r5b.12xlarge
Part of the R5B 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.55th Generation5 = 5th GenerationAWS 5th generation hardware platform with updated CPU/system architecture.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 GB RAM • EBS only • 10 Gbps NetworkPrice (Linux)
$3.5760/ hr
~$2,610.48/mo
Compute
48vCPUs
24 cores • x86_64
Memory
384GB
8.0 GB / vCPU
Value
$0.0745/ vCPU-hr
$0.0093/GB-hr
Network
10 Gbps
Baseline: 12 Gbps
Storage & EBS
3,750MB/s
Max: 130,000 IOPS
Technical Specifications & Limits
Hardware specs, container thresholds, and system limitsCompute & Processor
ProcessorIntel Xeon Platinum 8259 (Cascade Lake)
Architecturex86_64 (x86_64)
vCPUs / Threads48 vCPUs
Physical Cores24
Clock Speed3.1 GHz
Intel AVX / AVX2AVX & AVX2 Supported
Intel Turbo BoostYes
Bare MetalNo (Virtualized)
Performance & Benchmarks
CoreMark Score703,744
CoreMark / vCPU14,661.3 / core
FFmpeg Transcoding—
CoreMark per Dollar196,796 score / $
Cost per vCPU-hr$0.0745
Cost per GB-hr$0.0093
Containers & Kubernetes
EKS Max Pods234 pods
Max ECS Tasks60 tasks
Max ENIs8
IPv4/v6 per ENI30
Total Addressable IPs240 total IPs
CNI Prefix DelegationSupported (High Density)
Networking & Bandwidth
Network Performance10 Gbps
Baseline Bandwidth12 Gbps
Burst / Peak Bandwidth12 Gbps
Enhanced NetworkingYes
EFA SupportNo
IPv6 SupportNative Dual-Stack Supported
Storage & EBS Optimization
Storage ConfigurationEBS only
Local NVMe DiskNone (EBS only)
EBS Baseline Throughput3750 MB/s
EBS Max Throughput3750 MB/s
EBS Baseline IOPS130,000
EBS Max / Burst IOPS130,000
Dedicated EBS Throughput30 Gbps
Platform & Architecture Details
Hypervisor / SystemAWS Nitro System (PCIe Offload)
Nitro EnclavesSupported (Isolated security enclaves)
Normalization Factor96
Generation StatusCurrent Generation (Recommended)
Date Introduced2020-12-01
Regional Pricing Matrix
Live on-demand rates across all global AWS cloud regionsLowest Price Region
$3.5760/ hr
US East (N. Virginia) (us-east-1)Highest Price Region
$5.6880/ hr
South America (Sao Paulo) (sa-east-1)Global Fleet Average
$4.1450/ hr
Across all active regionsRegional Coverage
14regions
Available worldwide| Region | On-Demand Price |
|---|---|
ap-northeast-2 Asia Pacific (Seoul) | $4.2720 |
ap-southeast-1 Asia Pacific (Singapore) | $4.2720 |
ap-southeast-2 Asia Pacific (Sydney) | $4.3440 |
ap-northeast-1 Asia Pacific (Tokyo) | $4.3440 |
ca-central-1 Canada (Central) | $3.9120 |
eu-central-1 EU (Frankfurt) | $4.2720 |
eu-west-1 EU (Ireland) | $4.0080 |
eu-west-2 EU (London) | $4.2000 |
eu-south-1 EU (Milan) | $4.2000 |
eu-north-1 EU (Stockholm) | $3.7906 |
sa-east-1 HighestSouth America (Sao Paulo) | $5.6880 |
us-east-1 LowestUS East (N. Virginia) | $3.5760 |
us-east-2 LowestUS East (Ohio) | $3.5760 |
us-west-2 LowestUS West (Oregon) | $3.5760 |
| Region | On-Demand Price |
|---|---|
ap-northeast-2 Asia Pacific (Seoul) | $6.4800 |
ap-southeast-1 Asia Pacific (Singapore) | $6.4800 |
ap-southeast-2 Asia Pacific (Sydney) | $6.5520 |
ap-northeast-1 Asia Pacific (Tokyo) | $6.5520 |
ca-central-1 Canada (Central) | $6.1200 |
eu-central-1 EU (Frankfurt) | $6.4800 |
eu-west-1 EU (Ireland) | $6.2160 |
eu-west-2 EU (London) | $6.4080 |
eu-south-1 EU (Milan) | $6.4080 |
eu-north-1 EU (Stockholm) | $5.9986 |
sa-east-1 HighestSouth America (Sao Paulo) | $7.8960 |
us-east-1 LowestUS East (N. Virginia) | $5.7840 |
us-east-2 LowestUS East (Ohio) | $5.7840 |
us-west-2 LowestUS West (Oregon) | $5.7840 |
No regions matched your search filter.