Compute optimized Amazon EC2 instance types

Amazon EC2 C8g instances are powered by AWS Graviton4 processors. They deliver the best price performance in Amazon EC2 for compute-intensive workloads.

Features:

• Powered by custom-built AWS Graviton4 processors
• Larger instance sizes with up to 3x more vCPUs and memory than C7g instances
  
• Features the latest DDR5-5600 memory
• Optimized for Amazon EBS by default
• Instance storage offered via EBS or NVMe SSDs that are physically attached to the host server
• With C8gd instances, local NVMe-based SSDs are physically connected to the host server and provide block-level storage that is coupled to the lifetime of the instance
• Supports Elastic Fabric Adapter (EFA) on c8g.24xlarge, c8g.48xlarge, c8g.metal-24xl, c8g.metal-48xl, c8gd.24xlarge, c8gd.48xlarge, c8gd.metal-24xl, and c8gd.metal-48xl
• Powered by the AWS Nitro System, a combination of dedicated hardware and lightweight hypervisor
  

All instances have the following specs:

• Custom-built AWS Graviton4 processor
• Optimized for Amazon EBS
• Enhanced networking†

Use cases

High performance computing (HPC), batch processing, ad serving, video encoding, gaming, scientific modeling, distributed analytics, and CPU-based ML inference.

Amazon EC2 C8gn instances are powered by AWS Graviton4 processors. They feature 6th generation AWS Nitro cards, allowing up to 600 Gbps network bandwidth, the highest among network optimized EC2 instances.

Features:

• Powered by custom-built AWS Graviton4 processors
• Larger instance sizes with up to 3x more vCPUs and memory than C7gn instances
• Features the latest DDR5-5600 memory
• Up to 600 Gbps of networking bandwidth
• Up to 60 Gbps of bandwidth to Amazon Elastic Block Store (EBS)
• Optimized for Amazon EBS by default
• Supports Elastic Fabric Adapter (EFA) on c8gn.16xlarge, c8gn.24xlarge, c8gn.48xlarge, c8gn.metal-24xl, and c8gn.metal-48xl.
• Powered by the AWS Nitro System, a combination of dedicated hardware and lightweight hypervisor
 

Amazon EC2 C7g instances are powered by Arm-based AWS Graviton3 processors. They are ideal for compute-intensive workloads.

Features:

• Powered by custom-built AWS Graviton3 processors
  
• Featuring the latest DDR5 memory that offers 50% more bandwidth compared to DDR4
  
• 20% higher enhanced networking bandwidth compared to C6g instances
  
• EBS-optimized by default
• Instance storage offered via EBS or NVMe SSDs that are physically attached to the host server
• With C7gd instances, local NVMe-based SSDs are physically connected to the host server and provide block-level storage that is coupled to the lifetime of the instance
• Supports Elastic Fabric Adapter on c7g.16xlarge, c7g.metal, c7gd.16xlarge, and c7gd.metal instances
  
• Powered by the AWS Nitro System, a combination of dedicated hardware and lightweight hypervisor
  

All instances have the following specs:

• Custom-built AWS Graviton3 Processor with 64-bit Arm cores
• EBS optimized
• Enhanced networking

Use Cases

High performance computing (HPC), batch processing, ad serving, video encoding, gaming, scientific modelling, distributed analytics, and CPU-based machine learning inference.

Amazon EC2 C7gn instances are powered by Arm-based AWS Graviton3E processors. They offer up to 200 Gbps of network bandwidth and up to 3x higher packet-processing performance per vCPU compared with comparable current generation x86-based network optimized instances.

Features:

• Powered by custom-built AWS Graviton3E processors
  
• Featuring the latest Double Data Rate 5 (DDR5) memory that offers 50% more bandwidth compared to DDR4
• Up to 200 Gbps of networking bandwidth
  
• Up to 40 Gbps of bandwidth to Amazon Elastic Block Store (EBS)
• 2x higher enhanced network bandwidth compared to C6gn instances
• EBS-optimized, by default
• Supports Elastic Fabric Adapter (EFA) on c7gn.16xlarge and c7gn.metal instances
• Powered by the AWS Nitro System, a combination of dedicated hardware and lightweight hypervisor

All instances have the following specs:

• Custom-built AWS Graviton3 Processor with 64-bit Arm cores
• EBS optimized
• Enhanced networking

Use Cases
Network-intensive workloads, such as network virtual appliances, data analytics, and CPU-based artificial intelligence and machine learning (AI/ML) inference

Amazon EC2 C7i instances are powered by 4th Generation Intel Xeon Scalable processors and deliver 15% better price performance than C6i instances.

Features:

• Up to 3.2 GHz 4th Generation Intel Xeon Scalable processor (Sapphire Rapids 8488C)
• New Advance Matrix Extensions (AMX) accelerate matrix multiplication operations
• 2 metal sizes: c7i.metal-24xl and c7i.metal-48xl
• Discrete built-in accelerators (available on C7i bare metal sizes only)—Data Streaming Accelerator (DSA), In-Memory Analytics Accelerator (IAA), and QuickAssist Technology (QAT)—enable efficient offload and acceleration of data operations that help optimize performance for databases, encryption and compression, and queue management workloads
• Latest DDR5 memory, which offers more bandwidth compared to DDR4
• Support for always-on memory encryption using Intel Total Memory Encryption (TME)
  
• Support for up to 128 EBS volume attachments per instance
  
• Up to 192 vCPUs and 384 GiB memory
• Supports Elastic Fabric Adapter on the 48xlarge size and metal-48xl size
  
• Powered by the AWS Nitro System, a combination of dedicated hardware and lightweight hypervisor

All instances have the following specs:

• Up to 3.2 GHz 4th generation Intel Xeon Scalable processors
• EBS Optimized
• Enhanced Networking†
  

Use Cases

C7i instances are ideal for compute-intensive workloads such as batch processing, distributed analytics, high-performance computing (HPC), ad serving, highly scalable multiplayer gaming, and video encoding.

Amazon EC2 C7i-flex instances are powered by 4th Generation Intel Xeon Scalable processors and deliver 19% better price performance than C6i instances.

Features:

• Easiest way for you to achieve price performance and cost benefits in the cloud for a majority of your compute-intensive workloads
• Up to 3.2 GHz 4th Generation Intel Xeon Scalable processor (Sapphire Rapids 8488C)
• New Advance Matrix Extensions (AMX) accelerate matrix multiplication operations
• Latest DDR5 memory, which offers more bandwidth compared to DDR4
• EBS-optimized by default
• Powered by the AWS Nitro System, a combination of dedicated hardware and lightweight hypervisor

Use Cases

C7i-flex instances are a great first choice to seamlessly run a majority of compute-intensive workloads, including web and application servers, databases, caches, Apache Kafka, and Elasticsearch.

Amazon EC2 C7a instances, powered by 4th generation AMD EPYC processors, deliver up to 50% higher performance compared to C6a instances.

Features:

• Up to 3.7 GHz 4th generation AMD EPYC processors (AMD EPYC 9R14)
• Up to 50 Gbps of networking bandwidth
• Up to 40 Gbps of bandwidth to the Amazon Elastic Block Store (Amazon EBS)
  
• Instance sizes with up to 192 vCPUs and 384 GiB of memory
  
• Built on the AWS Nitro System, a combination of dedicated hardware and lightweight hypervisor
  
• Support for always-on memory encryption using AMD secure memory encryption (SME)
  
• Support for new processor capabilities such as AVX-512, VNNI, and bfloat16

Use cases

Compute-intensive workloads such as batch processing, distributed analytics, high-performance computing (HPC), ad serving, highly scalable multiplayer gaming, and video encoding.
 

Amazon EC2 C6g instances are powered by Arm-based AWS Graviton2 processors. They deliver up to 40% better price performance over current generation C5 instances for compute-intensive applications.

Features:

• Custom built AWS Graviton2 Processor with 64-bit Arm Neoverse cores
• Support for Enhanced Networking with Up to 25 Gbps of Network bandwidth
• EBS-optimized by default
• Powered by the AWS Nitro System, a combination of dedicated hardware and lightweight hypervisor
• With C6gd instances, local NVMe-based SSDs are physically connected to the host server and provide block-level storage that is coupled to the lifetime of the instance

All instances have the following specs:

• Custom built AWS Graviton2 Processor with 64-bit Arm cores
• EBS Optimized
• Enhanced Networking

Use Cases

High performance computing (HPC), batch processing, ad serving, video encoding, gaming, scientific modelling, distributed analytics, and CPU-based machine learning inference.

Amazon EC2 C6gn instances are powered by Arm-based AWS Graviton2 processors. They deliver up to 40% better price performance over current generation C5n instances and provide up to 100 Gbps networking and support for Elastic Fabric Adapter (EFA) for applications that need higher networking throughput, such as high performance computing (HPC), network appliance, real-time video communication, and data analytics.

Features:

• Custom built AWS Graviton2 Processor with 64-bit Arm Neoverse cores
• Support for Enhanced Networking with Up to 100 Gbps of Network bandwidth
• EFA support on c6gn.16xlarge instances
• EBS-optimized by default, 2x EBS bandwidth compared to C5n instances
• Powered by the AWS Nitro System, a combination of dedicated hardware and lightweight hypervisor

All instances have the following specs:

• Custom built AWS Graviton2 Processor with 64-bit Arm cores
• EBS Optimized
• Enhanced Networking

Use Cases

High performance web servers, scientific modelling, batch processing, distributed analytics, high-performance computing (HPC), network appliance, machine/deep learning inference, ad serving, highly scalable multiplayer gaming, and video encoding.

Amazon EC2 C6i instances are powered by 3rd generation Intel Xeon Scalable processors and are an ideal fit for compute-intensive workloads.

Features:

• Up to 3.5 GHz 3rd generation Intel Xeon Scalable processors (Ice Lake 8375C)
• Up to 15% better compute price performance over C5 instances
• Up to 9% higher memory bandwidth per vCPU compared to C5 instances
• Up to 50 Gbps of networking speed
• Up to 40 Gbps of bandwidth to the Amazon Elastic Block Store
• A new instance size (32xlarge) with 128 vCPUs and 256 GiB of memory
• Supports Elastic Fabric Adapter on the 32xlarge and metal sizes
• Powered by the AWS Nitro System, a combination of dedicated hardware and lightweight hypervisor
• Support for always-on memory encryption using Intel Total Memory Encryption (TME)
• Support for new Intel Advanced Vector Extensions (AVX 512) instructions for faster execution of cryptographic algorithms
• With C6id instances, up to 7.6 TB of local NVMe-based SSDs are physically connected to the host server and provide block-level storage that is coupled to the lifetime of the C6i instance
  

All instances have the following specs:

• Up to 3.5 GHz 3rd generation Intel Xeon Scalable processors
• EBS Optimized
• Enhanced Networking†
  

Use Cases

Compute-intensive workloads such as batch processing, distributed analytics, high-performance computing (HPC), ad serving, highly scalable multiplayer gaming, and video encoding.

Amazon EC2 C6in instances are ideal for network-intensive workloads such as network virtual appliances, data analytics, high performance computing (HPC), and CPU-based AI/ML. They are powered by 3rd Generation Intel Xeon Scalable processors (Ice Lake) with an all-core turbo frequency of 3.5 GHz. C6in instances offer up to 200 Gbps of network bandwidth and up to 100 Gbps Amazon Elastic Block Store (EBS) bandwidth. The C6in.32xlarge and C6in.metal instances support Elastic Fabric Adapter (EFA). EFA is a network interface for Amazon EC2 instances that you can use to run applications that require high levels of internode communications, such as HPC applications using Message Passing Interface (MPI) libraries, at scale on AWS.

Features:

• Up to 3.5 GHz 3rd Generation Intel Xeon Scalable processors (Ice Lake 8375C)
• Support for Enhanced Networking with up to 200 Gbps of network bandwidth, up to 2x compared to C5n instances
• Up to 100 Gbps of EBS bandwidth, up to 5.2x compared to C5n instances
• EFA support on the 32xlarge and metal sizes
• Support for always-on memory encryption using Intel Total Memory Encryption (TME)
• Support for new Intel Advanced Vector Extensions (AVX-512) instructions for faster processing of cryptographic algorithm
• Powered by the AWS Nitro System, a combination of dedicated hardware and lightweight hypervisor
  

****For 32xlarge and metal sizes, at least 2 elastic network interfaces, with each attached to a different network card, are required on the instance to achieve 200 Gbps throughput. Each network interface attached to a network card can achieve a maximum of 170 Gbps. For more information, see Network cards

All instances have the following specs:

• Up to 3.5 GHz 3rd Generation Intel Xeon Scalable processors
• EBS Optimized
• Enhanced Networking†

Use Cases

Compute-intensive workloads that require high network bandwidth or high packet-processing performance such as distributed computing applications, network virtual appliances, data analytics, high performance computing (HPC), and CPU-based AI/ML.

Amazon C6a instances are powered by 3rd generation AMD EPYC processors and are designed for compute-intensive workloads.

Features:

• Up to 3.6 GHz 3rd generation AMD EPYC processors (AMD EPYC 7R13)
  
• Up to 15% better compute price performance over C5a instances
  
• Up to 50 Gbps of networking speed
  
• Up to 40 Gbps of bandwidth to the Amazon Elastic Block Store
  
• Up to 192 vCPUs and 384 GiB of memory in the largest size
  
• SAP-Certified instances
  
• Supports Elastic Fabric Adapter on the 48xlarge size
  
• Built on the AWS Nitro System, a combination of dedicated hardware and lightweight hypervisor
  
• Support for always-on memory encryption using AMD Transparent Single Key Memory Encryption (TSME)
  
• Support for new AMD Advanced Vector Extensions (AVX-2) instructions for faster execution of cryptographic algorithms
  

All instances have the following specs:

• Up to 3.6 GHz 3rd generation AMD EPYC processors
  
• EBS Optimized
• Enhanced Networking†
  

Use Cases

Compute-intensive workloads such as batch processing, distributed analytics, high-performance computing (HPC), ad serving, highly scalable multiplayer gaming, and video encoding.

Amazon EC2 C5 instances are optimized for compute-intensive workloads and deliver cost-effective high performance at a low price per compute ratio.

Features:

• C5 instances offer a choice of processors based on the size of the instance.
• C5 and C5d 12xlarge, 24xlarge, and metal instance sizes feature custom 2nd generation Intel Xeon Scalable Processors (Cascade Lake 8275CL) with a sustained all core Turbo frequency of 3.6GHz and single core turbo frequency of up to 3.9GHz. 
• Other C5 instance sizes will launch on the 2nd generation Intel Xeon Scalable Processors (Cascade Lake 8223CL) or 1st generation Intel Xeon Platinum 8000 series (Skylake 8124M) processor with a sustained all core Turbo frequency of up to 3.4GHz, and single core turbo frequency of up to 3.5 GHz.
• New larger 24xlarge instance size offering 96 vCPUs, 192 GiB of memory, and optional 3.6TB local NVMe-based SSDs
• Requires HVM AMIs that include drivers for ENA and NVMe
• With C5d instances, local NVMe-based SSDs are physically connected to the host server and provide block-level storage that is coupled to the lifetime of the C5 instance
• Elastic Network Adapter (ENA) provides C5 instances with up to 25 Gbps of network bandwidth and up to 19 Gbps of dedicated bandwidth to Amazon EBS.
• Powered by the AWS Nitro System, a combination of dedicated hardware and lightweight hypervisor

C5 and C5d 12xlarge, 24xlarge, and metal instances have the following specs:

• Custom 2nd generation Intel Xeon Scalable Processors (Cascade Lake) with a sustained all core Turbo frequency of 3.6GHz and single core turbo frequency of up to 3.9GHz.
• Intel AVX†, Intel AVX2†, Intel AVX-512, Intel Turbo, Intel DL Boost
• EBS Optimized
• Enhanced Networking†

All other C5 and C5d instances have the following specs:

• Custom 2nd generation Intel Xeon Scalable Processors (Cascade Lake) with a sustained all core Turbo frequency of 3.6GHz and single core turbo frequency of up to 3.9GHz or 1st generation Intel Xeon Platinum 8000 series (Skylake-SP) processor with a sustained all core Turbo frequency of up to 3.4GHz, and single core turbo frequency of up to 3.5 GHz.
• Intel AVX†, Intel AVX2†, Intel AVX-512, Intel Turbo
• EBS Optimized
• Enhanced Networking†

Use Cases

High performance web servers, scientific modelling, batch processing, distributed analytics, high-performance computing (HPC), machine/deep learning inference, ad serving, highly scalable multiplayer gaming, and video encoding.

Amazon EC2 C5n instances are ideal for high compute applications (including High Performance Computing (HPC) workloads, data lakes, and network appliances such as firewalls and routers) that can take advantage of improved network throughput and packet rate performance. C5n instances offers up to 100 Gbps network bandwidth and increased memory over comparable C5 instances. C5n.18xlarge instances support Elastic Fabric Adapter (EFA), a network interface for Amazon EC2 instances that enables customers to run applications requiring high levels of inter-node communications, like High Performance Computing (HPC) applications using the Message Passing Interface (MPI), at scale on AWS.

Features:

• 3.0 GHz Intel Xeon Platinum processors (Skylake 8124) with Intel Advanced Vector Extension 512 (AVX-512) instruction set
• Sustained all core Turbo frequency of up to 3.4GHz, and single core turbo frequency of up to 3.5 GHz
  
• Larger instance size, c5n.18xlarge, offering 72 vCPUs and 192 GiB of memory
• Requires HVM AMIs that include drivers for ENA and NVMe
• Network bandwidth increases to up to 100 Gbps, delivering increased performance for network intensive applications.
• EFA support on c5n.18xlarge instances
  
• 33% higher memory footprint compared to C5 instances
• Powered by the AWS Nitro System, a combination of dedicated hardware and lightweight hypervisor

All instances have the following specs:

• 3.0 GHz Intel Xeon Platinum Processor
• Intel AVX†, Intel AVX2†, Intel AVX-512, Intel Turbo
• EBS Optimized
• Enhanced Networking†

Use Cases

High performance web servers, scientific modelling, batch processing, distributed analytics, high-performance computing (HPC), machine/deep learning inference, ad serving, highly scalable multiplayer gaming, and video encoding.

Amazon EC2 C5a instances offer leading x86 price-performance for a broad set of compute-intensive workloads.

Features:

• 2nd generation AMD EPYC 7002 series processors (AMD EPYC 7R32) running at frequencies up to 3.3 GHz
• Elastic Network Adapter (ENA) provides C5a instances with up to 20 Gbps of network bandwidth and up to 9.5 Gbps of dedicated bandwidth to Amazon EBS
  
• Powered by the AWS Nitro System, a combination of dedicated hardware and lightweight hypervisor
• With C5ad instances, local NVMe-based SSDs are physically connected to the host server and provide block-level storage that is coupled to the lifetime of the C5a instance
  

All instances have the following specs:

• Up to 3.3 GHz 2nd generation AMD EPYC Processor
• EBS Optimized
• Enhanced Networking†

Use Cases

C5a instances are ideal for workloads requiring high vCPU and memory bandwidth such as batch processing, distributed analytics, data transformations, gaming, log analysis, web applications, and other compute-intensive workloads.

C4 instances are optimized for compute-intensive workloads and deliver very cost-effective high performance at a low price per compute ratio.

Features:

• Up to 2.9 GHz Intel Xeon Scalable Processor (Haswell E5-2666 v3)
  
• High frequency Intel Xeon E5-2666 v3 (Haswell) processors optimized specifically for EC2
• Default EBS-optimized for increased storage performance at no additional cost
• Higher networking performance with Enhanced Networking supporting Intel 82599 VF
• Requires Amazon VPC, Amazon EBS and 64-bit HVM AMIs

All instances have the following specs:

• Up to 2.9 GHz Intel Xeon Scalable Processor
• Intel AVX†, Intel AVX2†, Intel Turbo
• EBS Optimized
• Enhanced Networking†

Use Cases

High performance front-end fleets, web-servers, batch processing, distributed analytics, high performance science and engineering applications, ad serving, MMO gaming, and video-encoding.