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r8i-flex.2xlarge

Part of the R8I-FLEX 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.flexFlex Instanceflex = Flex InstanceFlex instances offer up to 19% better price-to-performance for workloads that do not continuously utilize full compute capacity.2xlarge2 Extra Large2xlarge = 2 Extra Large8 vCPUs • 64 GB RAM • EBS only • Up to 15 Gbps Network
Price (Linux)
$0.5279/ hr
~$385.35/mo
Compute
8vCPUs
4 cores • x86_64
Memory
64GB
8.0 GB / vCPU
Value
$0.0660/ vCPU-hr
$0.0082/GB-hr
Network
Up to 15 Gbps
Baseline: 1.875 Gbps
Storage & EBS
1,250MB/s
Max: 40,000 IOPS

Technical Specifications & Limits

Hardware specs, container thresholds, and system limits

Compute & Processor

ProcessorIntel Xeon Scalable (Granite Rapids)
Architecturex86_64 (x86_64)
vCPUs / Threads8 vCPUs
Physical Cores4
Clock Speed3.9 GHz
Intel AVX / AVX2AVX & AVX2 Supported
Intel Turbo BoostYes
Bare MetalNo (Virtualized)

Performance & Benchmarks

CoreMark Score189,536
CoreMark / vCPU23,692 / core
FFmpeg Transcoding73 FPS
CoreMark per Dollar359,051 score / $
Cost per vCPU-hr$0.0660
Cost per GB-hr$0.0082

Containers & Kubernetes

EKS Max Pods118 pods
Max ECS Tasks20 tasks
Max ENIs4
IPv4/v6 per ENI30
Total Addressable IPs120 total IPs
CNI Prefix DelegationSupported (High Density)

Networking & Bandwidth

Network PerformanceUp to 15 Gbps
Baseline Bandwidth1.875 Gbps
Burst / Peak Bandwidth15 Gbps
Enhanced NetworkingYes
EFA SupportNo
IPv6 SupportNative Dual-Stack Supported

Storage & EBS Optimization

Storage ConfigurationEBS only
Local NVMe DiskNone (EBS only)
EBS Baseline Throughput156.25 MB/s
EBS Max Throughput1250 MB/s
EBS Baseline IOPS6,000
EBS Max / Burst IOPS40,000
Dedicated EBS ThroughputUp to 10000 Mbps

Platform & Architecture Details

Hypervisor / SystemAWS Nitro System (PCIe Offload)
Nitro EnclavesNot Supported
Normalization Factor16
Generation StatusCurrent Generation (Recommended)
Date Introduced2025-08-19

Regional Pricing Matrix

Live on-demand rates across all global AWS cloud regions
Lowest Price Region
$0.5279/ hr
US East (N. Virginia) (us-east-1)
Highest Price Region
$0.8421/ hr
South America (Sao Paulo) (sa-east-1)
Global Fleet Average
$0.6135/ hr
Across all active regions
Regional Coverage
27regions
Available worldwide
Linux — Available in all 27 regions
RegionOn-Demand Price
af-south-1
Africa (Cape Town)
$0.7038
ap-south-2
Asia Pacific (Hyderabad)
$0.5446
ap-southeast-5
Asia Pacific (Malaysia)
$0.5413
ap-south-1
Asia Pacific (Mumbai)
$0.5446
ap-southeast-6
Asia Pacific (New Zealand)
$0.6642
ap-northeast-2
Asia Pacific (Seoul)
$0.6368
ap-southeast-1
Asia Pacific (Singapore)
$0.6368
ap-southeast-2
Asia Pacific (Sydney)
$0.6326
ap-northeast-1
Asia Pacific (Tokyo)
$0.6368
us-gov-east-1
AWS GovCloud (US-East)
$0.6326
us-gov-west-1
AWS GovCloud (US-West)
$0.6326
ca-central-1
Canada (Central)
$0.5782
ca-west-1
Canada West (Calgary)
$0.5782
eu-central-1
EU (Frankfurt)
$0.6368
eu-west-1
EU (Ireland)
$0.5907
eu-west-2
EU (London)
$0.6200
eu-south-1
EU (Milan)
$0.6200
eu-west-3
EU (Paris)
$0.6200
eu-north-1
EU (Stockholm)
$0.5614
eu-south-2
Europe (Spain)
$0.5907
eu-central-2
Europe (Zurich)
$0.7005
me-central-1
Middle East (UAE)
$0.6498
sa-east-1
South America (Sao Paulo)
Highest
$0.8421
us-east-1
US East (N. Virginia)
Lowest
$0.5279
us-east-2
US East (Ohio)
Lowest
$0.5279
us-west-1
US West (N. California)
$0.5865
us-west-2
US West (Oregon)
Lowest
$0.5279