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AWS Amazon EC2

c8a.12xlarge

Part of the C8A Compute Optimized family — High-performance processors for compute-intensive applications.

Name:cCompute Optimizedc = Compute OptimizedOptimized for compute-bound applications that benefit from high-performance processors (web servers, batch processing, gaming servers, and video encoding).88th Generation8 = 8th GenerationAWS 8th generation hardware platform with updated CPU/system architecture.aAMD EPYCa = AMD EPYCAMD EPYC 9R45 Processor (x86_64). Powered by AMD EPYC x86_64 processors, delivering high core counts and cost-effective compute performance.12xlarge12 Extra Large12xlarge = 12 Extra Large48 vCPUs • 96 GB RAM • EBS only • 22.5 Gbps Network
On-demand, Linux
$2.5865/ hr
~$1,888.13/mo · lowest in US East (N. Virginia), us-east-1
Savings Plan, Linux
$1.24882/ hr
From, with a 3-year Compute Savings Plan, No Upfront: −52% vs on-demand rate (us-east-1)
Per unit
$0.0539/ vCPU-hr
$0.0269/GB-hr
Compute
48vCPUs
48 cores • x86_64
Memory
96GB
2.0 GB / vCPU
Network
22.5 Gbps
Baseline: 22.5 Gbps
Storage & EBS
1,875MB/s
Max: 60,000 IOPS

On Google Cloud

The nearest Google Cloud machines to c8a.12xlarge by vCPU and memory, at On-demand Linux rates in Northern Virginia (us-east-1 ↔ us-east4).

MachineSizeOn-demand Linuxvs c8a.12xlarge
c8a.12xlargeThis page · AWS, us-east-148 vCPU · 96 GiB$2.58648/hr—
n4d-highcpu-48same 48 vCPU and 96 GiB; AMD on both; 48 physical cores vs 2448 vCPU · 96 GiB$1.71504/hr34% less
n4-highcpu-48same 48 vCPU and 96 GiB; AMD vs Intel; 48 physical cores vs 2448 vCPU · 96 GiB$1.83696/hr29% less
c4-highcpu-48same 48 vCPU and 96 GiB; AMD vs Intel; 48 physical cores vs 2448 vCPU · 96 GiB$2.041248/hr21% 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

ProcessorAMD EPYC 9R45 Processor
Architecturex86_64 (x86_64)
vCPUs / Threads48 vCPUs
Physical Cores48
Clock SpeedUp to 4.5 GHz
Intel AVX / AVX2No
Intel Turbo BoostNo
Bare MetalNo (Virtualized)

Performance & Benchmarks

CoreMark Score2,043,133
CoreMark / vCPU42,565.3 / core
FFmpeg Transcoding388 FPS
CoreMark per Dollar789,928 score / $
Cost per vCPU-hr$0.0539
Cost per GB-hr$0.0269

Containers & Kubernetes

EKS Max Pods758 pods
Max ENIs12
IPv4/v6 per ENI64
Total Addressable IPs768 total IPs
CNI Prefix DelegationSupported (High Density)

Networking & Bandwidth

Network Performance22.5 Gbps
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)

Rates by region

Live on-demand rates across all global AWS cloud regions
Lowest Price Region
$2.5865/ hr
US East (N. Virginia) (us-east-1)
Highest Price Region
$3.2558/ hr
Asia Pacific (Tokyo) (ap-northeast-1)
Global Fleet Average
$2.7881/ hr
Across all active regions
Regional Coverage
7regions
Available worldwide
Linux — Available in all 7 regions
RegionOn-Demand Price
ap-northeast-1
Asia Pacific (Tokyo)
Highest
$3.2558
eu-central-1
EU (Frankfurt)
$2.9518
eu-west-1
EU (Ireland)
$2.7751
eu-south-2
Europe (Spain)
$2.7746
us-east-1
US East (N. Virginia)
Lowest
$2.5865
us-east-2
US East (Ohio)
Lowest
$2.5865
us-west-2
US West (Oregon)
Lowest
$2.5865