Performance characteristics of EC2 instance types

The performance characteristics of EC2 instance types can be summarized as follows:

General Purpose Instances:

  • Provide a balance of compute, memory, and networking resources.
  • Suitable for applications that require these resources in equal proportions, such as web servers and code repositories.
  • Examples include the T, M, and A instance families.

Burstable Performance Instances:

  • Also known as the T instance family.
  • Provide a baseline CPU performance with the ability to burst above the baseline when needed.
  • Suitable for workloads that don't require sustained high CPU performance.

Compute Optimized Instances:

  • Designed for compute-intensive applications that benefit from high-performance processors.
  • Ideal for batch processing, media transcoding, high-performance web servers, high-performance computing (HPC), and machine learning inference.
  • Examples include the C and Hpc instance families.

Memory Optimized Instances:

  • Designed to deliver fast performance for workloads that process large data sets in memory.
  • Suitable for in-memory databases, real-time big data analytics, and other memory-intensive applications.
  • Examples include the R, X, and U instance families.

Storage Optimized Instances:

  • Include persistent storage to write and retrieve information from databases at high speed.
  • Suitable for applications that require high, sustained I/O performance, such as databases and data warehouses.
  • Examples include the I, D, and Im instance families.

Accelerated Computing Instances:

  • Provide hardware accelerators, such as GPUs, to support graphics-intensive or analytical workloads.
  • Ideal for machine learning, scientific computing, and 3D application rendering.
  • Examples include the P and G instance families.

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