r8ib.12xlarge
Part of the R8IB 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.88th Generation8 = 8th GenerationAWS 8th generation hardware platform with updated CPU/system architecture.iIntel Xeon Scalablei = Intel Xeon ScalableIntel Xeon Scalable (Granite Rapids) (x86_64). Powered by Intel Xeon Scalable x86_64 processors with Intel Advanced Vector Extensions (AVX-512 / AMX) acceleration.bBlock Storage Optimized (EBS)b = Block Storage Optimized (EBS)Optimized for Amazon EBS with higher dedicated storage throughput and IOPS (up to 60 Gbps / 260,000 IOPS).12xlarge12 Extra Large12xlarge = 12 Extra Large48 vCPUs • 384.0 GiB RAM • EBS only • 50 Gigabit NetworkPrice (Linux)
$5.0208/ hr
~$3,665.18/mo
Compute
48vCPUs
24 cores • x86_64
Memory
384.0GiB
8.0 GiB / vCPU
Value
$0.1046/ vCPU-hr
$0.0131/GiB-hr
Network
50Gbps
Baseline: 50 Gbps
Storage & EBS
4,687.5MB/s
Max: 180,000 IOPS
Technical Specifications & Limits
Hardware specs, container thresholds, and system limitsCompute & Processor
ProcessorIntel Xeon Scalable (Granite Rapids)
Architecturex86_64 (x86_64)
vCPUs / Threads48 vCPUs
Physical Cores24
Clock Speed3.9 GHz
Intel AVX / AVX2AVX & AVX2 Supported
Intel Turbo BoostYes
Bare MetalNo (Virtualized)
Performance & Benchmarks
CoreMark Score1,145,767
CoreMark / vCPU23,870.1 / core
FFmpeg Transcoding143 FPS
CoreMark per Dollar228,204 score / $
Cost per vCPU-hr$0.1046
Cost per GiB-hr$0.0131
Containers & Kubernetes
EKS Max Pods590 pods
Max ECS Tasks—
Max ENIs12
IPv4/v6 per ENI50
Total Addressable IPs600 total IPs
CNI Prefix DelegationSupported (High Density)
Networking & Bandwidth
Network Performance50 Gigabit
Baseline Bandwidth50 Gbps
Burst / Peak Bandwidth50 Gbps
Enhanced NetworkingYes
EFA SupportNo
IPv6 SupportNative Dual-Stack Supported
Storage & EBS Optimization
Storage ConfigurationEBS only
Local NVMe DiskNone (EBS only)
EBS Baseline Throughput4687.5 MB/s
EBS Max Throughput4687.5 MB/s
EBS Baseline IOPS180,000
EBS Max / Burst IOPS180,000
Dedicated EBS Throughput37500 Mbps
Platform & Architecture Details
Hypervisor / SystemAWS Nitro System (PCIe Offload)
Nitro EnclavesSupported (Isolated security enclaves)
Normalization Factor96
Generation StatusCurrent Generation (Recommended)
Date Introduced2026-04-27
Regional Pricing Matrix
Live on-demand rates across all global AWS cloud regionsLowest Price Region
$5.0208/ hr
US East (N. Virginia) (us-east-1)Highest Price Region
$6.0989/ hr
Asia Pacific (Tokyo) (ap-northeast-1)Global Fleet Average
$5.4877/ hr
Across all active regionsRegional Coverage
7regions
Available worldwide| Region Name | Region Code | On-Demand Price |
|---|---|---|
Asia Pacific (Tokyo)Highest | ap-northeast-1 | $6.0989 |
EU (Frankfurt) | eu-central-1 | $5.9978 |
EU (Ireland) | eu-west-1 | $5.6273 |
Europe (Spain) | eu-south-2 | $5.6273 |
US East (N. Virginia)Lowest | us-east-1 | $5.0208 |
US East (Ohio)Lowest | us-east-2 | $5.0208 |
US West (Oregon)Lowest | us-west-2 | $5.0208 |
| Region Name | Region Code | On-Demand Price |
|---|---|---|
Asia Pacific (Tokyo)Highest | ap-northeast-1 | $8.3069 |
EU (Frankfurt) | eu-central-1 | $8.2058 |
EU (Ireland) | eu-west-1 | $7.8353 |
Europe (Spain) | eu-south-2 | $7.8353 |
US East (N. Virginia)Lowest | us-east-1 | $7.2288 |
US East (Ohio)Lowest | us-east-2 | $7.2288 |
US West (Oregon)Lowest | us-west-2 | $7.2288 |
No regions matched your search filter.