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x8i.12xlarge

Part of the X8I Memory Optimized family — High memory-to-vCPU ratio for memory-intensive applications.

Name:xExtreme Memory Optimizedx = Extreme Memory OptimizedUltra-high memory capacity instances designed for massive in-memory databases (SAP HANA), big data processing, and large caches.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.12xlarge12 Extra Large12xlarge = 12 Extra Large48 vCPUs • 768.0 GiB RAM • EBS only • 22500 Megabit Network
Price (Linux)
$5.2519/ hr
~$3,833.90/mo
Compute
48vCPUs
24 cores • x86_64
Memory
768.0GiB
16.0 GiB / vCPU
Value
$0.1094/ vCPU-hr
$0.0068/GiB-hr
Network
22.5Gbps
Baseline: 22.5 Gbps
Storage & EBS
1,875MB/s
Max: 60,000 IOPS

Technical Specifications & Limits

Hardware specs, container thresholds, and system limits

Compute & 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 Score1,197,605
CoreMark / vCPU24,950.1 / core
FFmpeg Transcoding261 FPS
CoreMark per Dollar228,032 score / $
Cost per vCPU-hr$0.1094
Cost per GiB-hr$0.0068

Containers & Kubernetes

EKS Max Pods590 pods
Max ECS Tasks120 tasks
Max ENIs12
IPv4/v6 per ENI50
Total Addressable IPs600 total IPs
CNI Prefix DelegationSupported (High Density)

Networking & Bandwidth

Network Performance22500 Megabit
Baseline Bandwidth22.5 Gbps
Burst / Peak Bandwidth22.5 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)
Date Introduced2026-01-15

Regional Pricing Matrix

Live on-demand rates across all global AWS cloud regions
Lowest Price Region
$5.2519/ hr
US East (N. Virginia) (us-east-1)
Highest Price Region
$7.6154/ hr
Asia Pacific (Tokyo) (ap-northeast-1)
Global Fleet Average
$6.4983/ hr
Across all active regions
Regional Coverage
16regions
Available worldwide
Linux — Available in all 16 regions
Region NameRegion CodeOn-Demand Price
Asia Pacific (Malaysia)
ap-southeast-5$6.8539
Asia Pacific (Mumbai)
ap-south-1$5.4187
Asia Pacific (Seoul)Highest
ap-northeast-2$7.6154
Asia Pacific (Singapore)Highest
ap-southeast-1$7.6154
Asia Pacific (Sydney)Highest
ap-southeast-2$7.6154
Asia Pacific (Tokyo)Highest
ap-northeast-1$7.6154
AWS GovCloud (US-West)
us-gov-west-1$6.3024
EU (Frankfurt)
eu-central-1$7.3529
EU (Ireland)
eu-west-1$6.3024
EU (Milan)
eu-south-1$6.6154
EU (Paris)
eu-west-3$6.6173
EU (Stockholm)
eu-north-1$5.9894
Europe (Spain)
eu-south-2$6.3024
US East (N. Virginia)Lowest
us-east-1$5.2519
US East (Ohio)Lowest
us-east-2$5.2519
US West (Oregon)Lowest
us-west-2$5.2519