = 6th GenerationAWS 6th generation hardware platform with updated CPU/system architecture.iIntel Xeon Scalablei = Intel Xeon ScalableIntel Xeon 8375C (Ice Lake) (x86_64). Powered by Intel Xeon Scalable x86_64 processors with Intel Advanced Vector Extensions (AVX-512 / AMX) acceleration.12xlarge12 Extra Large12xlarge = 12 Extra Large48 vCPUs • 384 GB RAM • EBS only • 18.75 Gbps Network
On-demand, Linux
$3.0240/ hr
~$2,207.52/mo · lowest in US East (N. Virginia), us-east-1
Savings Plan, Linux
$1.57744/ hr
From, with a 3-year Compute Savings Plan, No Upfront: −48% vs on-demand rate (us-east-1)
Per unit
$0.0630/ vCPU-hr
$0.0079/GB-hr
Compute
48vCPUs
24 cores • x86_64
Memory
384GB
8.0 GB / vCPU
Network
18.75 Gbps
Baseline: 18.75 Gbps
Storage & EBS
1,875MB/s
Max: 60,000 IOPS

Alternatives to r6i.12xlarge

OptionPrice vs r6i.12xlargeWhy look at it
r6a.12xlargeCompare →
-10%-$0.302/hr
Linux on-demand, us-east-1		AMD (x86_64), same vCPU and RAM
r6g.12xlargeCompare →
-20%-$0.605/hr
Linux on-demand, us-east-1		Graviton (arm64), same vCPU and RAM
r5.12xlargeCompare →
same price
Linux on-demand, us-east-1		Previous generation, same vCPU and RAM
r7i.12xlargeCompare →
+5%+$0.151/hr
Linux on-demand, us-east-1		Newer generation, same vCPU and RAM

On Google Cloud

The nearest Google Cloud machines to r6i.12xlarge by vCPU and memory, at On-demand Linux rates in Northern Virginia (us-east-1 ↔ us-east4).

MachineSizeOn-demand Linuxvs r6i.12xlarge
r6i.12xlargeThis page · AWS, us-east-148 vCPU · 384 GiB$3.0240/hr—
n4-highmem-48same 48 vCPU and 384 GiB; Intel on both48 vCPU · 384 GiB$2.85648/hr5.5% less
n2-highmem-48same 48 vCPU and 384 GiB; Intel on both48 vCPU · 384 GiB$3.541104/hr17% more
n4d-highmem-48same 48 vCPU and 384 GiB; Intel vs AMD48 vCPU · 384 GiB$2.66832/hr12% less

Matched on vCPU and memory, then CPU vendor, then rate; a larger size is offered only when nothing is the same size. On-demand Linux only: Spot and commitments work differently on the two clouds, so they aren't compared here.

Technical Specifications & Limits

Hardware specs, container thresholds, and system limits

Compute & Processor

ProcessorIntel Xeon 8375C (Ice Lake)
Architecturex86_64 (x86_64)
vCPUs / Threads48 vCPUs
Physical Cores24
Clock Speed3.5 GHz
Intel AVX / AVX2AVX & AVX2 Supported
Intel Turbo BoostYes
Bare MetalNo (Virtualized)

Performance & Benchmarks

CoreMark Score845,256
CoreMark / vCPU17,609.5 / core
FFmpeg Transcoding218 FPS
CoreMark per Dollar279,516 score / $
Cost per vCPU-hr$0.0630
Cost per GB-hr$0.0079

Containers & Kubernetes

EKS Max Pods234 pods
Max ENIs8
IPv4/v6 per ENI30
Total Addressable IPs240 total IPs
CNI Prefix DelegationSupported (High Density)

Networking & Bandwidth

Network Performance18.75 Gbps
Baseline Bandwidth18.75 Gbps
Burst / Peak Bandwidth18.75 Gbps
Enhanced NetworkingYes
EFA SupportNo
IPv6 SupportNative Dual-Stack Supported

Storage & EBS Optimization

Storage ConfigurationEBS only
Local NVMe DiskNone (EBS only)
EBS Baseline Throughput1875 MB/s
EBS Max Throughput1875 MB/s
EBS Baseline IOPS60,000
EBS Max / Burst IOPS60,000
Dedicated EBS Throughput15000 Mbps

Platform & Architecture Details

Hypervisor / SystemAWS Nitro System (PCIe Offload)
Nitro EnclavesSupported (Isolated security enclaves)
Normalization Factor96
Generation StatusCurrent Generation (Recommended)

Rates by region

Live on-demand rates across all global AWS cloud regions
Lowest Price Region
$3.0240/ hr
US East (N. Virginia) (us-east-1)
Highest Price Region
$4.8240/ hr
South America (Sao Paulo) (sa-east-1)
Global Fleet Average
$3.5521/ hr
Across all active regions
Regional Coverage
39regions
Available worldwide
Linux — Available in all 39 regions
RegionOn-Demand Price
af-south-1
Africa (Cape Town)
$4.0320
ap-east-1
Asia Pacific (Hong Kong)
$4.0080
ap-south-2
Asia Pacific (Hyderabad)
$3.1200
ap-southeast-5
Asia Pacific (Malaysia)
$3.1008
ap-south-1
Asia Pacific (Mumbai)
$3.1200
ap-southeast-6
Asia Pacific (New Zealand)
$3.8052
ap-northeast-3
Asia Pacific (Osaka)
$3.6480
ap-northeast-2
Asia Pacific (Seoul)
$3.6480
ap-southeast-1
Asia Pacific (Singapore)
$3.6480
ap-southeast-2
Asia Pacific (Sydney)
$3.6240
ap-east-2
Asia Pacific (Taipei)
$3.2832
ap-southeast-7
Asia Pacific (Thailand)
$3.1008
ap-northeast-1
Asia Pacific (Tokyo)
$3.6480
us-gov-east-1
AWS GovCloud (US-East)
$3.6240
us-gov-west-1
AWS GovCloud (US-West)
$3.6240
ca-central-1
Canada (Central)
$3.3120
ca-west-1
Canada West (Calgary)
$3.3120
eu-central-1
EU (Frankfurt)
$3.6480
eu-west-1
EU (Ireland)
$3.3840
eu-west-2
EU (London)
$3.5520
eu-south-1
EU (Milan)
$3.5520
eu-west-3
EU (Paris)
$3.5520
eu-north-1
EU (Stockholm)
$3.2160
eu-central-2
Europe (Zurich)
$4.0128
il-central-1
Israel (Tel Aviv)
$3.5532
mx-central-1
Mexico (Central)
$3.1752
me-south-1
Middle East (Bahrain)
$3.7224
me-central-1
Middle East (UAE)
$3.7224
sa-east-1
South America (Sao Paulo)
Highest
$4.8240
us-east-1-atl-1
US East (Atlanta)
$3.7800
us-east-1-chi-1
US East (Chicago)
$3.7800
us-east-1-dfw-1
US East (Dallas)
$3.7800
us-east-1-iah-1
US East (Houston)
$3.7800
us-east-1-mia-1
US East (Miami)
$3.7800
us-east-1
US East (N. Virginia)
Lowest
$3.0240
us-east-2
US East (Ohio)
Lowest
$3.0240
us-west-1
US West (N. California)
$3.3600
us-west-2
US West (Oregon)
Lowest
$3.0240
us-west-2-phx-1
US West (Phoenix)
$3.6288